{"title":"Mercury Marine SmartCraft Outboard Analog Gauge Interface Kits \u0026 Harnesses","description":"\u003ch2\u003eMercury Marine SmartCraft Outboard Analog Gauge Interface Kits \u0026amp; Harnesses\u003c\/h2\u003e\n\u003cp\u003eMercury Marine \u003cstrong\u003eSmartCraft Outboard Analog Gauge Interface Kits \u0026amp; Harnesses\u003c\/strong\u003e help bridge the gap between modern engine data and the analog gauges many boaters still prefer at the helm. These OEM components support clean, dependable rigging connections so your gauges and engine systems communicate properly. Just as important, Mercury’s strong warranty coverage on many engines also extends to the controls and key SmartCraft rigging components installed on your boat.\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy Rigging Matters\u003c\/h3\u003e\n\u003cp\u003eInstalling an outboard—often called \u003cstrong\u003erigging\u003c\/strong\u003e—involves much more than bolting the engine to the transom. A proper rigging job includes connecting and routing the systems that make the boat run safely and comfortably, such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSteering systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eThrottle and shift controls\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEngine control and monitoring systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNavigation and communication equipment\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHelm gauges and indicators\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen rigging is done right, you get smoother operation, fewer electrical headaches, and more confidence in the information you see at the dash.\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat These Interface Kits and Harnesses Do\u003c\/h3\u003e\n\u003cp\u003eSmartCraft analog gauge interface kits and harnesses are designed to support reliable signal routing and system compatibility for SmartCraft-equipped outboards. Depending on your setup, these components can help you:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect analog gauges\u003c\/strong\u003e to SmartCraft-capable engine data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete a clean helm install\u003c\/strong\u003e with correct-length harnessing and proper connectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce wiring issues\u003c\/strong\u003e by using OEM-fit components built for the marine environment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgrade or replace\u003c\/strong\u003e worn rigging parts as part of your maintenance plan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eMake Rigging Part of Your Maintenance Plan\u003c\/h3\u003e\n\u003cp\u003eOutboard rigging lives in a harsh environment—heat, vibration, moisture, and salt air all take a toll over time. Inspecting harnesses and connections is an essential part of routine maintenance, especially if you notice intermittent gauge readings, corrosion at connectors, or changes in electrical performance. Replacing worn harnesses with OEM Mercury components helps keep your system reliable and your dash data accurate.\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eShop OEM SmartCraft Rigging Components at PartsVu\u003c\/h3\u003e\n\u003cp\u003eFind OEM \u003cstrong\u003eMercury Marine SmartCraft Outboard Analog Gauge Interface Kits \u0026amp; Harnesses\u003c\/strong\u003e at PartsVu for installs, upgrades, and repairs. Our team can help you choose the right interface and harness components for your helm layout, engine configuration, and SmartCraft system so you can rig it once and run it with confidence.\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003cp\u003eWhy choose PartsVu? At PartsVu, we are boaters serving boaters, providing genuine Honda marine engine parts that make maintenance, repair, and upgrades straightforward. Our expert customer service, extensive OEM catalog, and resources remove the guesswork, ensuring you get the exact part you need quickly and reliably. We offer complete OEM parts for Honda engines, emphasizing ease of ordering, fast shipping, and knowledgeable support so you can focus on enjoying your time on the water.\u003c\/p\u003e","products":[{"product_id":"mercury-harness-adaptor-84-892323t01","title":"Mercury – Dual Engine Instrument Adapter | Shared Gauge Power Link | 84-892323T01","description":"\u003cp data-start=\"0\" data-end=\"85\"\u003e\u003cstrong data-start=\"0\" data-end=\"85\"\u003eMercury – Dual Engine Instrument Adapter | Shared Gauge Power Link | 84-892323T01\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"87\" data-end=\"90\"\u003e\n\u003cp data-start=\"92\" data-end=\"104\"\u003e\u003cstrong data-start=\"92\" data-end=\"104\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"106\" data-end=\"535\"\u003eRunning dual engines can complicate gauge power unless everything is tied together cleanly. The Mercury 84-892323T01 Dual Engine Instrument Adapter makes that simple by letting your SmartCraft gauges draw power from either key switch. It keeps the helm layout straightforward and removes the need for extra wiring tricks or isolated power feeds. Once installed, the gauges wake up reliably no matter which engine you start first.\u003c\/p\u003e\n\u003chr data-start=\"537\" data-end=\"540\"\u003e\n\u003cp data-start=\"542\" data-end=\"558\"\u003e\u003cstrong data-start=\"542\" data-end=\"558\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"562\" data-end=\"654\"\u003e\n\u003cstrong data-start=\"562\" data-end=\"587\"\u003eDual-Key Power Link –\u003c\/strong\u003e Lets SmartCraft gauges power up from either engine’s key switch.\u003c\/li\u003e\n\u003cli data-start=\"657\" data-end=\"747\"\u003e\n\u003cstrong data-start=\"657\" data-end=\"686\"\u003eSmartCraft Engine Ready –\u003c\/strong\u003e Works across all SmartCraft-compatible dual engine setups.\u003c\/li\u003e\n\u003cli data-start=\"750\" data-end=\"847\"\u003e\n\u003cstrong data-start=\"750\" data-end=\"778\"\u003eSimplified Helm Wiring –\u003c\/strong\u003e Eliminates the need for separate gauge power feeds on each engine.\u003c\/li\u003e\n\u003cli data-start=\"850\" data-end=\"947\"\u003e\n\u003cstrong data-start=\"850\" data-end=\"883\"\u003eConsistent Gauge Activation –\u003c\/strong\u003e Ensures gauges turn on smoothly regardless of start sequence.\u003c\/li\u003e\n\u003cli data-start=\"950\" data-end=\"1040\"\u003e\n\u003cstrong data-start=\"950\" data-end=\"973\"\u003eOEM Connector Set –\u003c\/strong\u003e Uses factory SmartCraft ends for a secure, plug-in installation.\u003c\/li\u003e\n\u003cli data-start=\"1043\" data-end=\"1132\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1069\"\u003eDurable Marine Build –\u003c\/strong\u003e Withstands vibration and long-term exposure behind the helm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1134\" data-end=\"1137\"\u003e\n\u003cp data-start=\"1139\" data-end=\"1156\"\u003e\u003cstrong data-start=\"1139\" data-end=\"1156\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1160\" data-end=\"1194\"\u003eDual-engine SmartCraft outboards\u003c\/li\u003e\n\u003cli data-start=\"1197\" data-end=\"1233\"\u003eDual-engine SmartCraft sterndrives\u003c\/li\u003e\n\u003cli data-start=\"1236\" data-end=\"1268\"\u003eSmartCraft instrument networks\u003c\/li\u003e\n\u003cli data-start=\"1271\" data-end=\"1307\"\u003eKey-switch activated gauge systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1309\" data-end=\"1312\"\u003e\n\u003cp data-start=\"1314\" data-end=\"1350\"\u003e\u003cstrong data-start=\"1314\" data-end=\"1350\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1352\" data-end=\"1735\"\u003eThis adapter keeps the gauge system predictable in dual-engine boats. Whether you turn the starboard key first or port key first, the gauges receive power instantly and in the correct sequence. It cuts down on helm wiring clutter and reduces the chance of uneven gauge behavior during startup. With clean OEM connectors, the adapter installs quickly and stays secure behind the dash.\u003c\/p\u003e\n\u003chr data-start=\"1737\" data-end=\"1740\"\u003e\n\u003cp data-start=\"1742\" data-end=\"1757\"\u003e\u003cstrong data-start=\"1742\" data-end=\"1757\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1759\" data-end=\"2141\"\u003eShared power circuits must meet SmartCraft’s electrical expectations to avoid false warnings or delayed gauge activation. Mercury’s OEM adapter uses the correct wiring logic and connector design, ensuring the gauges receive stable power every time. Aftermarket workarounds often lead to flickering screens or unreliable startups, but the factory adapter keeps the system consistent.\u003c\/p\u003e\n\u003chr data-start=\"2143\" data-end=\"2146\"\u003e\n\u003cp data-start=\"2148\" data-end=\"2155\"\u003e\u003cstrong data-start=\"2148\" data-end=\"2155\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2157\" data-end=\"2292\"\u003e\u003cstrong data-start=\"2157\" data-end=\"2195\"\u003eQ1: When would I use this adapter?\u003c\/strong\u003e\u003cbr data-start=\"2195\" data-end=\"2198\"\u003eAny dual-engine SmartCraft setup where you want the gauges to power on from either key switch.\u003c\/p\u003e\n\u003cp data-start=\"2294\" data-end=\"2396\"\u003e\u003cstrong data-start=\"2294\" data-end=\"2334\"\u003eQ2: Does this affect gauge readings?\u003c\/strong\u003e\u003cbr data-start=\"2334\" data-end=\"2337\"\u003eNo. It only manages the power source, not the data signals.\u003c\/p\u003e\n\u003cp data-start=\"2398\" data-end=\"2515\"\u003e\u003cstrong data-start=\"2398\" data-end=\"2455\"\u003eQ3: Do both engines need to be SmartCraft compatible?\u003c\/strong\u003e\u003cbr data-start=\"2455\" data-end=\"2458\"\u003eYes. The adapter is designed for SmartCraft engine pairs.\u003c\/p\u003e\n\u003cp data-start=\"2517\" data-end=\"2619\"\u003e\u003cstrong data-start=\"2517\" data-end=\"2551\"\u003eQ4: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2551\" data-end=\"2554\"\u003eNo. It plugs directly into the existing SmartCraft wiring layout.\u003c\/p\u003e\n\u003cp data-start=\"2621\" data-end=\"2751\"\u003e\u003cstrong data-start=\"2621\" data-end=\"2672\"\u003eQ5: Will this help avoid delayed gauge startup?\u003c\/strong\u003e\u003cbr data-start=\"2672\" data-end=\"2675\"\u003eYes. It keeps gauges responsive regardless of which engine is started first.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626561429795,"sku":"84-892323T01","price":41.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/IMG_7212.jpg?v=1744394176"},{"product_id":"mercury-bezel-chrome-2-inch-8m0120346","title":"Mercury – 52 mm Bezel | Gauge Trim Ring | Chrome Bezel | 8M0120346","description":"\u003cp data-start=\"0\" data-end=\"70\"\u003e\u003cstrong data-start=\"0\" data-end=\"70\"\u003eMercury – 52 mm Bezel | Gauge Trim Ring | Chrome Bezel | 8M0120346\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"72\" data-end=\"75\"\u003e\n\u003cp data-start=\"77\" data-end=\"355\"\u003e\u003cstrong data-start=\"77\" data-end=\"89\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"89\" data-end=\"92\"\u003eThis 52 mm chrome bezel snaps over your gauge with a clean, simple fit. It’s a round trim ring that locks in place without any tools or fuss. On the boat, it stays put and gives the dash a tidy, finished look. It’s sold one at a time but shipped in groups of ten.\u003c\/p\u003e\n\u003chr data-start=\"357\" data-end=\"360\"\u003e\n\u003cp data-start=\"362\" data-end=\"793\"\u003e\u003cstrong data-start=\"362\" data-end=\"378\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"378\" data-end=\"381\"\u003e    • \u003cstrong data-start=\"407\" data-end=\"421\"\u003e52 mm Size\u003c\/strong\u003e – Made for standard 2-inch gauges.\u003cbr data-start=\"456\" data-end=\"459\"\u003e    • \u003cstrong data-start=\"485\" data-end=\"500\"\u003eSnap-On Fit\u003c\/strong\u003e – Press it on and it clicks into place.\u003cbr data-start=\"540\" data-end=\"543\"\u003e    • \u003cstrong data-start=\"569\" data-end=\"586\"\u003eChrome Finish\u003c\/strong\u003e – Clean, polished look for any dash.\u003cbr data-start=\"623\" data-end=\"626\"\u003e    • \u003cstrong data-start=\"652\" data-end=\"669\"\u003eRound Profile\u003c\/strong\u003e – Matches common marine gauge shapes.\u003cbr data-start=\"707\" data-end=\"710\"\u003e    • \u003cstrong data-start=\"736\" data-end=\"753\"\u003eBulk Handling\u003c\/strong\u003e – Priced individually; shipped in tens.\u003c\/p\u003e\n\u003chr data-start=\"795\" data-end=\"798\"\u003e\n\u003cp data-start=\"800\" data-end=\"1031\"\u003e\u003cstrong data-start=\"800\" data-end=\"831\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"831\" data-end=\"834\"\u003e    • Mercury gauge layouts\u003cbr data-start=\"881\" data-end=\"884\"\u003e    • SmartCraft dash panels\u003cbr data-start=\"932\" data-end=\"935\"\u003e    • Analog gauge clusters\u003cbr data-start=\"982\" data-end=\"985\"\u003e    • 52 mm gauge housings\u003c\/p\u003e\n\u003chr data-start=\"1033\" data-end=\"1036\"\u003e\n\u003cp data-start=\"1038\" data-end=\"1328\"\u003e\u003cstrong data-start=\"1038\" data-end=\"1074\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1074\" data-end=\"1077\"\u003eOnce it’s on, this bezel gives the gauge a clean edge and doesn’t shift around while you’re running. It keeps the dash looking neat and helps older gauges blend in with newer ones. It’s a quick, no-tools upgrade that holds up well during everyday use.\u003c\/p\u003e\n\u003chr data-start=\"1330\" data-end=\"1333\"\u003e\n\u003cp data-start=\"1335\" data-end=\"1603\"\u003e\u003cstrong data-start=\"1335\" data-end=\"1350\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1350\" data-end=\"1353\"\u003eOEM bezels match Mercury gauge dimensions exactly, so the fit is tight and doesn’t loosen over time. The chrome finish holds up better to sun, spray, and vibration than cheaper trim rings. Most boaters stick with OEM because it looks right and lasts.\u003c\/p\u003e\n\u003chr data-start=\"1605\" data-end=\"1608\"\u003e\n\u003cp data-start=\"1610\" data-end=\"2043\"\u003e\u003cstrong data-start=\"1610\" data-end=\"1617\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1617\" data-end=\"1620\"\u003e\u003cstrong data-start=\"1620\" data-end=\"1649\"\u003e1. How do I know it fits?\u003c\/strong\u003e\u003cbr data-start=\"1649\" data-end=\"1652\"\u003eIf your gauge body is 52 mm, it snaps right on.\u003cbr data-start=\"1699\" data-end=\"1702\"\u003e\u003cstrong data-start=\"1702\" data-end=\"1725\"\u003e2. Do I need tools?\u003c\/strong\u003e\u003cbr data-start=\"1725\" data-end=\"1728\"\u003eNo—just press it into place.\u003cbr data-start=\"1756\" data-end=\"1759\"\u003e\u003cstrong data-start=\"1759\" data-end=\"1797\"\u003e3. Does the chrome finish hold up?\u003c\/strong\u003e\u003cbr data-start=\"1797\" data-end=\"1800\"\u003eYes, as long as it’s rinsed and wiped occasionally.\u003cbr data-start=\"1851\" data-end=\"1854\"\u003e\u003cstrong data-start=\"1854\" data-end=\"1897\"\u003e4. Anything to check before installing?\u003c\/strong\u003e\u003cbr data-start=\"1897\" data-end=\"1900\"\u003eMake sure the gauge edge is clean so it seats properly.\u003cbr data-start=\"1955\" data-end=\"1958\"\u003e\u003cstrong data-start=\"1958\" data-end=\"2001\"\u003e5. What happens when a bezel wears out?\u003c\/strong\u003e\u003cbr data-start=\"2001\" data-end=\"2004\"\u003eIt’ll feel loose or not clip on firmly.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626594558243,"sku":"8M0120346","price":8.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120346.png?v=1698792624"},{"product_id":"mercury-helm-kit-std-32cm-8m0137439","title":"Mercury - Helm kit-std 32cm - 8M0137439","description":"\u003cp\u003eHelm kit-std 32cm\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935213015331,"sku":"8M0137439","price":568.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV711412.jpg?v=1698792476"},{"product_id":"mercury-analog-gauge-interface-agi-kit-fits-race-mercruiser-outboard-engines-in-single-multiple-engine-installations-mercruiser-496mag-mag-ho-engines-892486k07","title":"Mercury – DTS AGI Harness (With SC Gauges) | SmartCraft Gauge Link | 892486K07","description":"\u003cp data-start=\"0\" data-end=\"82\"\u003e\u003cstrong data-start=\"0\" data-end=\"82\"\u003eMercury – DTS AGI Harness (With SC Gauges) | SmartCraft Gauge Link | 892486K07\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"84\" data-end=\"87\"\u003e\n\u003cp data-start=\"89\" data-end=\"532\"\u003e\u003cstrong data-start=\"89\" data-end=\"101\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"101\" data-end=\"104\"\u003eThis DTS AGI harness is built for setups already running SmartCraft gauges. It uses the 3-pin gauge link to pull clean data for tach, trim, fuel level, block temp, and oil pressure\/level straight from the PCM. Out on the water, it keeps those readings steady and helps cut out the weird flicker or random dropouts that happen with old harnesses. It also has transient-voltage protection onboard to keep the PCM safe from spikes.\u003c\/p\u003e\n\u003chr data-start=\"534\" data-end=\"537\"\u003e\n\u003cp data-start=\"539\" data-end=\"1048\"\u003e\u003cstrong data-start=\"539\" data-end=\"555\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"555\" data-end=\"558\"\u003e    • \u003cstrong data-start=\"584\" data-end=\"615\"\u003e3-Pin SmartCraft Gauge Link\u003c\/strong\u003e – Feeds SC gauges directly.\u003cbr data-start=\"643\" data-end=\"646\"\u003e    • \u003cstrong data-start=\"672\" data-end=\"695\"\u003eMulti-Gauge Support\u003c\/strong\u003e – Tach, trim, fuel level 1, block temp, oil pressure\/level.\u003cbr data-start=\"755\" data-end=\"758\"\u003e    • \u003cstrong data-start=\"784\" data-end=\"816\"\u003eVoltage Suppression Built In\u003c\/strong\u003e – Protects the PCM from electrical spikes.\u003cbr data-start=\"859\" data-end=\"862\"\u003e    • \u003cstrong data-start=\"888\" data-end=\"901\"\u003eDTS Ready\u003c\/strong\u003e – Works with digital throttle-and-shift systems.\u003cbr data-start=\"950\" data-end=\"953\"\u003e    • \u003cstrong data-start=\"979\" data-end=\"1000\"\u003eOEM Wiring Layout\u003c\/strong\u003e – Matches Mercury’s pinouts for supported PCMs.\u003c\/p\u003e\n\u003chr data-start=\"1050\" data-end=\"1053\"\u003e\n\u003cp data-start=\"1055\" data-end=\"1265\"\u003e\u003cstrong data-start=\"1055\" data-end=\"1086\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1086\" data-end=\"1089\"\u003e    • PCM0309\u003cbr data-start=\"1122\" data-end=\"1125\"\u003e    • PCM0702\u003cbr data-start=\"1158\" data-end=\"1161\"\u003e    • PCM0802\u003cbr data-start=\"1194\" data-end=\"1197\"\u003e    • PCM8002\u003cbr data-start=\"1230\" data-end=\"1233\"\u003e    • PCM112\u003c\/p\u003e\n\u003chr data-start=\"1267\" data-end=\"1270\"\u003e\n\u003cp data-start=\"1272\" data-end=\"1648\"\u003e\u003cstrong data-start=\"1272\" data-end=\"1308\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1308\" data-end=\"1311\"\u003eOnce it’s installed, the gauges usually read smoother and react quicker because they’re getting a clean signal from the PCM. It simplifies the wiring on boats that already have SmartCraft gauges in place—no adapters, no guesswork, just a solid connection. You get steadier readings, fewer odd glitches, and a tidier rigging path overall.\u003c\/p\u003e\n\u003chr data-start=\"1650\" data-end=\"1653\"\u003e\n\u003cp data-start=\"1655\" data-end=\"1959\"\u003e\u003cstrong data-start=\"1655\" data-end=\"1670\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1670\" data-end=\"1673\"\u003eOEM DTS harnesses fit tight, have the right shielding, and follow Mercury’s wiring exactly. That means fewer surprises, fewer bad readings, and no fighting with cheap connectors. Most boaters stick with OEM for PCM-linked harnesses because these systems don’t tolerate off-brand wiring.\u003c\/p\u003e\n\u003chr data-start=\"1961\" data-end=\"1964\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2127\"\u003e\u003cstrong data-start=\"1966\" data-end=\"1973\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1973\" data-end=\"1976\"\u003e\u003cstrong data-start=\"1976\" data-end=\"2023\"\u003e1. How do I know this is the right harness?\u003c\/strong\u003e\u003cbr data-start=\"2023\" data-end=\"2026\"\u003eIf you’ve got SC gauges and a DTS engine running one of the listed PCMs, this is the correct harness.\u003c\/p\u003e\n\u003cp data-start=\"2129\" data-end=\"2217\"\u003e\u003cstrong data-start=\"2129\" data-end=\"2160\"\u003e2. Does it replace a J-Box?\u003c\/strong\u003e\u003cbr data-start=\"2160\" data-end=\"2163\"\u003eNo—this is for gauge linking, not system distribution.\u003c\/p\u003e\n\u003cp data-start=\"2219\" data-end=\"2325\"\u003e\u003cstrong data-start=\"2219\" data-end=\"2254\"\u003e3. What gauges will it support?\u003c\/strong\u003e\u003cbr data-start=\"2254\" data-end=\"2257\"\u003eTach, trim, fuel level 1, block temperature, and oil pressure\/level.\u003c\/p\u003e\n\u003cp data-start=\"2327\" data-end=\"2457\"\u003e\u003cstrong data-start=\"2327\" data-end=\"2361\"\u003e4. Is the install complicated?\u003c\/strong\u003e\u003cbr data-start=\"2361\" data-end=\"2364\"\u003eIt’s mostly plug-and-play—connect to the PCM, route it cleanly, and plug into your SC gauges.\u003c\/p\u003e\n\u003cp data-start=\"2459\" data-end=\"2574\"\u003e\u003cstrong data-start=\"2459\" data-end=\"2500\"\u003e5. What does a bad harness look like?\u003c\/strong\u003e\u003cbr data-start=\"2500\" data-end=\"2503\"\u003eMultiple gauges acting up at once—jumping, flickering, or dropping out.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935569039651,"sku":"892486K07","price":243.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/892486k07.jpg?v=1698794141"},{"product_id":"mercury-analog-gauge-interface-kit-fits-smartcraft-compatible-14aeu-pin-engines-892486k08","title":"Mercury – DTS AGI Harness (No J-Box) | SmartCraft Gauge Link | 892486K08","description":"\u003cp data-start=\"0\" data-end=\"76\"\u003e\u003cstrong data-start=\"0\" data-end=\"76\"\u003eMercury – DTS AGI Harness (No J-Box) | SmartCraft Gauge Link | 892486K08\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"78\" data-end=\"81\"\u003e\n\u003cp data-start=\"83\" data-end=\"521\"\u003e\u003cstrong data-start=\"83\" data-end=\"95\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"95\" data-end=\"98\"\u003eThis DTS AGI harness ties SmartCraft-style analog gauges straight into the PCM on engines that don’t use a junction box. It uses the 10-pin tach link to pull clean data for tach, trim, fuel level, block temp, and oil pressure\/level. On the water, it keeps those readings stable and protects the PCM with built-in transient-voltage suppression. It’s a tidy way to get the essentials on your dash with a direct-to-PCM hookup.\u003c\/p\u003e\n\u003chr data-start=\"523\" data-end=\"526\"\u003e\n\u003cp data-start=\"528\" data-end=\"1055\"\u003e\u003cstrong data-start=\"528\" data-end=\"544\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"544\" data-end=\"547\"\u003e    • \u003cstrong data-start=\"573\" data-end=\"597\"\u003e10-Pin PCM Tach Link\u003c\/strong\u003e – Sends key gauge data straight from the PCM.\u003cbr data-start=\"643\" data-end=\"646\"\u003e    • \u003cstrong data-start=\"672\" data-end=\"695\"\u003eMulti-Gauge Support\u003c\/strong\u003e – Tach, trim, fuel level, block temp, and oil pressure\/level.\u003cbr data-start=\"757\" data-end=\"760\"\u003e    • \u003cstrong data-start=\"786\" data-end=\"805\"\u003eNo J-Box Needed\u003c\/strong\u003e – Direct interface for simplified DTS setups.\u003cbr data-start=\"851\" data-end=\"854\"\u003e    • \u003cstrong data-start=\"880\" data-end=\"903\"\u003eVoltage Suppression\u003c\/strong\u003e – Built-in transient protection for PCM circuits.\u003cbr data-start=\"953\" data-end=\"956\"\u003e    • \u003cstrong data-start=\"982\" data-end=\"1000\"\u003eOEM DTS Layout\u003c\/strong\u003e – Matches Mercury’s wiring pattern for supported PCMs.\u003c\/p\u003e\n\u003chr data-start=\"1057\" data-end=\"1060\"\u003e\n\u003cp data-start=\"1062\" data-end=\"1237\"\u003e\u003cstrong data-start=\"1062\" data-end=\"1093\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1093\" data-end=\"1096\"\u003e    • PCM0309\u003cbr data-start=\"1129\" data-end=\"1132\"\u003e    • PCM0702\u003cbr data-start=\"1165\" data-end=\"1168\"\u003e    • PCM0802\u003cbr data-start=\"1201\" data-end=\"1204\"\u003e    • PCM8002\u003c\/p\u003e\n\u003chr data-start=\"1239\" data-end=\"1242\"\u003e\n\u003cp data-start=\"1244\" data-end=\"1670\"\u003e\u003cstrong data-start=\"1244\" data-end=\"1280\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1280\" data-end=\"1283\"\u003eThis harness keeps gauge signals clean, cutting out the flicker and dropouts that show up with tired wiring or improvised adapters. It simplifies DTS gauge installations by removing the need for a junction box, which makes the rigging path shorter and easier to follow. Once installed, the gauges typically respond faster and hold steadier because the signal comes straight from the PCM.\u003c\/p\u003e\n\u003chr data-start=\"1672\" data-end=\"1675\"\u003e\n\u003cp data-start=\"1677\" data-end=\"2026\"\u003e\u003cstrong data-start=\"1677\" data-end=\"1692\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1692\" data-end=\"1695\"\u003eOEM DTS wiring is built to Mercury’s specs, so the PCM sees the right loads and the gauges get the right signals. The connectors fit tight, the shielding works, and the suppression hardware is already built in. Most boaters prefer OEM for PCM-linked harnesses because the wrong wiring can cause all sorts of strange gauge behavior.\u003c\/p\u003e\n\u003chr data-start=\"2028\" data-end=\"2031\"\u003e\n\u003cp data-start=\"2033\" data-end=\"2196\"\u003e\u003cstrong data-start=\"2033\" data-end=\"2040\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"2040\" data-end=\"2043\"\u003e\u003cstrong data-start=\"2043\" data-end=\"2097\"\u003e1. How do I know if this harness is the right one?\u003c\/strong\u003e\u003cbr data-start=\"2097\" data-end=\"2100\"\u003eIf your DTS engine uses a 10-pin PCM tach link and no junction box, this is the correct harness.\u003c\/p\u003e\n\u003cp data-start=\"2198\" data-end=\"2325\"\u003e\u003cstrong data-start=\"2198\" data-end=\"2252\"\u003e2. What happens when a harness like this goes bad?\u003c\/strong\u003e\u003cbr data-start=\"2252\" data-end=\"2255\"\u003eYou’ll see jumpy or missing readings on multiple gauges, not just one.\u003c\/p\u003e\n\u003cp data-start=\"2327\" data-end=\"2428\"\u003e\u003cstrong data-start=\"2327\" data-end=\"2366\"\u003e3. Does this support analog gauges?\u003c\/strong\u003e\u003cbr data-start=\"2366\" data-end=\"2369\"\u003eYes—this harness feeds analog-style SmartCraft link gauges.\u003c\/p\u003e\n\u003cp data-start=\"2430\" data-end=\"2540\"\u003e\u003cstrong data-start=\"2430\" data-end=\"2465\"\u003e4. Is installation complicated?\u003c\/strong\u003e\u003cbr data-start=\"2465\" data-end=\"2468\"\u003eNot usually—plug into the PCM, route it cleanly, and connect the gauges.\u003c\/p\u003e\n\u003cp data-start=\"2542\" data-end=\"2661\"\u003e\u003cstrong data-start=\"2542\" data-end=\"2586\"\u003e5. Does the suppression hardware matter?\u003c\/strong\u003e\u003cbr data-start=\"2586\" data-end=\"2589\"\u003eYes—it protects the PCM from voltage spikes and keeps the signals clean.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935569072419,"sku":"892486K08","price":179.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/892486k08.jpg?v=1698794141"},{"product_id":"mercury-analog-gauge-interface-module-fits-nonaeu-pcm09-ecus-892486t04","title":"Mercury - Analog Gauge Interface Module - Fits NON-PCM09 ECUs - 892486T04","description":"\u003cdiv class=\"page\" data-page-number=\"477\" data-loaded=\"true\"\u003e\n\u003cdiv class=\"textLayer\"\u003e\n\u003cdiv\u003eReplacement AGI Module: analog outputs for tach, fuel level, trim position, block temperature and oil pressure.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eFor NON-PCM09 ECUs - Must have digital sensors on SmartCraft engine in order for these to be converted to analog outputs. CDS service tool used to enable Tach Link output (which can be either digital link data or analog trim)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935569137955,"sku":"892486T04","price":160.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/892486t04.png?v=1698794142"},{"product_id":"mercury-analog-gauge-interface-agi-kit-fits-race-mercruiser-engines-with-14-pin-deutsch-connector-engine-wiring-892486k04","title":"Mercury – Race Engine ACI Harness | Performance Gauge Link | 892486K04","description":"\u003cp data-start=\"0\" data-end=\"74\"\u003e\u003cstrong data-start=\"0\" data-end=\"74\"\u003eMercury – Race Engine ACI Harness | Performance Gauge Link | 892486K04\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"76\" data-end=\"79\"\u003e\n\u003cp data-start=\"81\" data-end=\"559\"\u003e\u003cstrong data-start=\"81\" data-end=\"93\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"93\" data-end=\"96\"\u003eThis Race Engine ACI harness gives performance rigs a clean, direct way to feed key gauge info from the PCM. It uses the 3-pin link to deliver data for oil pressure, coolant temp, fuel pressure, oil temp, and tach—exactly what you want to see on a high-output setup. Out on the water, it keeps those readings steady and includes transient-voltage protection to help shield the PCM. It’s built for race engines using a Vessel AGI and works across all PCM families.\u003c\/p\u003e\n\u003chr data-start=\"561\" data-end=\"564\"\u003e\n\u003cp data-start=\"566\" data-end=\"1096\"\u003e\u003cstrong data-start=\"566\" data-end=\"582\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"582\" data-end=\"585\"\u003e    • \u003cstrong data-start=\"611\" data-end=\"631\"\u003e3-Pin Gauge Link\u003c\/strong\u003e – Sends core engine data straight to the gauges.\u003cbr data-start=\"680\" data-end=\"683\"\u003e    • \u003cstrong data-start=\"709\" data-end=\"733\"\u003eRace-Focused Signals\u003c\/strong\u003e – Oil PSI, coolant temp, fuel PSI, oil temp, and tach.\u003cbr data-start=\"788\" data-end=\"791\"\u003e    • \u003cstrong data-start=\"817\" data-end=\"840\"\u003eVoltage Suppression\u003c\/strong\u003e – Helps protect the PCM from electrical spikes.\u003cbr data-start=\"888\" data-end=\"891\"\u003e    • \u003cstrong data-start=\"917\" data-end=\"942\"\u003eVessel AGI Compatible\u003c\/strong\u003e – Designed for performance-minded installations.\u003cbr data-start=\"991\" data-end=\"994\"\u003e    • \u003cstrong data-start=\"1020\" data-end=\"1049\"\u003eOEM DTS\/SmartCraft Layout\u003c\/strong\u003e – Uses Mercury’s correct pinout and shielding.\u003c\/p\u003e\n\u003chr data-start=\"1098\" data-end=\"1101\"\u003e\n\u003cp data-start=\"1103\" data-end=\"1339\"\u003e\u003cstrong data-start=\"1103\" data-end=\"1134\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1134\" data-end=\"1137\"\u003e    • All PCM families\u003cbr data-start=\"1179\" data-end=\"1182\"\u003e    • Race-engine applications\u003cbr data-start=\"1232\" data-end=\"1235\"\u003e    • Setups using Vessel AGI\u003cbr data-start=\"1284\" data-end=\"1287\"\u003e    • Performance gauge clusters\u003c\/p\u003e\n\u003chr data-start=\"1341\" data-end=\"1344\"\u003e\n\u003cp data-start=\"1346\" data-end=\"1772\"\u003e\u003cstrong data-start=\"1346\" data-end=\"1382\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1382\" data-end=\"1385\"\u003eThis harness keeps critical readings tight and predictable, which matters even more when you’re running a boat that doesn’t live in the low RPM range. The clean signal path helps gauges react quickly and keeps them from flickering when the engine shakes or loads hard. It also simplifies the rigging since you’re pulling everything through a proper 3-pin link instead of mixing adapters.\u003c\/p\u003e\n\u003chr data-start=\"1774\" data-end=\"1777\"\u003e\n\u003cp data-start=\"1779\" data-end=\"2104\"\u003e\u003cstrong data-start=\"1779\" data-end=\"1794\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1794\" data-end=\"1797\"\u003eOEM race-engine wiring keeps the signals clean and the PCM protected. The connectors fit tight, the shielding works, and the pinout is exactly what the PCM expects. Most boaters running performance setups stick with OEM because off-brand wiring can cause data glitches you really don’t want on a race motor.\u003c\/p\u003e\n\u003chr data-start=\"2106\" data-end=\"2109\"\u003e\n\u003cp data-start=\"2111\" data-end=\"2275\"\u003e\u003cstrong data-start=\"2111\" data-end=\"2118\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"2118\" data-end=\"2121\"\u003e\u003cstrong data-start=\"2121\" data-end=\"2168\"\u003e1. How do I know this is the right harness?\u003c\/strong\u003e\u003cbr data-start=\"2168\" data-end=\"2171\"\u003eIf you’re running a race engine with a Vessel AGI and need a 3-pin gauge link, this is the correct part.\u003c\/p\u003e\n\u003cp data-start=\"2277\" data-end=\"2378\"\u003e\u003cstrong data-start=\"2277\" data-end=\"2313\"\u003e2. Which gauges does it support?\u003c\/strong\u003e\u003cbr data-start=\"2313\" data-end=\"2316\"\u003eOil pressure, coolant temp, fuel pressure, oil temp, and tach.\u003c\/p\u003e\n\u003cp data-start=\"2380\" data-end=\"2468\"\u003e\u003cstrong data-start=\"2380\" data-end=\"2421\"\u003e3. Does it replace SmartCraft gauges?\u003c\/strong\u003e\u003cbr data-start=\"2421\" data-end=\"2424\"\u003eNo—it feeds analog-style performance gauges.\u003c\/p\u003e\n\u003cp data-start=\"2470\" data-end=\"2580\"\u003e\u003cstrong data-start=\"2470\" data-end=\"2504\"\u003e4. Is the install complicated?\u003c\/strong\u003e\u003cbr data-start=\"2504\" data-end=\"2507\"\u003eUsually not—plug into the PCM, route it cleanly, and hook up your gauges.\u003c\/p\u003e\n\u003cp data-start=\"2582\" data-end=\"2696\"\u003e\u003cstrong data-start=\"2582\" data-end=\"2631\"\u003e5. What happens if a harness like this fails?\u003c\/strong\u003e\u003cbr data-start=\"2631\" data-end=\"2634\"\u003eYou’ll see multiple gauges flicker, drop out, or react slowly.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935569203491,"sku":"892486K04","price":228.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/892486k07_1.jpg?v=1698794141"},{"product_id":"mercury-vessel-analog-gauge-interface-agi-kit-fits-race-mercruiser-engines-with-14-pin-deutsch-connector-engine-wiring-892486k05","title":"Mercury – Race Vessel AGI Harness | Performance Gauge Link | 892486K05","description":"\u003cp data-start=\"0\" data-end=\"74\"\u003e\u003cstrong data-start=\"0\" data-end=\"74\"\u003eMercury – Race Vessel AGI Harness | Performance Gauge Link | 892486K05\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"76\" data-end=\"79\"\u003e\n\u003cp data-start=\"81\" data-end=\"519\"\u003e\u003cstrong data-start=\"81\" data-end=\"93\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"93\" data-end=\"96\"\u003eThis Race Vessel AGI harness ties your trim tabs, engine trim, and both fuel-level circuits into the PCM using the 3-pin gauge link. It’s built for race-engine setups already running a Race Engine AGI, giving those gauges a clean, steady signal. Out on the water, it helps keep the readings from bouncing around when the boat hits chop or settles into a hard run. Simple hookup, clean routing, and ready for any PCM family.\u003c\/p\u003e\n\u003chr data-start=\"521\" data-end=\"524\"\u003e\n\u003cp data-start=\"526\" data-end=\"1014\"\u003e\u003cstrong data-start=\"526\" data-end=\"542\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"542\" data-end=\"545\"\u003e    • \u003cstrong data-start=\"571\" data-end=\"591\"\u003e3-Pin Gauge Link\u003c\/strong\u003e – Feeds tab, trim, and fuel-level signals to the PCM.\u003cbr data-start=\"645\" data-end=\"648\"\u003e    • \u003cstrong data-start=\"674\" data-end=\"694\"\u003eDual Fuel Inputs\u003c\/strong\u003e – Supports tank 1 and tank 2.\u003cbr data-start=\"724\" data-end=\"727\"\u003e    • \u003cstrong data-start=\"753\" data-end=\"777\"\u003eTab Position Signals\u003c\/strong\u003e – Handles both port and starboard tab senders.\u003cbr data-start=\"824\" data-end=\"827\"\u003e    • \u003cstrong data-start=\"853\" data-end=\"876\"\u003eVoltage Suppression\u003c\/strong\u003e – Helps protect the PCM from spikes.\u003cbr data-start=\"913\" data-end=\"916\"\u003e    • \u003cstrong data-start=\"942\" data-end=\"963\"\u003eRace-Engine Ready\u003c\/strong\u003e – Designed to pair with the Race Engine AGI setup.\u003c\/p\u003e\n\u003chr data-start=\"1016\" data-end=\"1019\"\u003e\n\u003cp data-start=\"1021\" data-end=\"1274\"\u003e\u003cstrong data-start=\"1021\" data-end=\"1052\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1052\" data-end=\"1055\"\u003e    • All PCM families\u003cbr data-start=\"1097\" data-end=\"1100\"\u003e    • Race Engine AGI systems\u003cbr data-start=\"1149\" data-end=\"1152\"\u003e    • Performance boats running analog-style gauges\u003cbr data-start=\"1223\" data-end=\"1226\"\u003e    • Dual-tank fuel layouts\u003c\/p\u003e\n\u003chr data-start=\"1276\" data-end=\"1279\"\u003e\n\u003cp data-start=\"1281\" data-end=\"1623\"\u003e\u003cstrong data-start=\"1281\" data-end=\"1317\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1317\" data-end=\"1320\"\u003eOn the water, this harness helps trim and tab gauges behave the way they should—no bouncing, no ghost readings, and no random dropouts. Fuel levels stay steadier too, which really helps on longer runs or rough days. The wiring path is simpler and cleaner, which means fewer little issues to chase later.\u003c\/p\u003e\n\u003chr data-start=\"1625\" data-end=\"1628\"\u003e\n\u003cp data-start=\"1630\" data-end=\"1946\"\u003e\u003cstrong data-start=\"1630\" data-end=\"1645\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1645\" data-end=\"1648\"\u003eOEM wiring matches Mercury’s pinouts perfectly and stays tight even when the boat is getting worked. It’s built for heat, vibration, and spray—things that usually expose cheap wiring fast. Most boaters running performance setups stick with OEM because one bad harness can throw multiple gauges off.\u003c\/p\u003e\n\u003chr data-start=\"1948\" data-end=\"1951\"\u003e\n\u003cp data-start=\"1953\" data-end=\"2110\"\u003e\u003cstrong data-start=\"1953\" data-end=\"1960\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1960\" data-end=\"1963\"\u003e\u003cstrong data-start=\"1963\" data-end=\"2010\"\u003e1. How do I know this is the right harness?\u003c\/strong\u003e\u003cbr data-start=\"2010\" data-end=\"2013\"\u003eIf you’re running a Race Engine AGI and need tab, trim, and dual-fuel signals, this is the one.\u003c\/p\u003e\n\u003cp data-start=\"2112\" data-end=\"2212\"\u003e\u003cstrong data-start=\"2112\" data-end=\"2158\"\u003e2. Does it feed SmartCraft digital gauges?\u003c\/strong\u003e\u003cbr data-start=\"2158\" data-end=\"2161\"\u003eNo—it feeds analog-style signals through the AGI.\u003c\/p\u003e\n\u003cp data-start=\"2214\" data-end=\"2292\"\u003e\u003cstrong data-start=\"2214\" data-end=\"2239\"\u003e3. Do I need a J-Box?\u003c\/strong\u003e\u003cbr data-start=\"2239\" data-end=\"2242\"\u003eNot for this link—the AGI handles the interface.\u003c\/p\u003e\n\u003cp data-start=\"2294\" data-end=\"2393\"\u003e\u003cstrong data-start=\"2294\" data-end=\"2322\"\u003e4. Is the install tough?\u003c\/strong\u003e\u003cbr data-start=\"2322\" data-end=\"2325\"\u003eNo—plug it into the AGI, route it neatly, and hook up your gauges.\u003c\/p\u003e\n\u003cp data-start=\"2395\" data-end=\"2539\"\u003e\u003cstrong data-start=\"2395\" data-end=\"2440\"\u003e5. What does a failing harness look like?\u003c\/strong\u003e\u003cbr data-start=\"2440\" data-end=\"2443\"\u003eTabs jump around, fuel levels flicker, trim readings drift, or several gauges misbehave at once.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935569334563,"sku":"892486K05","price":228.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/892486k05.png?v=1698794143"},{"product_id":"mercury-cap-smcrft-10-pos-888507t","title":"Mercury – 10-Pin Weather Cap | Harness Port Protection | 888507T","description":"\u003cp data-start=\"0\" data-end=\"68\"\u003e\u003cstrong data-start=\"0\" data-end=\"68\"\u003eMercury – 10-Pin Weather Cap | Harness Port Protection | 888507T\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"70\" data-end=\"73\"\u003e\n\u003cp data-start=\"75\" data-end=\"87\"\u003e\u003cstrong data-start=\"75\" data-end=\"87\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"89\" data-end=\"516\"\u003eUnused harness ports can collect moisture and grime faster than most people realize, especially around the transom or rigging bay. The Mercury 888507T 10-Pin Weather Cap closes off those open connections and keeps the electrical system cleaner over the long run. With a built-in mounting tab, it stays secure and out of the way, giving any exposed 10-pin plug point the protection it needs in a wet, high-vibration environment.\u003c\/p\u003e\n\u003chr data-start=\"518\" data-end=\"521\"\u003e\n\u003cp data-start=\"523\" data-end=\"539\"\u003e\u003cstrong data-start=\"523\" data-end=\"539\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"543\" data-end=\"632\"\u003e\n\u003cstrong data-start=\"543\" data-end=\"567\"\u003e10-Pin Sealing Cap –\u003c\/strong\u003e Covers open 10-pin harness ports to keep out water and debris.\u003c\/li\u003e\n\u003cli data-start=\"635\" data-end=\"721\"\u003e\n\u003cstrong data-start=\"635\" data-end=\"653\"\u003eMounting Tab –\u003c\/strong\u003e Allows the cap to be secured so it does not dangle or pull loose.\u003c\/li\u003e\n\u003cli data-start=\"724\" data-end=\"821\"\u003e\n\u003cstrong data-start=\"724\" data-end=\"748\"\u003eJunction Box Ready –\u003c\/strong\u003e Sized for harnesses that normally plug into SmartCraft junction boxes.\u003c\/li\u003e\n\u003cli data-start=\"824\" data-end=\"928\"\u003e\n\u003cstrong data-start=\"824\" data-end=\"857\"\u003eClean Electrical Protection –\u003c\/strong\u003e Helps prevent corrosion and signal issues caused by open connectors.\u003c\/li\u003e\n\u003cli data-start=\"931\" data-end=\"1014\"\u003e\n\u003cstrong data-start=\"931\" data-end=\"957\"\u003eDurable Marine Build –\u003c\/strong\u003e Made to hold up to heat, spray, and constant movement.\u003c\/li\u003e\n\u003cli data-start=\"1017\" data-end=\"1098\"\u003e\n\u003cstrong data-start=\"1017\" data-end=\"1036\"\u003eQuick Install –\u003c\/strong\u003e Push-on design makes covering unused plugs fast and simple.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1100\" data-end=\"1103\"\u003e\n\u003cp data-start=\"1105\" data-end=\"1122\"\u003e\u003cstrong data-start=\"1105\" data-end=\"1122\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1126\" data-end=\"1161\"\u003e10-pin Mercury harness connectors\u003c\/li\u003e\n\u003cli data-start=\"1164\" data-end=\"1203\"\u003eSmartCraft junction box harness ports\u003c\/li\u003e\n\u003cli data-start=\"1206\" data-end=\"1249\"\u003eUnused engine or helm rigging plug points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1251\" data-end=\"1254\"\u003e\n\u003cp data-start=\"1256\" data-end=\"1292\"\u003e\u003cstrong data-start=\"1256\" data-end=\"1292\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1294\" data-end=\"1644\"\u003eThis cap keeps unused connectors protected so they stay clean and ready if needed later. It prevents stray water, salt, and dirt from creeping into the plug cavity, which helps avoid electrical noise or corrosion problems down the road. The mounting tab keeps the cap secured, even in tight rigging spaces where vibration can shake lesser caps loose.\u003c\/p\u003e\n\u003chr data-start=\"1646\" data-end=\"1649\"\u003e\n\u003cp data-start=\"1651\" data-end=\"1666\"\u003e\u003cstrong data-start=\"1651\" data-end=\"1666\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1668\" data-end=\"2004\"\u003eConnection integrity is critical in SmartCraft and modern Mercury harnessing. The OEM cap fits the 10-pin shape exactly and seals the opening properly, something generic caps rarely do. Using the factory piece ensures the connector stays dry, tight, and ready for future use without causing false readings or intermittent communication.\u003c\/p\u003e\n\u003chr data-start=\"2006\" data-end=\"2009\"\u003e\n\u003cp data-start=\"2011\" data-end=\"2018\"\u003e\u003cstrong data-start=\"2011\" data-end=\"2018\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2020\" data-end=\"2170\"\u003e\u003cstrong data-start=\"2020\" data-end=\"2057\"\u003eQ1: When should this cap be used?\u003c\/strong\u003e\u003cbr data-start=\"2057\" data-end=\"2060\"\u003eAny time you have an unused 10-pin harness plug or an open junction box lead, the cap protects the connection.\u003c\/p\u003e\n\u003cp data-start=\"2172\" data-end=\"2300\"\u003e\u003cstrong data-start=\"2172\" data-end=\"2224\"\u003eQ2: Does the cap need to be removed for service?\u003c\/strong\u003e\u003cbr data-start=\"2224\" data-end=\"2227\"\u003eOnly if that plug point is needed. Otherwise it stays in place full-time.\u003c\/p\u003e\n\u003cp data-start=\"2302\" data-end=\"2438\"\u003e\u003cstrong data-start=\"2302\" data-end=\"2360\"\u003eQ3: Will this help prevent corrosion on the terminals?\u003c\/strong\u003e\u003cbr data-start=\"2360\" data-end=\"2363\"\u003eYes. Keeping water and debris out of the connector greatly slows corrosion.\u003c\/p\u003e\n\u003cp data-start=\"2440\" data-end=\"2564\"\u003e\u003cstrong data-start=\"2440\" data-end=\"2489\"\u003eQ4: Does the mounting tab need to be secured?\u003c\/strong\u003e\u003cbr data-start=\"2489\" data-end=\"2492\"\u003eSecuring it is recommended so the cap stays put in high-vibration areas.\u003c\/p\u003e\n\u003cp data-start=\"2566\" data-end=\"2664\"\u003e\u003cstrong data-start=\"2566\" data-end=\"2615\"\u003eQ5: Can it be used in saltwater environments?\u003c\/strong\u003e\u003cbr data-start=\"2615\" data-end=\"2618\"\u003eYes. It’s built for long-term marine exposure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935592370467,"sku":"888507T","price":7.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV506039.jpg?v=1698794266"},{"product_id":"mercury-quicksilver-fuel-gauge-sending-unit-fits-12-volt-system-33aeu-240-ohm-851052q","title":"Mercury Quicksilver - Fuel Gauge Sending Unit - Fits 12 Volt System - 33-240 OHM - 851052Q","description":"\u003cp\u003eDesigned for tanks that have a 5 screw flange. Use with 12 volt system. 33-240 ohm. Adjusts from 4 in.(10.2 cm) to 24 in.(60.7 cm)\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935892197667,"sku":"851052Q","price":69.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/851052q.jpg?v=1698795281"},{"product_id":"mercury-harn-y-j-box-84-8m0165555","title":"Mercury – J-Box Y Harness | SmartCraft Network Splitter | 84-8M0165555","description":"\u003cp data-start=\"0\" data-end=\"74\"\u003e\u003cstrong data-start=\"0\" data-end=\"74\"\u003eMercury – J-Box Y Harness | SmartCraft Network Splitter | 84-8M0165555\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"76\" data-end=\"79\"\u003e\n\u003cp data-start=\"81\" data-end=\"93\"\u003e\u003cstrong data-start=\"81\" data-end=\"93\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"95\" data-end=\"536\"\u003eSome SmartCraft installations need an extra branch in the network to cleanly connect multiple devices without overloading a single port. The Mercury 84-8M0165555 J-Box Y Harness provides that split. It creates a tidy, reliable way to branch a SmartCraft connection so modules, gauges, or accessories can share the network without loose adapters or makeshift junctions. Once installed, it keeps the wiring simple and the communication steady.\u003c\/p\u003e\n\u003chr data-start=\"538\" data-end=\"541\"\u003e\n\u003cp data-start=\"543\" data-end=\"559\"\u003e\u003cstrong data-start=\"543\" data-end=\"559\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"563\" data-end=\"662\"\u003e\n\u003cstrong data-start=\"563\" data-end=\"590\"\u003eY-Style Network Split –\u003c\/strong\u003e Creates two clean SmartCraft branches from a single connection point.\u003c\/li\u003e\n\u003cli data-start=\"665\" data-end=\"762\"\u003e\n\u003cstrong data-start=\"665\" data-end=\"688\"\u003eJ-Box Integration –\u003c\/strong\u003e Designed for use with SmartCraft junction box layouts and harness runs.\u003c\/li\u003e\n\u003cli data-start=\"765\" data-end=\"861\"\u003e\n\u003cstrong data-start=\"765\" data-end=\"795\"\u003eStable CAN Communication –\u003c\/strong\u003e Maintains solid data flow between connected SmartCraft devices.\u003c\/li\u003e\n\u003cli data-start=\"864\" data-end=\"945\"\u003e\n\u003cstrong data-start=\"864\" data-end=\"887\"\u003eOEM Connector Set –\u003c\/strong\u003e Uses factory SmartCraft ends for a secure, plug-in fit.\u003c\/li\u003e\n\u003cli data-start=\"948\" data-end=\"1032\"\u003e\n\u003cstrong data-start=\"948\" data-end=\"973\"\u003eRigging Flexibility –\u003c\/strong\u003e Helps organize and expand network paths without clutter.\u003c\/li\u003e\n\u003cli data-start=\"1035\" data-end=\"1133\"\u003e\n\u003cstrong data-start=\"1035\" data-end=\"1061\"\u003eDurable Marine Build –\u003c\/strong\u003e Withstands vibration, moisture, and long-term helm or bilge exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1135\" data-end=\"1138\"\u003e\n\u003cp data-start=\"1140\" data-end=\"1157\"\u003e\u003cstrong data-start=\"1140\" data-end=\"1157\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1161\" data-end=\"1181\"\u003eSmartCraft J-Boxes\u003c\/li\u003e\n\u003cli data-start=\"1184\" data-end=\"1209\"\u003eSmartCraft CAN networks\u003c\/li\u003e\n\u003cli data-start=\"1212\" data-end=\"1257\"\u003eSmartCraft modules, gauges, and accessories\u003c\/li\u003e\n\u003cli data-start=\"1260\" data-end=\"1299\"\u003e10-pin SmartCraft harness connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1301\" data-end=\"1304\"\u003e\n\u003cp data-start=\"1306\" data-end=\"1342\"\u003e\u003cstrong data-start=\"1306\" data-end=\"1342\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1344\" data-end=\"1740\"\u003eThis harness gives you more freedom when laying out a SmartCraft network. Instead of stacking adapters or stretching a single connection, the Y-split keeps the network cleaner and easier to troubleshoot. The factory connectors hold tight through vibration, and the wiring maintains the network’s proper communication behavior. It’s a simple addition that keeps the system orderly and predictable.\u003c\/p\u003e\n\u003chr data-start=\"1742\" data-end=\"1745\"\u003e\n\u003cp data-start=\"1747\" data-end=\"1762\"\u003e\u003cstrong data-start=\"1747\" data-end=\"1762\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1764\" data-end=\"2092\"\u003eSmartCraft communication depends on correct pinout, shielding, and connector quality. Mercury’s OEM harness ensures the split behaves exactly the way the system expects, avoiding the glitches or intermittent issues that can happen with aftermarket jumpers. With the factory Y harness, the network remains stable and serviceable.\u003c\/p\u003e\n\u003chr data-start=\"2094\" data-end=\"2097\"\u003e\n\u003cp data-start=\"2099\" data-end=\"2106\"\u003e\u003cstrong data-start=\"2099\" data-end=\"2106\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2108\" data-end=\"2256\"\u003e\u003cstrong data-start=\"2108\" data-end=\"2152\"\u003eQ1: When would I need a J-Box Y Harness?\u003c\/strong\u003e\u003cbr data-start=\"2152\" data-end=\"2155\"\u003eAny time you need to branch a single SmartCraft port to support an extra gauge, module, or accessory.\u003c\/p\u003e\n\u003cp data-start=\"2258\" data-end=\"2403\"\u003e\u003cstrong data-start=\"2258\" data-end=\"2317\"\u003eQ2: Does using this harness affect network performance?\u003c\/strong\u003e\u003cbr data-start=\"2317\" data-end=\"2320\"\u003eNo. When used correctly, it maintains clean CAN communication across both branches.\u003c\/p\u003e\n\u003cp data-start=\"2405\" data-end=\"2514\"\u003e\u003cstrong data-start=\"2405\" data-end=\"2441\"\u003eQ3: Is installation complicated?\u003c\/strong\u003e\u003cbr data-start=\"2441\" data-end=\"2444\"\u003eNo. It’s a plug-in harness—just route it cleanly and connect each end.\u003c\/p\u003e\n\u003cp data-start=\"2516\" data-end=\"2634\"\u003e\u003cstrong data-start=\"2516\" data-end=\"2560\"\u003eQ4: Can this be used in saltwater boats?\u003c\/strong\u003e\u003cbr data-start=\"2560\" data-end=\"2563\"\u003eYes. The connectors and wiring are built for long-term marine exposure.\u003c\/p\u003e\n\u003cp data-start=\"2636\" data-end=\"2790\"\u003e\u003cstrong data-start=\"2636\" data-end=\"2693\"\u003eQ5: Does it replace the need for a full junction box?\u003c\/strong\u003e\u003cbr data-start=\"2693\" data-end=\"2696\"\u003eNot in larger systems, but it’s ideal for small expansions where a full J-box isn’t necessary.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935985029411,"sku":"84-8M0165555","price":54.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV802508.jpg?v=1720534768"},{"product_id":"mercury-hrns-gauge-3ft-84-8m0150539","title":"Mercury – Analog Gauge Harness | DTS Engine Link | 84-8M0150539","description":"\u003cp data-start=\"0\" data-end=\"67\"\u003e\u003cstrong data-start=\"0\" data-end=\"67\"\u003eMercury – Analog Gauge Harness | DTS Engine Link | 84-8M0150539\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"69\" data-end=\"72\"\u003e\n\u003cp data-start=\"74\" data-end=\"510\"\u003e\u003cstrong data-start=\"74\" data-end=\"86\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"86\" data-end=\"89\"\u003eThis 3-foot analog gauge harness plugs straight into the engine’s 4-pin lead and feeds the basics—trim, coolant temp, oil pressure, and tach. It’s short, clean, and meant for simple dash hookups without extra adapters or long wiring runs. On the water, it helps those gauges read steady and cuts out a lot of the flicker or dropouts you get with tired wiring. Easy hook-up, easy routing, and built for modern DTS engines.\u003c\/p\u003e\n\u003chr data-start=\"512\" data-end=\"515\"\u003e\n\u003cp data-start=\"517\" data-end=\"1004\"\u003e\u003cstrong data-start=\"517\" data-end=\"533\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"533\" data-end=\"536\"\u003e    • \u003cstrong data-start=\"562\" data-end=\"584\"\u003eShort 3 ft Harness\u003c\/strong\u003e – Ideal for tidy, close-range routing.\u003cbr data-start=\"623\" data-end=\"626\"\u003e    • \u003cstrong data-start=\"652\" data-end=\"679\"\u003e4-Pin Engine Connection\u003c\/strong\u003e – Direct plug into the engine harness.\u003cbr data-start=\"718\" data-end=\"721\"\u003e    • \u003cstrong data-start=\"747\" data-end=\"771\"\u003eAnalog Gauge Outputs\u003c\/strong\u003e – Trim, coolant temp, oil PSI, and tach.\u003cbr data-start=\"812\" data-end=\"815\"\u003e    • \u003cstrong data-start=\"841\" data-end=\"863\"\u003eOEM Wiring Pattern\u003c\/strong\u003e – Matches Mercury’s color codes and pin layout.\u003cbr data-start=\"911\" data-end=\"914\"\u003e    • \u003cstrong data-start=\"940\" data-end=\"966\"\u003eFlexible Marine Jacket\u003c\/strong\u003e – Handles vibration, heat, and spray.\u003c\/p\u003e\n\u003chr data-start=\"1006\" data-end=\"1009\"\u003e\n\u003cp data-start=\"1011\" data-end=\"1216\"\u003e\u003cstrong data-start=\"1011\" data-end=\"1042\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1042\" data-end=\"1045\"\u003e    • DTS outboards\u003cbr data-start=\"1084\" data-end=\"1087\"\u003e    • DTS V6 \/ V8 outboards\u003cbr data-start=\"1134\" data-end=\"1137\"\u003e    • DTS MCM 4.5L\u003cbr data-start=\"1175\" data-end=\"1178\"\u003e    • DTS MCM 6.2L\u003c\/p\u003e\n\u003chr data-start=\"1218\" data-end=\"1221\"\u003e\n\u003cp data-start=\"1223\" data-end=\"1576\"\u003e\u003cstrong data-start=\"1223\" data-end=\"1259\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1259\" data-end=\"1262\"\u003eThis harness keeps the analog gauges steady by giving them a clean, short signal path. Trim and tach react smoothly, and pressure\/temperature gauges stop bouncing around from wiring noise. It’s a quick way to clean up the dash if you’re replacing an old harness or adding gauges to a DTS engine for the first time.\u003c\/p\u003e\n\u003chr data-start=\"1578\" data-end=\"1581\"\u003e\n\u003cp data-start=\"1583\" data-end=\"1857\"\u003e\u003cstrong data-start=\"1583\" data-end=\"1598\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1598\" data-end=\"1601\"\u003eOEM wiring fits tight, seals well, and follows Mercury’s exact pinout—no guesswork, no odd gauge behavior, no cheap connectors backing out. It’s built to hold up to engine vibration and heat, which is something off-brand harnesses don’t always handle well.\u003c\/p\u003e\n\u003chr data-start=\"1859\" data-end=\"1862\"\u003e\n\u003cp data-start=\"1864\" data-end=\"2012\"\u003e\u003cstrong data-start=\"1864\" data-end=\"1871\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1871\" data-end=\"1874\"\u003e\u003cstrong data-start=\"1874\" data-end=\"1921\"\u003e1. How do I know this is the right harness?\u003c\/strong\u003e\u003cbr data-start=\"1921\" data-end=\"1924\"\u003eIf your DTS engine has a 4-pin analog gauge lead, this is the correct plug-in harness.\u003c\/p\u003e\n\u003cp data-start=\"2014\" data-end=\"2118\"\u003e\u003cstrong data-start=\"2014\" data-end=\"2052\"\u003e2. Does it support digital gauges?\u003c\/strong\u003e\u003cbr data-start=\"2052\" data-end=\"2055\"\u003eNo—this is strictly for analog trim, tach, temp, and oil PSI.\u003c\/p\u003e\n\u003cp data-start=\"2120\" data-end=\"2241\"\u003e\u003cstrong data-start=\"2120\" data-end=\"2153\"\u003e3. Is the 3 ft length enough?\u003c\/strong\u003e\u003cbr data-start=\"2153\" data-end=\"2156\"\u003eIt’s meant for short, clean runs near the engine—extensions can be added if needed.\u003c\/p\u003e\n\u003cp data-start=\"2243\" data-end=\"2335\"\u003e\u003cstrong data-start=\"2243\" data-end=\"2275\"\u003e4. Any special tools needed?\u003c\/strong\u003e\u003cbr data-start=\"2275\" data-end=\"2278\"\u003eNo—plug it in, route it neatly, and connect the gauges.\u003c\/p\u003e\n\u003cp data-start=\"2337\" data-end=\"2467\"\u003e\u003cstrong data-start=\"2337\" data-end=\"2383\"\u003e5. What happens when an old harness fails?\u003c\/strong\u003e\u003cbr data-start=\"2383\" data-end=\"2386\"\u003eGauges jump, drop out, or read low because the signal gets noisy or intermittent.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935993319715,"sku":"84-8M0150539","price":15.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV726517.jpg?v=1720534565"},{"product_id":"mercury-harness-ext-27ft-84-8m0150478","title":"Mercury – Extension Harness (27 ft) | DTS Analog Gauge Link | 84-8M0150478","description":"\u003cp data-start=\"0\" data-end=\"78\"\u003e\u003cstrong data-start=\"0\" data-end=\"78\"\u003eMercury – Extension Harness (27 ft) | DTS Analog Gauge Link | 84-8M0150478\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"80\" data-end=\"83\"\u003e\n\u003cp data-start=\"85\" data-end=\"554\"\u003e\u003cstrong data-start=\"85\" data-end=\"97\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"97\" data-end=\"100\"\u003eThis harness gives you a short 2-foot analog gauge lead and a 25-foot 4-pin DTS extension, making it easy to rig boats with consoles set far forward. It plugs straight into the engine’s 4-pin connection and carries trim, coolant temp, oil pressure, and tach signals cleanly to the dash. On the water, the gauges stay steady because the signal isn’t fighting old wiring or stretched runs. Simple hookup, long reach, and built specifically for DTS engines.\u003c\/p\u003e\n\u003chr data-start=\"556\" data-end=\"559\"\u003e\n\u003cp data-start=\"561\" data-end=\"1062\"\u003e\u003cstrong data-start=\"561\" data-end=\"577\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"577\" data-end=\"580\"\u003e    • \u003cstrong data-start=\"606\" data-end=\"628\"\u003e27 ft Total Length\u003c\/strong\u003e – 2 ft gauge lead paired with a 25 ft DTS extension.\u003cbr data-start=\"681\" data-end=\"684\"\u003e    • \u003cstrong data-start=\"710\" data-end=\"731\"\u003e4-Pin Engine Plug\u003c\/strong\u003e – Direct connection to the DTS harness.\u003cbr data-start=\"771\" data-end=\"774\"\u003e    • \u003cstrong data-start=\"800\" data-end=\"818\"\u003eAnalog Outputs\u003c\/strong\u003e – Trim, coolant temp, oil PSI, and tach.\u003cbr data-start=\"859\" data-end=\"862\"\u003e    • \u003cstrong data-start=\"888\" data-end=\"908\"\u003eLong-Run Routing\u003c\/strong\u003e – Ideal for larger boats or console-forward layouts.\u003cbr data-start=\"961\" data-end=\"964\"\u003e    • \u003cstrong data-start=\"990\" data-end=\"1009\"\u003eOEM Wire Colors\u003c\/strong\u003e – Matches Mercury’s pinout for trouble-free rigging.\u003c\/p\u003e\n\u003chr data-start=\"1064\" data-end=\"1067\"\u003e\n\u003cp data-start=\"1069\" data-end=\"1274\"\u003e\u003cstrong data-start=\"1069\" data-end=\"1100\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1100\" data-end=\"1103\"\u003e    • DTS outboards\u003cbr data-start=\"1142\" data-end=\"1145\"\u003e    • DTS V6 \/ V8 outboards\u003cbr data-start=\"1192\" data-end=\"1195\"\u003e    • DTS MCM 4.5L\u003cbr data-start=\"1233\" data-end=\"1236\"\u003e    • DTS MCM 6.2L\u003c\/p\u003e\n\u003chr data-start=\"1276\" data-end=\"1279\"\u003e\n\u003cp data-start=\"1281\" data-end=\"1656\"\u003e\u003cstrong data-start=\"1281\" data-end=\"1317\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1317\" data-end=\"1320\"\u003eThe longer extension makes routing smoother on boats where the console sits a long way from the engine. Once installed, the gauges get a clean signal, which helps them read smoothly instead of jumping around or dropping out. It’s a quick fix when you need more reach or when replacing older harnesses that have gone stiff or unreliable.\u003c\/p\u003e\n\u003chr data-start=\"1658\" data-end=\"1661\"\u003e\n\u003cp data-start=\"1663\" data-end=\"1917\"\u003e\u003cstrong data-start=\"1663\" data-end=\"1678\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1678\" data-end=\"1681\"\u003eOEM DTS harnesses hold tight, follow Mercury’s wiring exactly, and handle vibration, heat, and spray better than off-brand replacements. With OEM wiring, the gauges behave the way they’re supposed to—no strange dropouts or signal noise.\u003c\/p\u003e\n\u003chr data-start=\"1919\" data-end=\"1922\"\u003e\n\u003cp data-start=\"1924\" data-end=\"2093\"\u003e\u003cstrong data-start=\"1924\" data-end=\"1931\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1931\" data-end=\"1934\"\u003e\u003cstrong data-start=\"1934\" data-end=\"1981\"\u003e1. How do I know this is the right harness?\u003c\/strong\u003e\u003cbr data-start=\"1981\" data-end=\"1984\"\u003eIf your DTS engine uses a 4-pin analog output and you need a long run to the dash, this is the right setup.\u003c\/p\u003e\n\u003cp data-start=\"2095\" data-end=\"2192\"\u003e\u003cstrong data-start=\"2095\" data-end=\"2135\"\u003e2. Does it work with digital gauges?\u003c\/strong\u003e\u003cbr data-start=\"2135\" data-end=\"2138\"\u003eNo—this is for analog trim, tach, temp, and oil PSI.\u003c\/p\u003e\n\u003cp data-start=\"2194\" data-end=\"2283\"\u003e\u003cstrong data-start=\"2194\" data-end=\"2225\"\u003e3. Can I coil extra length?\u003c\/strong\u003e\u003cbr data-start=\"2225\" data-end=\"2228\"\u003eYes—just avoid tight bends that could kink the cable.\u003c\/p\u003e\n\u003cp data-start=\"2285\" data-end=\"2394\"\u003e\u003cstrong data-start=\"2285\" data-end=\"2318\"\u003e4. Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2318\" data-end=\"2321\"\u003eNo—plug in at the engine, route the extension, and connect your gauges.\u003c\/p\u003e\n\u003cp data-start=\"2396\" data-end=\"2525\"\u003e\u003cstrong data-start=\"2396\" data-end=\"2445\"\u003e5. What are signs the old harness is failing?\u003c\/strong\u003e\u003cbr data-start=\"2445\" data-end=\"2448\"\u003eFlickering needles, slow response, or gauges that only work part of the time.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935993450787,"sku":"84-8M0150478","price":50.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV725972.jpg?v=1720534544"},{"product_id":"mercury-harness-ext-17ft-84-8m0150477","title":"Mercury – Extension Harness (17 ft) | DTS Analog Gauge Link | 84-8M0150477","description":"\u003cp data-start=\"0\" data-end=\"78\"\u003e\u003cstrong data-start=\"0\" data-end=\"78\"\u003eMercury – Extension Harness (17 ft) | DTS Analog Gauge Link | 84-8M0150477\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"80\" data-end=\"83\"\u003e\n\u003cp data-start=\"85\" data-end=\"612\"\u003e\u003cstrong data-start=\"85\" data-end=\"97\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"97\" data-end=\"100\"\u003eThis setup gives you a short 2-foot analog gauge harness paired with a 15-foot 4-pin DTS extension, making it easy to rig the dash and engine separately without stretching wires. It plugs straight into the engine’s 4-pin lead and carries trim, coolant temp, oil pressure, and tach signals cleanly to the dash. On the water, it helps the gauges stay steady and cuts down on the flicker or dropouts that show up with tired or makeshift wiring. It’s a simple, flexible option for DTS boats that need a longer reach.\u003c\/p\u003e\n\u003chr data-start=\"614\" data-end=\"617\"\u003e\n\u003cp data-start=\"619\" data-end=\"1103\"\u003e\u003cstrong data-start=\"619\" data-end=\"635\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"635\" data-end=\"638\"\u003e    • \u003cstrong data-start=\"664\" data-end=\"686\"\u003e17 ft Total Length\u003c\/strong\u003e – 2 ft gauge lead + 15 ft DTS extension.\u003cbr data-start=\"727\" data-end=\"730\"\u003e    • \u003cstrong data-start=\"756\" data-end=\"780\"\u003e4-Pin DTS Connection\u003c\/strong\u003e – Direct plug-in at the engine harness.\u003cbr data-start=\"820\" data-end=\"823\"\u003e    • \u003cstrong data-start=\"849\" data-end=\"873\"\u003eAnalog Gauge Outputs\u003c\/strong\u003e – Trim, coolant temp, oil PSI, tach.\u003cbr data-start=\"910\" data-end=\"913\"\u003e    • \u003cstrong data-start=\"939\" data-end=\"959\"\u003eFlexible Routing\u003c\/strong\u003e – Ideal for consoles set farther forward.\u003cbr data-start=\"1001\" data-end=\"1004\"\u003e    • \u003cstrong data-start=\"1030\" data-end=\"1049\"\u003eOEM Wire Colors\u003c\/strong\u003e – Matches Mercury’s factory layout for clean rigging.\u003c\/p\u003e\n\u003chr data-start=\"1105\" data-end=\"1108\"\u003e\n\u003cp data-start=\"1110\" data-end=\"1315\"\u003e\u003cstrong data-start=\"1110\" data-end=\"1141\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1141\" data-end=\"1144\"\u003e    • DTS outboards\u003cbr data-start=\"1183\" data-end=\"1186\"\u003e    • DTS V6 \/ V8 outboards\u003cbr data-start=\"1233\" data-end=\"1236\"\u003e    • DTS MCM 4.5L\u003cbr data-start=\"1274\" data-end=\"1277\"\u003e    • DTS MCM 6.2L\u003c\/p\u003e\n\u003chr data-start=\"1317\" data-end=\"1320\"\u003e\n\u003cp data-start=\"1322\" data-end=\"1695\"\u003e\u003cstrong data-start=\"1322\" data-end=\"1358\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1358\" data-end=\"1361\"\u003eThe combined harness length makes routing easier on bigger boats or layouts where the dash sits a long way from the motor. It creates a clean, uninterrupted path for analog signals, which helps the gauges behave predictably. If your old harness is short, stiff, or causing intermittent readings, this setup smooths things out quickly.\u003c\/p\u003e\n\u003chr data-start=\"1697\" data-end=\"1700\"\u003e\n\u003cp data-start=\"1702\" data-end=\"1987\"\u003e\u003cstrong data-start=\"1702\" data-end=\"1717\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1717\" data-end=\"1720\"\u003eOEM DTS wiring follows Mercury’s exact pinout and uses connectors that stay tight, even when the boat’s bouncing around. Off-brand harnesses can cause odd gauge behavior or loose-fit issues. With OEM, the readings stay steady and troubleshooting becomes a lot easier.\u003c\/p\u003e\n\u003chr data-start=\"1989\" data-end=\"1992\"\u003e\n\u003cp data-start=\"1994\" data-end=\"2164\"\u003e\u003cstrong data-start=\"1994\" data-end=\"2001\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"2001\" data-end=\"2004\"\u003e\u003cstrong data-start=\"2004\" data-end=\"2051\"\u003e1. How do I know this is the right harness?\u003c\/strong\u003e\u003cbr data-start=\"2051\" data-end=\"2054\"\u003eIf you have a DTS engine with analog gauges and need more rigging length, this is the correct extension kit.\u003c\/p\u003e\n\u003cp data-start=\"2166\" data-end=\"2266\"\u003e\u003cstrong data-start=\"2166\" data-end=\"2204\"\u003e2. Does it support digital gauges?\u003c\/strong\u003e\u003cbr data-start=\"2204\" data-end=\"2207\"\u003eNo—this setup feeds analog trim, tach, temp, and oil PSI.\u003c\/p\u003e\n\u003cp data-start=\"2268\" data-end=\"2361\"\u003e\u003cstrong data-start=\"2268\" data-end=\"2301\"\u003e3. Can I shorten the harness?\u003c\/strong\u003e\u003cbr data-start=\"2301\" data-end=\"2304\"\u003eIt’s not recommended—extra length can be coiled neatly.\u003c\/p\u003e\n\u003cp data-start=\"2363\" data-end=\"2469\"\u003e\u003cstrong data-start=\"2363\" data-end=\"2392\"\u003e4. Is installation tough?\u003c\/strong\u003e\u003cbr data-start=\"2392\" data-end=\"2395\"\u003eNo—plug it into the engine, route the extension, and connect the gauges.\u003c\/p\u003e\n\u003cp data-start=\"2471\" data-end=\"2590\"\u003e\u003cstrong data-start=\"2471\" data-end=\"2523\"\u003e5. What symptoms point to a failing old harness?\u003c\/strong\u003e\u003cbr data-start=\"2523\" data-end=\"2526\"\u003eJumping needles, dead gauges, slow response, or random dropouts.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935993516323,"sku":"84-8M0150477","price":37.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV725522.jpg?v=1720534520"},{"product_id":"mercury-harness-aps-72-inches-84-8m0149025","title":"Mercury Harness - APS 72 Inches - 84-8M0149025","description":"\u003cp\u003eMercury Harness - APS 72 Inches - 84-8M0149025\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935994794275,"sku":"84-8M0149025","price":49.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV725239.jpg?v=1698795683"},{"product_id":"mercury-harness-power-steering-singal-8m0138676","title":"Mercury - Harness - Power Steering - Singal - 8M0138676","description":"\u003cp\u003eMercury - Harness - Power Steering - Singal - 8M0138676\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935998759203,"sku":"84-8M0138676","price":19.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV719730.jpg?v=1698795699"},{"product_id":"mercury-harness-instrm-3f-84-8m0138593","title":"Mercury – SmartCraft Extension Harness | 3-Foot 10-Pin Extension | 84-8M0138593","description":"\u003cp data-start=\"0\" data-end=\"83\"\u003e\u003cstrong data-start=\"0\" data-end=\"83\"\u003eMercury – SmartCraft Extension Harness | 3-Foot 10-Pin Extension | 84-8M0138593\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"85\" data-end=\"88\"\u003e\n\u003cp data-start=\"90\" data-end=\"102\"\u003e\u003cstrong data-start=\"90\" data-end=\"102\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"104\" data-end=\"493\"\u003eSometimes a SmartCraft connector just needs a little more reach to land cleanly at the helm or junction box. The Mercury 84-8M0138593 Extension Harness adds a simple three feet of length to any 10-pin SmartCraft connection, giving you the extra slack needed to route cables without stretching or forcing tight bends. It keeps the network clean, organized, and easier to rig in tight spots.\u003c\/p\u003e\n\u003chr data-start=\"495\" data-end=\"498\"\u003e\n\u003cp data-start=\"500\" data-end=\"516\"\u003e\u003cstrong data-start=\"500\" data-end=\"516\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"520\" data-end=\"610\"\u003e\n\u003cstrong data-start=\"520\" data-end=\"542\"\u003e3-Foot Extension –\u003c\/strong\u003e Adds a short, practical length to tight SmartCraft routing paths.\u003c\/li\u003e\n\u003cli data-start=\"613\" data-end=\"714\"\u003e\n\u003cstrong data-start=\"613\" data-end=\"649\"\u003eFully Populated 10-Pin Harness –\u003c\/strong\u003e All ten pins are active for complete SmartCraft communication.\u003c\/li\u003e\n\u003cli data-start=\"717\" data-end=\"813\"\u003e\n\u003cstrong data-start=\"717\" data-end=\"745\"\u003ePlug-In OEM Connectors –\u003c\/strong\u003e Uses factory SmartCraft ends for a secure, proper-fit connection.\u003c\/li\u003e\n\u003cli data-start=\"816\" data-end=\"920\"\u003e\n\u003cstrong data-start=\"816\" data-end=\"842\"\u003eFlexible Rigging Use –\u003c\/strong\u003e Ideal for short-distance extensions behind consoles or near junction boxes.\u003c\/li\u003e\n\u003cli data-start=\"923\" data-end=\"1013\"\u003e\n\u003cstrong data-start=\"923\" data-end=\"949\"\u003eStable Data Transfer –\u003c\/strong\u003e Maintains reliable CAN communication across the added length.\u003c\/li\u003e\n\u003cli data-start=\"1016\" data-end=\"1104\"\u003e\n\u003cstrong data-start=\"1016\" data-end=\"1040\"\u003eMarine-Ready Cable –\u003c\/strong\u003e Built to handle vibration, heat, and long-term helm exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1106\" data-end=\"1109\"\u003e\n\u003cp data-start=\"1111\" data-end=\"1128\"\u003e\u003cstrong data-start=\"1111\" data-end=\"1128\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1132\" data-end=\"1161\"\u003e10-pin SmartCraft harnesses\u003c\/li\u003e\n\u003cli data-start=\"1164\" data-end=\"1191\"\u003eSmartCraft junction boxes\u003c\/li\u003e\n\u003cli data-start=\"1194\" data-end=\"1232\"\u003eSmartCraft CAN P network connections\u003c\/li\u003e\n\u003cli data-start=\"1235\" data-end=\"1274\"\u003eEngine and helm SmartCraft interfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1276\" data-end=\"1279\"\u003e\n\u003cp data-start=\"1281\" data-end=\"1317\"\u003e\u003cstrong data-start=\"1281\" data-end=\"1317\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1319\" data-end=\"1681\"\u003eThis extension makes SmartCraft routing easier, especially in tight helm spaces or rigs where the original cable comes up a little short. The fully populated 10-pin design ensures every SmartCraft function passes through cleanly without data loss. It’s flexible enough to snake through narrow passages and sturdy enough to handle everyday vibration and movement.\u003c\/p\u003e\n\u003chr data-start=\"1683\" data-end=\"1686\"\u003e\n\u003cp data-start=\"1688\" data-end=\"1703\"\u003e\u003cstrong data-start=\"1688\" data-end=\"1703\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1705\" data-end=\"2033\"\u003eSmartCraft networking relies on accurate pin alignment and proper shielding. Mercury’s OEM extension harness preserves signal quality and fits securely, preventing the loose connections and intermittent faults common with aftermarket pieces. The factory build ensures long-term reliability and cleaner diagnostics down the road.\u003c\/p\u003e\n\u003chr data-start=\"2035\" data-end=\"2038\"\u003e\n\u003cp data-start=\"2040\" data-end=\"2047\"\u003e\u003cstrong data-start=\"2040\" data-end=\"2047\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2049\" data-end=\"2204\"\u003e\u003cstrong data-start=\"2049\" data-end=\"2097\"\u003eQ1: When should I use this 3-foot extension?\u003c\/strong\u003e\u003cbr data-start=\"2097\" data-end=\"2100\"\u003eWhenever a SmartCraft connector needs a little more distance to reach a junction box or helm connection.\u003c\/p\u003e\n\u003cp data-start=\"2206\" data-end=\"2331\"\u003e\u003cstrong data-start=\"2206\" data-end=\"2256\"\u003eQ2: Does the extension affect SmartCraft data?\u003c\/strong\u003e\u003cbr data-start=\"2256\" data-end=\"2259\"\u003eNo. The fully populated 10-pin design maintains clean CAN communication.\u003c\/p\u003e\n\u003cp data-start=\"2333\" data-end=\"2464\"\u003e\u003cstrong data-start=\"2333\" data-end=\"2385\"\u003eQ3: Can this be used with any SmartCraft device?\u003c\/strong\u003e\u003cbr data-start=\"2385\" data-end=\"2388\"\u003eYes. It supports any connection that uses a standard 10-pin SmartCraft plug.\u003c\/p\u003e\n\u003cp data-start=\"2466\" data-end=\"2581\"\u003e\u003cstrong data-start=\"2466\" data-end=\"2500\"\u003eQ4: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2500\" data-end=\"2503\"\u003eNo. It plugs inline with the existing harness and routes like any other cable.\u003c\/p\u003e\n\u003cp data-start=\"2583\" data-end=\"2705\"\u003e\u003cstrong data-start=\"2583\" data-end=\"2626\"\u003eQ5: Is it suitable for saltwater boats?\u003c\/strong\u003e\u003cbr data-start=\"2626\" data-end=\"2629\"\u003eYes. The OEM cable jacket and connectors are built for long-term marine use.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935998791971,"sku":"84-8M0138593","price":31.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV721646.jpg?v=1720534407"},{"product_id":"mercury-adapter-harness-84-8m0137199","title":"Mercury – Adapter Harness | Racing 350 SCI to 400R Fuel\/Paddle\/Vessel Interface | 84-8M0137199","description":"\u003cp data-start=\"0\" data-end=\"98\"\u003e\u003cstrong data-start=\"0\" data-end=\"98\"\u003eMercury – Adapter Harness | Racing 350 SCI to 400R Fuel\/Paddle\/Vessel Interface | 84-8M0137199\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"100\" data-end=\"103\"\u003e\n\u003cp data-start=\"105\" data-end=\"117\"\u003e\u003cstrong data-start=\"105\" data-end=\"117\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"119\" data-end=\"548\"\u003eRepowering from a 350 SCI to a 400R can leave you with harnesses that don’t quite match, especially around the fuel-level, paddle-wheel, and vessel-sensor connections. The Mercury 84-8M0137199 Adapter Harness makes that transition clean and straightforward. It bridges the older 350 SCI harness layout to the newer 400R interface so the sensors you already have can continue talking to the engine without rewiring the whole boat.\u003c\/p\u003e\n\u003chr data-start=\"550\" data-end=\"553\"\u003e\n\u003cp data-start=\"555\" data-end=\"571\"\u003e\u003cstrong data-start=\"555\" data-end=\"571\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"575\" data-end=\"680\"\u003e\n\u003cstrong data-start=\"575\" data-end=\"600\"\u003eSCI-to-400R Adapter –\u003c\/strong\u003e Aligns the 350 SCI harness layout with the 400R Fuel\/Paddle\/Vessel interface.\u003c\/li\u003e\n\u003cli data-start=\"683\" data-end=\"775\"\u003e\n\u003cstrong data-start=\"683\" data-end=\"713\"\u003eFuel-Level Compatibility –\u003c\/strong\u003e Ensures tank sender information reaches the 400R correctly.\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"854\"\u003e\n\u003cstrong data-start=\"778\" data-end=\"804\"\u003ePaddle-Wheel Support –\u003c\/strong\u003e Carries paddle-wheel speed input when equipped.\u003c\/li\u003e\n\u003cli data-start=\"857\" data-end=\"960\"\u003e\n\u003cstrong data-start=\"857\" data-end=\"881\"\u003eVessel Sensor Link –\u003c\/strong\u003e Allows existing vessel-sensor data to integrate with the newer 400R rigging.\u003c\/li\u003e\n\u003cli data-start=\"963\" data-end=\"1054\"\u003e\n\u003cstrong data-start=\"963\" data-end=\"984\"\u003ePlug-In OEM Fit –\u003c\/strong\u003e Factory connectors provide a clean, direct, no-splice installation.\u003c\/li\u003e\n\u003cli data-start=\"1057\" data-end=\"1145\"\u003e\n\u003cstrong data-start=\"1057\" data-end=\"1085\"\u003eRigging Simplification –\u003c\/strong\u003e Eliminates guesswork during repowers or harness upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1147\" data-end=\"1150\"\u003e\n\u003cp data-start=\"1152\" data-end=\"1169\"\u003e\u003cstrong data-start=\"1152\" data-end=\"1169\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1173\" data-end=\"1197\"\u003eMercury Racing 350 SCI\u003c\/li\u003e\n\u003cli data-start=\"1200\" data-end=\"1221\"\u003eMercury Racing 400R\u003c\/li\u003e\n\u003cli data-start=\"1224\" data-end=\"1283\"\u003eFuel, paddle-wheel, and vessel-sensor harness connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1285\" data-end=\"1288\"\u003e\n\u003cp data-start=\"1290\" data-end=\"1326\"\u003e\u003cstrong data-start=\"1290\" data-end=\"1326\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1328\" data-end=\"1704\"\u003eThis harness smooths out one of the trickiest parts of jumping from a 350 SCI to a 400R—getting all the sensors to communicate the way they should. It keeps your existing fuel-level, paddle-wheel, and vessel-sensor wiring in play, saving time and avoiding unnecessary modifications. Once installed, the system behaves naturally, and the helm displays get the data they expect.\u003c\/p\u003e\n\u003chr data-start=\"1706\" data-end=\"1709\"\u003e\n\u003cp data-start=\"1711\" data-end=\"1726\"\u003e\u003cstrong data-start=\"1711\" data-end=\"1726\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1728\" data-end=\"2063\"\u003eRacing engines depend on precise sensor communication, and Mercury’s OEM connectors are built for the exact pin alignment and shielding these systems require. Aftermarket adapters often cause noise in the signal or fail under vibration. The factory harness fits right, holds tight, and keeps your data steady at every throttle setting.\u003c\/p\u003e\n\u003chr data-start=\"2065\" data-end=\"2068\"\u003e\n\u003cp data-start=\"2070\" data-end=\"2077\"\u003e\u003cstrong data-start=\"2070\" data-end=\"2077\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2079\" data-end=\"2238\"\u003e\u003cstrong data-start=\"2079\" data-end=\"2115\"\u003eQ1: When do I need this adapter?\u003c\/strong\u003e\u003cbr data-start=\"2115\" data-end=\"2118\"\u003eWhen upgrading from a 350 SCI to a 400R and you want to retain the existing fuel, paddle-wheel, or vessel-sensor wiring.\u003c\/p\u003e\n\u003cp data-start=\"2240\" data-end=\"2356\"\u003e\u003cstrong data-start=\"2240\" data-end=\"2287\"\u003eQ2: Does this harness add any new features?\u003c\/strong\u003e\u003cbr data-start=\"2287\" data-end=\"2290\"\u003eNo. It simply adapts your current sensors to the 400R’s interface.\u003c\/p\u003e\n\u003cp data-start=\"2358\" data-end=\"2444\"\u003e\u003cstrong data-start=\"2358\" data-end=\"2400\"\u003eQ3: Will it affect engine performance?\u003c\/strong\u003e\u003cbr data-start=\"2400\" data-end=\"2403\"\u003eNo. It only manages sensor communication.\u003c\/p\u003e\n\u003cp data-start=\"2446\" data-end=\"2541\"\u003e\u003cstrong data-start=\"2446\" data-end=\"2482\"\u003eQ4: Is installation complicated?\u003c\/strong\u003e\u003cbr data-start=\"2482\" data-end=\"2485\"\u003eNo. It’s a plug-in adapter using OEM Mercury connectors.\u003c\/p\u003e\n\u003cp data-start=\"2543\" data-end=\"2668\"\u003e\u003cstrong data-start=\"2543\" data-end=\"2579\"\u003eQ5: Can it withstand racing use?\u003c\/strong\u003e\u003cbr data-start=\"2579\" data-end=\"2582\"\u003eYes. It’s made for the vibration, heat, and movement typical of high-performance rigs.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935999512867,"sku":"84-8M0137199","price":35.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV722318.jpg?v=1720534422"},{"product_id":"mercury-ext-harness-25-ft-84-8m0101643","title":"Mercury – SmartTow Engine-to-Helm Harness | 25-Foot Connection Cable | 84-8M0101643","description":"\u003cp data-start=\"0\" data-end=\"87\"\u003e\u003cstrong data-start=\"0\" data-end=\"87\"\u003eMercury – SmartTow Engine-to-Helm Harness | 25-Foot Connection Cable | 84-8M0101643\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"89\" data-end=\"92\"\u003e\n\u003cp data-start=\"94\" data-end=\"106\"\u003e\u003cstrong data-start=\"94\" data-end=\"106\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"108\" data-end=\"563\"\u003eSmartTow and Cruise rely on a clean, dependable path between the engine and the helm. The Mercury 84-8M0101643 Engine-to-Helm Harness provides that link for mechanical-control MerCruiser gas engines, giving the helm kit the communication it needs to manage towing profiles and steady-speed operation. With this harness in place, the whole system feels more consistent, and the driver can focus on the rider instead of constantly chasing throttle position.\u003c\/p\u003e\n\u003chr data-start=\"565\" data-end=\"568\"\u003e\n\u003cp data-start=\"570\" data-end=\"586\"\u003e\u003cstrong data-start=\"570\" data-end=\"586\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"590\" data-end=\"705\"\u003e\n\u003cstrong data-start=\"590\" data-end=\"623\"\u003eSmartTow Communication Link –\u003c\/strong\u003e Carries the data needed for Cruise and SmartTow features on mechanical engines.\u003c\/li\u003e\n\u003cli data-start=\"708\" data-end=\"811\"\u003e\n\u003cstrong data-start=\"708\" data-end=\"728\"\u003e25-Foot Length –\u003c\/strong\u003e Provides extended reach for boats with longer rigging runs or aft-mounted helms.\u003c\/li\u003e\n\u003cli data-start=\"814\" data-end=\"942\"\u003e\n\u003cstrong data-start=\"814\" data-end=\"852\"\u003eMechanical Control Compatibility –\u003c\/strong\u003e Designed for marine-specific MerCruiser gas engines with mechanical throttle and shift.\u003c\/li\u003e\n\u003cli data-start=\"945\" data-end=\"1036\"\u003e\n\u003cstrong data-start=\"945\" data-end=\"971\"\u003eSingle-Engine Design –\u003c\/strong\u003e Built exclusively for one-engine Cruise\/SmartTow applications.\u003c\/li\u003e\n\u003cli data-start=\"1039\" data-end=\"1143\"\u003e\n\u003cstrong data-start=\"1039\" data-end=\"1067\"\u003eOEM Plug-In Connectors –\u003c\/strong\u003e Ensures a hassle-free installation with secure factory-style connections.\u003c\/li\u003e\n\u003cli data-start=\"1146\" data-end=\"1256\"\u003e\n\u003cstrong data-start=\"1146\" data-end=\"1174\"\u003eStable Signal Transfer –\u003c\/strong\u003e Maintains clean, reliable communication between the helm kit and engine module.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1258\" data-end=\"1261\"\u003e\n\u003cp data-start=\"1263\" data-end=\"1294\"\u003e\u003cstrong data-start=\"1263\" data-end=\"1294\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1298\" data-end=\"1349\"\u003eMarine-specific MerCruiser mechanical gas engines\u003c\/li\u003e\n\u003cli data-start=\"1352\" data-end=\"1380\"\u003eSingle-engine applications\u003c\/li\u003e\n\u003cli data-start=\"1383\" data-end=\"1433\"\u003eBoats equipped with Cruise or SmartTow helm kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1435\" data-end=\"1438\"\u003e\n\u003cp data-start=\"1440\" data-end=\"1476\"\u003e\u003cstrong data-start=\"1440\" data-end=\"1476\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1478\" data-end=\"1982\"\u003eThis extended-length harness gives drivers the consistent communication SmartTow depends on, especially in boats with more complex rigging routes. With a solid link between the helm and the engine, pull-ups feel smoother, and speed control becomes more predictable—something every tow-sport driver appreciates. The extra length allows for cleaner routing, fewer tight bends, and an overall easier installation in larger runabouts or tow boats. Once routed and secured, the system communicates seamlessly.\u003c\/p\u003e\n\u003chr data-start=\"1984\" data-end=\"1987\"\u003e\n\u003cp data-start=\"1989\" data-end=\"2004\"\u003e\u003cstrong data-start=\"1989\" data-end=\"2004\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2006\" data-end=\"2398\"\u003eSmartTow requires precise signal behavior, and Mercury’s OEM harness is built to match the exact electrical layout of the engine and helm kit. Aftermarket harnesses often introduce false signals or intermittent communication, which leads to inconsistent towing performance. The OEM design maintains clarity, reliability, and long-term durability with factory-correct connectors and shielding.\u003c\/p\u003e\n\u003chr data-start=\"2400\" data-end=\"2403\"\u003e\n\u003cp data-start=\"2405\" data-end=\"2412\"\u003e\u003cstrong data-start=\"2405\" data-end=\"2412\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2414\" data-end=\"2626\"\u003e\u003cstrong data-start=\"2414\" data-end=\"2493\"\u003eQ1: When would I choose the 25-foot harness instead of the 20-foot version?\u003c\/strong\u003e\u003cbr data-start=\"2493\" data-end=\"2496\"\u003eIf your boat has a longer run from the engine bay to the helm or routing obstacles, the extra length ensures a clean installation.\u003c\/p\u003e\n\u003cp data-start=\"2628\" data-end=\"2788\"\u003e\u003cstrong data-start=\"2628\" data-end=\"2675\"\u003eQ2: Does this harness change throttle feel?\u003c\/strong\u003e\u003cbr data-start=\"2675\" data-end=\"2678\"\u003eNo. It only carries SmartTow and Cruise communication signals and does not alter mechanical throttle behavior.\u003c\/p\u003e\n\u003cp data-start=\"2790\" data-end=\"2925\"\u003e\u003cstrong data-start=\"2790\" data-end=\"2845\"\u003eQ3: Is any programming required after installation?\u003c\/strong\u003e\u003cbr data-start=\"2845\" data-end=\"2848\"\u003eNo. Once connected, the SmartTow system recognizes the harness automatically.\u003c\/p\u003e\n\u003cp data-start=\"2927\" data-end=\"3039\"\u003e\u003cstrong data-start=\"2927\" data-end=\"2981\"\u003eQ4: Can this harness be used on twin-engine boats?\u003c\/strong\u003e\u003cbr data-start=\"2981\" data-end=\"2984\"\u003eNo. It is intended for single-engine applications only.\u003c\/p\u003e\n\u003cp data-start=\"3041\" data-end=\"3182\"\u003e\u003cstrong data-start=\"3041\" data-end=\"3095\"\u003eQ5: Can it handle humid or saltwater environments?\u003c\/strong\u003e\u003cbr data-start=\"3095\" data-end=\"3098\"\u003eYes. The connectors and jacket materials are designed for long-term marine exposure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936005116195,"sku":"84-8M0101643","price":51.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV509989.jpg?v=1698795732"},{"product_id":"mercury-ext-harness-20-ft-84-8m0101642","title":"Mercury – SmartTow Engine-to-Helm Harness | 20-Foot Connection Cable | 84-8M0101642","description":"\u003cp data-start=\"0\" data-end=\"87\"\u003e\u003cstrong data-start=\"0\" data-end=\"87\"\u003eMercury – SmartTow Engine-to-Helm Harness | 20-Foot Connection Cable | 84-8M0101642\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"89\" data-end=\"92\"\u003e\n\u003cp data-start=\"94\" data-end=\"106\"\u003e\u003cstrong data-start=\"94\" data-end=\"106\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"108\" data-end=\"585\"\u003eSmartTow and Cruise only work as well as the connection between the engine and the helm, and this harness is the link that makes the whole system communicate. The Mercury 84-8M0101642 Engine-to-Helm Harness provides the clean, reliable pathway needed for SmartTow functions on mechanical-control MerCruiser gas engines. Once installed, the helm kit and engine stay in sync, giving the driver smooth pull-ups, steady speeds, and a towing setup that feels modern and predictable.\u003c\/p\u003e\n\u003chr data-start=\"587\" data-end=\"590\"\u003e\n\u003cp data-start=\"592\" data-end=\"608\"\u003e\u003cstrong data-start=\"592\" data-end=\"608\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"612\" data-end=\"730\"\u003e\n\u003cstrong data-start=\"612\" data-end=\"645\"\u003eSmartTow Communication Link –\u003c\/strong\u003e Connects the engine to the SmartTow\/Cruise helm kit for full towing functionality.\u003c\/li\u003e\n\u003cli data-start=\"733\" data-end=\"833\"\u003e\n\u003cstrong data-start=\"733\" data-end=\"753\"\u003e20-Foot Length –\u003c\/strong\u003e Provides enough reach for most single-engine runabouts and tow-sport layouts.\u003c\/li\u003e\n\u003cli data-start=\"836\" data-end=\"954\"\u003e\n\u003cstrong data-start=\"836\" data-end=\"873\"\u003eMechanical Engine Compatibility –\u003c\/strong\u003e Designed specifically for mechanical-throttle MerCruiser gas engine platforms.\u003c\/li\u003e\n\u003cli data-start=\"957\" data-end=\"1031\"\u003e\n\u003cstrong data-start=\"957\" data-end=\"983\"\u003eSingle-Engine Design –\u003c\/strong\u003e Engineered for one-engine towing setups only.\u003c\/li\u003e\n\u003cli data-start=\"1034\" data-end=\"1123\"\u003e\n\u003cstrong data-start=\"1034\" data-end=\"1053\"\u003eClean OEM Fit –\u003c\/strong\u003e Uses factory-style connectors for a reliable, plug-in installation.\u003c\/li\u003e\n\u003cli data-start=\"1126\" data-end=\"1230\"\u003e\n\u003cstrong data-start=\"1126\" data-end=\"1154\"\u003eStable Signal Transfer –\u003c\/strong\u003e Ensures smooth data flow between the engine control module and helm unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1232\" data-end=\"1235\"\u003e\n\u003cp data-start=\"1237\" data-end=\"1268\"\u003e\u003cstrong data-start=\"1237\" data-end=\"1268\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1272\" data-end=\"1323\"\u003eMarine-specific MerCruiser mechanical gas engines\u003c\/li\u003e\n\u003cli data-start=\"1326\" data-end=\"1377\"\u003eSingle-engine tow-sport and runabout applications\u003c\/li\u003e\n\u003cli data-start=\"1380\" data-end=\"1432\"\u003eSystems equipped with SmartTow or Cruise helm kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1434\" data-end=\"1437\"\u003e\n\u003cp data-start=\"1439\" data-end=\"1475\"\u003e\u003cstrong data-start=\"1439\" data-end=\"1475\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1477\" data-end=\"1992\"\u003eThis harness delivers the stable communication SmartTow depends on. With a solid connection between the helm and the engine, pull-ups feel consistent, and speed control becomes easier for the driver to hold steady—even in turns or light chop. The 20-foot length offers enough flexibility for straightforward routing, and the factory connectors reduce troubleshooting and wiring guesswork. Once installed, the whole SmartTow system responds more predictably, making towing smoother for both the driver and the rider.\u003c\/p\u003e\n\u003chr data-start=\"1994\" data-end=\"1997\"\u003e\n\u003cp data-start=\"1999\" data-end=\"2014\"\u003e\u003cstrong data-start=\"1999\" data-end=\"2014\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2016\" data-end=\"2439\"\u003eSmartTow requires precise communication between the helm kit and the engine’s control module. Mercury’s OEM harness is built to match the exact pin layout, signal behavior, and shielding needed for clean data transfer. Aftermarket harnesses often introduce noise or poor connections, which can create inconsistent towing performance. The OEM version installs easily and maintains reliable communication season after season.\u003c\/p\u003e\n\u003chr data-start=\"2441\" data-end=\"2444\"\u003e\n\u003cp data-start=\"2446\" data-end=\"2453\"\u003e\u003cstrong data-start=\"2446\" data-end=\"2453\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2455\" data-end=\"2660\"\u003e\u003cstrong data-start=\"2455\" data-end=\"2500\"\u003eQ1: How do I know if I need this harness?\u003c\/strong\u003e\u003cbr data-start=\"2500\" data-end=\"2503\"\u003eIf you’re adding SmartTow or Cruise to a mechanical-throttle MerCruiser gas engine, this harness is required for the helm kit to communicate with the engine.\u003c\/p\u003e\n\u003cp data-start=\"2662\" data-end=\"2815\"\u003e\u003cstrong data-start=\"2662\" data-end=\"2709\"\u003eQ2: Does the 20-foot length fit most boats?\u003c\/strong\u003e\u003cbr data-start=\"2709\" data-end=\"2712\"\u003eYes. It’s designed to reach cleanly from the transom area to the helm on typical single-engine layouts.\u003c\/p\u003e\n\u003cp data-start=\"2817\" data-end=\"2981\"\u003e\u003cstrong data-start=\"2817\" data-end=\"2876\"\u003eQ3: Will this harness affect normal throttle operation?\u003c\/strong\u003e\u003cbr data-start=\"2876\" data-end=\"2879\"\u003eNo. It only carries SmartTow and Cruise communication—your mechanical throttle feel remains unchanged.\u003c\/p\u003e\n\u003cp data-start=\"2983\" data-end=\"3092\"\u003e\u003cstrong data-start=\"2983\" data-end=\"3033\"\u003eQ4: Can this harness be used for twin engines?\u003c\/strong\u003e\u003cbr data-start=\"3033\" data-end=\"3036\"\u003eNo. It is built strictly for single-engine applications.\u003c\/p\u003e\n\u003cp data-start=\"3094\" data-end=\"3255\"\u003e\u003cstrong data-start=\"3094\" data-end=\"3159\"\u003eQ5: Does the harness need any programming after installation?\u003c\/strong\u003e\u003cbr data-start=\"3159\" data-end=\"3162\"\u003eNo additional programming is required. Once connected, the system communicates automatically.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936005214499,"sku":"84-8M0101642","price":45.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV511445.jpg?v=1698795733"},{"product_id":"mercury-dts-engine-analog-gauge-harness-30-feet-fits-mercruiser-f-4-5l-6-2l-84-8m0095828","title":"Mercury – Analog Gauge Harness | DTS Engine Link | 84-8M0095828","description":"\u003cp data-start=\"0\" data-end=\"67\"\u003e\u003cstrong data-start=\"0\" data-end=\"67\"\u003eMercury – Analog Gauge Harness | DTS Engine Link | 84-8M0095828\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"69\" data-end=\"72\"\u003e\n\u003cp data-start=\"74\" data-end=\"536\"\u003e\u003cstrong data-start=\"74\" data-end=\"86\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"86\" data-end=\"89\"\u003eThis 30-foot analog gauge harness plugs straight into the engine’s 4-pin connection and gives you the four basics—trim, coolant temp, oil pressure, and tach. The long reach makes it a good match for bigger boats, long rigging runs, or consoles mounted way forward. Out on the water, it helps those gauges read smooth and steady instead of flickering or cutting out like they do with tired wiring. Simple plug-in setup, lots of length to work with.\u003c\/p\u003e\n\u003chr data-start=\"538\" data-end=\"541\"\u003e\n\u003cp data-start=\"543\" data-end=\"1032\"\u003e\u003cstrong data-start=\"543\" data-end=\"559\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"559\" data-end=\"562\"\u003e    • \u003cstrong data-start=\"588\" data-end=\"605\"\u003e30 ft Harness\u003c\/strong\u003e – Ideal for extended rigging paths and large layouts.\u003cbr data-start=\"659\" data-end=\"662\"\u003e    • \u003cstrong data-start=\"688\" data-end=\"709\"\u003e4-Pin Engine Plug\u003c\/strong\u003e – Connects directly to DTS engine harness.\u003cbr data-start=\"752\" data-end=\"755\"\u003e    • \u003cstrong data-start=\"781\" data-end=\"799\"\u003eAnalog Outputs\u003c\/strong\u003e – Trim, tach, coolant temp, and oil PSI.\u003cbr data-start=\"840\" data-end=\"843\"\u003e    • \u003cstrong data-start=\"869\" data-end=\"888\"\u003eOEM Wire Colors\u003c\/strong\u003e – Matches Mercury’s pinout for clean routing.\u003cbr data-start=\"934\" data-end=\"937\"\u003e    • \u003cstrong data-start=\"963\" data-end=\"986\"\u003eMarine-Ready Jacket\u003c\/strong\u003e – Built to handle heat, vibration, and spray.\u003c\/p\u003e\n\u003chr data-start=\"1034\" data-end=\"1037\"\u003e\n\u003cp data-start=\"1039\" data-end=\"1244\"\u003e\u003cstrong data-start=\"1039\" data-end=\"1070\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003e    • DTS Outboards\u003cbr data-start=\"1112\" data-end=\"1115\"\u003e    • DTS V6 \/ V8 Outboards\u003cbr data-start=\"1162\" data-end=\"1165\"\u003e    • DTS MCM 4.5L\u003cbr data-start=\"1203\" data-end=\"1206\"\u003e    • DTS MCM 6.2L\u003c\/p\u003e\n\u003chr data-start=\"1246\" data-end=\"1249\"\u003e\n\u003cp data-start=\"1251\" data-end=\"1642\"\u003e\u003cstrong data-start=\"1251\" data-end=\"1287\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1287\" data-end=\"1290\"\u003eThe long harness makes routing easier on larger boats—no stretching, splicing, or awkward detours. Once connected, gauges usually calm down and read more consistently because they’re getting a clean signal instead of one filtered through old wiring. Great for fresh installs or replacing aging harnesses that have started causing intermittent readings.\u003c\/p\u003e\n\u003chr data-start=\"1644\" data-end=\"1647\"\u003e\n\u003cp data-start=\"1649\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1649\" data-end=\"1664\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1664\" data-end=\"1667\"\u003eOEM wiring fits tight, seals well, and follows Mercury’s exact layout. It handles vibration and weather far better than off-brand harnesses, which means fewer strange gauge problems down the road. With DTS rigs, sticking with OEM is almost always the safer bet.\u003c\/p\u003e\n\u003chr data-start=\"1930\" data-end=\"1933\"\u003e\n\u003cp data-start=\"1935\" data-end=\"2096\"\u003e\u003cstrong data-start=\"1935\" data-end=\"1942\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1942\" data-end=\"1945\"\u003e\u003cstrong data-start=\"1945\" data-end=\"1993\"\u003e1. How do I know this is the harness I need?\u003c\/strong\u003e\u003cbr data-start=\"1993\" data-end=\"1996\"\u003eIf your DTS engine has a 4-pin analog output and you need a long run to the dash, this is the one.\u003c\/p\u003e\n\u003cp data-start=\"2098\" data-end=\"2209\"\u003e\u003cstrong data-start=\"2098\" data-end=\"2138\"\u003e2. Does this support digital gauges?\u003c\/strong\u003e\u003cbr data-start=\"2138\" data-end=\"2141\"\u003eNo—this harness feeds analog trim, tach, temp, and oil PSI gauges.\u003c\/p\u003e\n\u003cp data-start=\"2211\" data-end=\"2328\"\u003e\u003cstrong data-start=\"2211\" data-end=\"2254\"\u003e3. Is 30 ft too much for smaller boats?\u003c\/strong\u003e\u003cbr data-start=\"2254\" data-end=\"2257\"\u003eIt can be coiled neatly, but it’s mainly intended for larger layouts.\u003c\/p\u003e\n\u003cp data-start=\"2330\" data-end=\"2436\"\u003e\u003cstrong data-start=\"2330\" data-end=\"2364\"\u003e4. Any special tools required?\u003c\/strong\u003e\u003cbr data-start=\"2364\" data-end=\"2367\"\u003eNo—plug in at the engine, route it cleanly, and hook up the gauges.\u003c\/p\u003e\n\u003cp data-start=\"2438\" data-end=\"2561\"\u003e\u003cstrong data-start=\"2438\" data-end=\"2487\"\u003e5. What are signs the old harness is failing?\u003c\/strong\u003e\u003cbr data-start=\"2487\" data-end=\"2490\"\u003eJumping needles, dead spots, or gauges that work only part of the time.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936005542179,"sku":"84-8M0095828","price":49.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/84-8m0095826_2.png?v=1698795734"},{"product_id":"mercury-dts-engine-analog-gauge-harness-20-feet-fits-mercruiser-4-5l-6-2l-84-8m0095826","title":"Mercury – Analog Gauge Harness | DTS Engine Link | 84-8M0095826","description":"\u003cp data-start=\"0\" data-end=\"67\"\u003e\u003cstrong data-start=\"0\" data-end=\"67\"\u003eMercury – Analog Gauge Harness | DTS Engine Link | 84-8M0095826\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"69\" data-end=\"72\"\u003e\n\u003cp data-start=\"74\" data-end=\"517\"\u003e\u003cstrong data-start=\"74\" data-end=\"86\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"86\" data-end=\"89\"\u003eThis 20-foot analog gauge harness plugs straight into the engine’s 4-pin lead and sends clean signals for trim, coolant temp, oil pressure, and tach. The extra length makes it a good fit for larger boats or consoles mounted farther forward. On the water, it helps the gauges stay steady and cuts out the flicker or dropouts you get with old or stretched wiring. Simple hookup, long reach, and built specifically for DTS engines.\u003c\/p\u003e\n\u003chr data-start=\"519\" data-end=\"522\"\u003e\n\u003cp data-start=\"524\" data-end=\"1019\"\u003e\u003cstrong data-start=\"524\" data-end=\"540\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"540\" data-end=\"543\"\u003e    • \u003cstrong data-start=\"569\" data-end=\"586\"\u003e20 ft Harness\u003c\/strong\u003e – Ideal for long rigging runs on bigger boats.\u003cbr data-start=\"633\" data-end=\"636\"\u003e    • \u003cstrong data-start=\"662\" data-end=\"688\"\u003e4-Pin Engine Connector\u003c\/strong\u003e – Direct plug-in to the DTS engine harness.\u003cbr data-start=\"732\" data-end=\"735\"\u003e    • \u003cstrong data-start=\"761\" data-end=\"779\"\u003eAnalog Outputs\u003c\/strong\u003e – Trim, coolant temp, oil PSI, and tach.\u003cbr data-start=\"820\" data-end=\"823\"\u003e    • \u003cstrong data-start=\"849\" data-end=\"868\"\u003eOEM Wire Colors\u003c\/strong\u003e – Matches Mercury’s factory layout and pin positions.\u003cbr data-start=\"922\" data-end=\"925\"\u003e    • \u003cstrong data-start=\"951\" data-end=\"977\"\u003eFlexible Marine Jacket\u003c\/strong\u003e – Handles vibration, heat, and daily use.\u003c\/p\u003e\n\u003chr data-start=\"1021\" data-end=\"1024\"\u003e\n\u003cp data-start=\"1026\" data-end=\"1231\"\u003e\u003cstrong data-start=\"1026\" data-end=\"1057\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1057\" data-end=\"1060\"\u003e    • DTS outboards\u003cbr data-start=\"1099\" data-end=\"1102\"\u003e    • DTS V6 \/ V8 outboards\u003cbr data-start=\"1149\" data-end=\"1152\"\u003e    • DTS MCM 4.5L\u003cbr data-start=\"1190\" data-end=\"1193\"\u003e    • DTS MCM 6.2L\u003c\/p\u003e\n\u003chr data-start=\"1233\" data-end=\"1236\"\u003e\n\u003cp data-start=\"1238\" data-end=\"1594\"\u003e\u003cstrong data-start=\"1238\" data-end=\"1274\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1274\" data-end=\"1277\"\u003eWith the extra length, routing is cleaner and easier—no stretching, no splicing, no awkward angles around the console. Once installed, the gauges get a stable signal right from the engine, which helps readings stay smooth and predictable. It’s a quick, reliable way to update a dash or add analog gauges to a DTS rig.\u003c\/p\u003e\n\u003chr data-start=\"1596\" data-end=\"1599\"\u003e\n\u003cp data-start=\"1601\" data-end=\"1844\"\u003e\u003cstrong data-start=\"1601\" data-end=\"1616\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1616\" data-end=\"1619\"\u003eOEM harnesses fit tighter, seal better, and follow Mercury’s wiring exactly. That means fewer gauge glitches and far less troubleshooting. Most boaters stick with OEM because DTS engines don’t play well with off-brand wiring.\u003c\/p\u003e\n\u003chr data-start=\"1846\" data-end=\"1849\"\u003e\n\u003cp data-start=\"1851\" data-end=\"2009\"\u003e\u003cstrong data-start=\"1851\" data-end=\"1858\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1858\" data-end=\"1861\"\u003e\u003cstrong data-start=\"1861\" data-end=\"1908\"\u003e1. How do I know this is the right harness?\u003c\/strong\u003e\u003cbr data-start=\"1908\" data-end=\"1911\"\u003eIf your DTS engine has a 4-pin analog output and you need a longer run, this is the correct one.\u003c\/p\u003e\n\u003cp data-start=\"2011\" data-end=\"2122\"\u003e\u003cstrong data-start=\"2011\" data-end=\"2051\"\u003e2. Does it work with digital gauges?\u003c\/strong\u003e\u003cbr data-start=\"2051\" data-end=\"2054\"\u003eNo—this harness feeds analog trim, tach, temp, and oil PSI gauges.\u003c\/p\u003e\n\u003cp data-start=\"2124\" data-end=\"2236\"\u003e\u003cstrong data-start=\"2124\" data-end=\"2165\"\u003e3. Is 20 ft too long for small boats?\u003c\/strong\u003e\u003cbr data-start=\"2165\" data-end=\"2168\"\u003eIt can be coiled neatly, but it’s mainly meant for larger layouts.\u003c\/p\u003e\n\u003cp data-start=\"2238\" data-end=\"2330\"\u003e\u003cstrong data-start=\"2238\" data-end=\"2269\"\u003e4. Do I need special tools?\u003c\/strong\u003e\u003cbr data-start=\"2269\" data-end=\"2272\"\u003eNo—plug it in, route it cleanly, and hook up the gauges.\u003c\/p\u003e\n\u003cp data-start=\"2332\" data-end=\"2439\"\u003e\u003cstrong data-start=\"2332\" data-end=\"2381\"\u003e5. What are signs the old harness is failing?\u003c\/strong\u003e\u003cbr data-start=\"2381\" data-end=\"2384\"\u003eJumping needles, dead gauges, or intermittent readings.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936005706019,"sku":"84-8M0095826","price":47.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/84-8m0095826.png?v=1698795734"},{"product_id":"mercury-dts-engine-analog-gauge-harness-15-ft-fits-mercruiser-4-5l-6-2l-84-8m0095716","title":"Mercury – Analog Gauge Harness | DTS Engine Link | 84-8M0095716","description":"\u003cp data-start=\"0\" data-end=\"67\"\u003e\u003cstrong data-start=\"0\" data-end=\"67\"\u003eMercury – Analog Gauge Harness | DTS Engine Link | 84-8M0095716\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"69\" data-end=\"72\"\u003e\n\u003cp data-start=\"74\" data-end=\"505\"\u003e\u003cstrong data-start=\"74\" data-end=\"86\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"86\" data-end=\"89\"\u003eThis 15-foot analog gauge harness plugs into the engine’s 4-pin lead and gives you clean signals for trim, coolant temp, oil pressure, and tach. The extra length makes it handy for consoles that sit farther forward or rigging paths that need more reach. On the water, it helps the gauges stay steady instead of flickering or dropping out from tired wiring. It’s a simple plug-in harness built for modern DTS engines.\u003c\/p\u003e\n\u003chr data-start=\"507\" data-end=\"510\"\u003e\n\u003cp data-start=\"512\" data-end=\"1012\"\u003e\u003cstrong data-start=\"512\" data-end=\"528\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"528\" data-end=\"531\"\u003e    • \u003cstrong data-start=\"557\" data-end=\"573\"\u003e15 ft Length\u003c\/strong\u003e – Long enough for center consoles and forward rigging runs.\u003cbr data-start=\"633\" data-end=\"636\"\u003e    • \u003cstrong data-start=\"662\" data-end=\"688\"\u003e4-Pin Engine Connector\u003c\/strong\u003e – Direct plug into the engine harness.\u003cbr data-start=\"727\" data-end=\"730\"\u003e    • \u003cstrong data-start=\"756\" data-end=\"774\"\u003eAnalog Outputs\u003c\/strong\u003e – Trim, coolant temp, oil PSI, and tach.\u003cbr data-start=\"815\" data-end=\"818\"\u003e    • \u003cstrong data-start=\"844\" data-end=\"862\"\u003eOEM Wiring Map\u003c\/strong\u003e – Uses Mercury’s correct pinout and wire colors.\u003cbr data-start=\"911\" data-end=\"914\"\u003e    • \u003cstrong data-start=\"940\" data-end=\"966\"\u003eFlexible Marine Jacket\u003c\/strong\u003e – Built to handle heat, spray, and vibration.\u003c\/p\u003e\n\u003chr data-start=\"1014\" data-end=\"1017\"\u003e\n\u003cp data-start=\"1019\" data-end=\"1224\"\u003e\u003cstrong data-start=\"1019\" data-end=\"1050\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1050\" data-end=\"1053\"\u003e    • DTS outboards\u003cbr data-start=\"1092\" data-end=\"1095\"\u003e    • DTS V6 \/ V8 outboards\u003cbr data-start=\"1142\" data-end=\"1145\"\u003e    • DTS MCM 4.5L\u003cbr data-start=\"1183\" data-end=\"1186\"\u003e    • DTS MCM 6.2L\u003c\/p\u003e\n\u003chr data-start=\"1226\" data-end=\"1229\"\u003e\n\u003cp data-start=\"1231\" data-end=\"1607\"\u003e\u003cstrong data-start=\"1231\" data-end=\"1267\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1267\" data-end=\"1270\"\u003eThe longer run gives you room to route the harness cleanly without stretching or splicing. Once installed, gauges react smoothly and hold steady because they’re getting a clean signal straight from the engine. It’s a simple way to freshen up a dash or add analog gauges to a DTS setup without dealing with extensions or patchwork wiring.\u003c\/p\u003e\n\u003chr data-start=\"1609\" data-end=\"1612\"\u003e\n\u003cp data-start=\"1614\" data-end=\"1897\"\u003e\u003cstrong data-start=\"1614\" data-end=\"1629\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1629\" data-end=\"1632\"\u003eOEM harnesses fit tight, resist vibration, and follow Mercury’s wiring layout exactly. That means fewer weird gauge issues and no guesswork with connectors or pin positions. Most boaters stick with OEM because the gauges simply behave better with the right harness.\u003c\/p\u003e\n\u003chr data-start=\"1899\" data-end=\"1902\"\u003e\n\u003cp data-start=\"1904\" data-end=\"2064\"\u003e\u003cstrong data-start=\"1904\" data-end=\"1911\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1911\" data-end=\"1914\"\u003e\u003cstrong data-start=\"1914\" data-end=\"1961\"\u003e1. How do I know this is the right harness?\u003c\/strong\u003e\u003cbr data-start=\"1961\" data-end=\"1964\"\u003eIf your DTS engine has a 4-pin analog lead and you need a longer run, this is the correct harness.\u003c\/p\u003e\n\u003cp data-start=\"2066\" data-end=\"2177\"\u003e\u003cstrong data-start=\"2066\" data-end=\"2106\"\u003e2. Does this support digital gauges?\u003c\/strong\u003e\u003cbr data-start=\"2106\" data-end=\"2109\"\u003eNo—this harness feeds analog trim, tach, temp, and oil PSI gauges.\u003c\/p\u003e\n\u003cp data-start=\"2179\" data-end=\"2296\"\u003e\u003cstrong data-start=\"2179\" data-end=\"2222\"\u003e3. Is 15 ft too long for smaller boats?\u003c\/strong\u003e\u003cbr data-start=\"2222\" data-end=\"2225\"\u003eIt can be coiled neatly, but it’s ideal for consoles farther forward.\u003c\/p\u003e\n\u003cp data-start=\"2298\" data-end=\"2390\"\u003e\u003cstrong data-start=\"2298\" data-end=\"2329\"\u003e4. Do I need special tools?\u003c\/strong\u003e\u003cbr data-start=\"2329\" data-end=\"2332\"\u003eNo—plug it in, route it cleanly, and connect the gauges.\u003c\/p\u003e\n\u003cp data-start=\"2392\" data-end=\"2493\"\u003e\u003cstrong data-start=\"2392\" data-end=\"2441\"\u003e5. What are signs the old harness is failing?\u003c\/strong\u003e\u003cbr data-start=\"2441\" data-end=\"2444\"\u003eJumping needles, dead gauges, or random dropouts.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936005738787,"sku":"84-8M0095716","price":86.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/analog_gauge_harness.png?v=1698795734"},{"product_id":"mercury-dts-engine-analog-gauge-harness-25-feet-fits-mercruiser-4-5l-6-2l-84-8m0095827","title":"Mercury – Analog Gauge Harness | DTS Engine Link | 84-8M0095827","description":"\u003cp data-start=\"0\" data-end=\"67\"\u003e\u003cstrong data-start=\"0\" data-end=\"67\"\u003eMercury – Analog Gauge Harness | DTS Engine Link | 84-8M0095827\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"69\" data-end=\"72\"\u003e\n\u003cp data-start=\"74\" data-end=\"529\"\u003e\u003cstrong data-start=\"74\" data-end=\"86\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"86\" data-end=\"89\"\u003eThis 25-foot analog gauge harness plugs right into the engine’s 4-pin lead and gives you clean signals for trim, coolant temp, oil pressure, and tach. The extra length makes it a solid choice for bigger boats, longer rigging paths, or consoles mounted well forward. On the water, it helps the gauges stay steady instead of flickering or dropping out the way old wiring sometimes does. It’s a simple, long-reach harness made for DTS engines.\u003c\/p\u003e\n\u003chr data-start=\"531\" data-end=\"534\"\u003e\n\u003cp data-start=\"536\" data-end=\"1033\"\u003e\u003cstrong data-start=\"536\" data-end=\"552\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"552\" data-end=\"555\"\u003e    • \u003cstrong data-start=\"581\" data-end=\"598\"\u003e25 ft Harness\u003c\/strong\u003e – Built for extended rigging runs on larger boats.\u003cbr data-start=\"649\" data-end=\"652\"\u003e    • \u003cstrong data-start=\"678\" data-end=\"705\"\u003e4-Pin Engine Connection\u003c\/strong\u003e – Plugs straight into the DTS engine harness.\u003cbr data-start=\"751\" data-end=\"754\"\u003e    • \u003cstrong data-start=\"780\" data-end=\"798\"\u003eAnalog Outputs\u003c\/strong\u003e – Feeds trim, coolant temp, oil PSI, and tach.\u003cbr data-start=\"845\" data-end=\"848\"\u003e    • \u003cstrong data-start=\"874\" data-end=\"893\"\u003eOEM Wire Colors\u003c\/strong\u003e – Matches Mercury’s factory pinout and layout.\u003cbr data-start=\"940\" data-end=\"943\"\u003e    • \u003cstrong data-start=\"969\" data-end=\"995\"\u003eFlexible Marine Jacket\u003c\/strong\u003e – Handles heat, spray, and vibration.\u003c\/p\u003e\n\u003chr data-start=\"1035\" data-end=\"1038\"\u003e\n\u003cp data-start=\"1040\" data-end=\"1245\"\u003e\u003cstrong data-start=\"1040\" data-end=\"1071\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1071\" data-end=\"1074\"\u003e    • DTS outboards\u003cbr data-start=\"1113\" data-end=\"1116\"\u003e    • DTS V6 \/ V8 outboards\u003cbr data-start=\"1163\" data-end=\"1166\"\u003e    • DTS MCM 4.5L\u003cbr data-start=\"1204\" data-end=\"1207\"\u003e    • DTS MCM 6.2L\u003c\/p\u003e\n\u003chr data-start=\"1247\" data-end=\"1250\"\u003e\n\u003cp data-start=\"1252\" data-end=\"1653\"\u003e\u003cstrong data-start=\"1252\" data-end=\"1288\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1288\" data-end=\"1291\"\u003eWith the extra length, routing becomes cleaner and less cramped—you can run it through bulkheads, under decks, or up to a forward console without stretching anything. Once installed, the gauges usually settle down and read more consistently because they’re getting a clean signal straight from the engine. It’s a quick upgrade when older wiring starts acting up.\u003c\/p\u003e\n\u003chr data-start=\"1655\" data-end=\"1658\"\u003e\n\u003cp data-start=\"1660\" data-end=\"1938\"\u003e\u003cstrong data-start=\"1660\" data-end=\"1675\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1675\" data-end=\"1678\"\u003eOEM harnesses hold tight, fit correctly, and follow Mercury’s wiring pattern exactly. That means fewer weird gauge issues and far less troubleshooting. DTS engines are picky about wiring, so most boaters stick with OEM to avoid chasing electrical ghosts later.\u003c\/p\u003e\n\u003chr data-start=\"1940\" data-end=\"1943\"\u003e\n\u003cp data-start=\"1945\" data-end=\"2098\"\u003e\u003cstrong data-start=\"1945\" data-end=\"1952\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1952\" data-end=\"1955\"\u003e\u003cstrong data-start=\"1955\" data-end=\"2002\"\u003e1. How do I know this is the right harness?\u003c\/strong\u003e\u003cbr data-start=\"2002\" data-end=\"2005\"\u003eIf your DTS engine uses a 4-pin analog lead and you need a long run, this is the right one.\u003c\/p\u003e\n\u003cp data-start=\"2100\" data-end=\"2205\"\u003e\u003cstrong data-start=\"2100\" data-end=\"2140\"\u003e2. Does this support digital gauges?\u003c\/strong\u003e\u003cbr data-start=\"2140\" data-end=\"2143\"\u003eNo—this harness is for analog tach, trim, temp, and oil PSI.\u003c\/p\u003e\n\u003cp data-start=\"2207\" data-end=\"2322\"\u003e\u003cstrong data-start=\"2207\" data-end=\"2248\"\u003e3. Is 25 ft too much for small boats?\u003c\/strong\u003e\u003cbr data-start=\"2248\" data-end=\"2251\"\u003eIt can be coiled neatly, but it’s mainly intended for larger layouts.\u003c\/p\u003e\n\u003cp data-start=\"2324\" data-end=\"2416\"\u003e\u003cstrong data-start=\"2324\" data-end=\"2355\"\u003e4. Do I need special tools?\u003c\/strong\u003e\u003cbr data-start=\"2355\" data-end=\"2358\"\u003eNo—plug it in, route it cleanly, and hook up the gauges.\u003c\/p\u003e\n\u003cp data-start=\"2418\" data-end=\"2529\"\u003e\u003cstrong data-start=\"2418\" data-end=\"2467\"\u003e5. What are signs the old harness is failing?\u003c\/strong\u003e\u003cbr data-start=\"2467\" data-end=\"2470\"\u003eJumping needles, dead gauges, or readings that come and go.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936006164771,"sku":"84-8M0095827","price":45.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/84-8m0095826_1.png?v=1698795737"},{"product_id":"mercury-harness-adapter-84-8m0060421","title":"Mercury – Bullet Connector Harness Adapter | 2-Pin WIF Sensor Link | 84-8M0060421","description":"\u003cp data-start=\"0\" data-end=\"85\"\u003e\u003cstrong data-start=\"0\" data-end=\"85\"\u003eMercury – Bullet Connector Harness Adapter | 2-Pin WIF Sensor Link | 84-8M0060421\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"87\" data-end=\"90\"\u003e\n\u003cp data-start=\"92\" data-end=\"104\"\u003e\u003cstrong data-start=\"92\" data-end=\"104\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"106\" data-end=\"584\"\u003eSmaller engines often use simple bullet-style connectors for their fuel and paddle harnesses, which can make it tricky to tie in a modern Water-In-Fuel (WIF) sensor. The Mercury 84-8M0060421 Bullet Connector Harness Adapter fixes that mismatch. It converts the engine’s bullet connector lead into a clean 2-pin connection so the WIF sensor can report correctly. It’s a small, practical adapter designed for 150 HP and smaller engines that only support a single fuel-level input.\u003c\/p\u003e\n\u003chr data-start=\"586\" data-end=\"589\"\u003e\n\u003cp data-start=\"591\" data-end=\"607\"\u003e\u003cstrong data-start=\"591\" data-end=\"607\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"611\" data-end=\"707\"\u003e\n\u003cstrong data-start=\"611\" data-end=\"640\"\u003eBullet-to-2-Pin Adapter –\u003c\/strong\u003e Bridges older bullet-style leads to a standard 2-pin WIF sensor.\u003c\/li\u003e\n\u003cli data-start=\"710\" data-end=\"811\"\u003e\n\u003cstrong data-start=\"710\" data-end=\"738\"\u003eMade for Small Engines –\u003c\/strong\u003e Intended for 150 HP and below that only support one fuel-level signal.\u003c\/li\u003e\n\u003cli data-start=\"814\" data-end=\"906\"\u003e\n\u003cstrong data-start=\"814\" data-end=\"835\"\u003eWIF Sensor Link –\u003c\/strong\u003e Provides the proper connection for reliable water-in-fuel detection.\u003c\/li\u003e\n\u003cli data-start=\"909\" data-end=\"998\"\u003e\n\u003cstrong data-start=\"909\" data-end=\"933\"\u003eSimple Plug-In Fit –\u003c\/strong\u003e No rewiring—just connect the bullet lead and the 2-pin sensor.\u003c\/li\u003e\n\u003cli data-start=\"1001\" data-end=\"1098\"\u003e\n\u003cstrong data-start=\"1001\" data-end=\"1028\"\u003eClean Signal Transfer –\u003c\/strong\u003e Helps ensure the WIF sensor communicates without noise or dropouts.\u003c\/li\u003e\n\u003cli data-start=\"1101\" data-end=\"1192\"\u003e\n\u003cstrong data-start=\"1101\" data-end=\"1122\"\u003eOEM-Grade Build –\u003c\/strong\u003e Mercury connectors and sheathing designed for long-term marine use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1194\" data-end=\"1197\"\u003e\n\u003cp data-start=\"1199\" data-end=\"1216\"\u003e\u003cstrong data-start=\"1199\" data-end=\"1216\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1220\" data-end=\"1256\"\u003eMercury engines 150 HP and smaller\u003c\/li\u003e\n\u003cli data-start=\"1259\" data-end=\"1306\"\u003eFuel\/paddle harnesses using bullet connectors\u003c\/li\u003e\n\u003cli data-start=\"1309\" data-end=\"1338\"\u003e2-pin Water-In-Fuel sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1340\" data-end=\"1343\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1381\"\u003e\u003cstrong data-start=\"1345\" data-end=\"1381\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1383\" data-end=\"1734\"\u003eThis adapter gives smaller engines an easy way to communicate with a modern WIF sensor. Instead of splicing or modifying the original harness, the adapter drops in cleanly and keeps the wiring organized. Once connected, the WIF sensor can report normally, giving you clearer awareness of fuel quality and helping prevent water-contamination surprises.\u003c\/p\u003e\n\u003chr data-start=\"1736\" data-end=\"1739\"\u003e\n\u003cp data-start=\"1741\" data-end=\"1756\"\u003e\u003cstrong data-start=\"1741\" data-end=\"1756\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1758\" data-end=\"2095\"\u003eWIF signals are sensitive, and a loose or mismatched connector can lead to unreliable readings. Mercury’s OEM adapter keeps the pin alignment, shielding, and fit exactly where they need to be. Off-brand adapters often loosen over time or introduce noise into the circuit. The factory version stays secure through vibration and daily use.\u003c\/p\u003e\n\u003chr data-start=\"2097\" data-end=\"2100\"\u003e\n\u003cp data-start=\"2102\" data-end=\"2109\"\u003e\u003cstrong data-start=\"2102\" data-end=\"2109\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2111\" data-end=\"2245\"\u003e\u003cstrong data-start=\"2111\" data-end=\"2147\"\u003eQ1: When is this adapter needed?\u003c\/strong\u003e\u003cbr data-start=\"2147\" data-end=\"2150\"\u003eWhen a small-horsepower engine uses bullet connectors but the WIF sensor requires a 2-pin plug.\u003c\/p\u003e\n\u003cp data-start=\"2247\" data-end=\"2363\"\u003e\u003cstrong data-start=\"2247\" data-end=\"2282\"\u003eQ2: Does this add new features?\u003c\/strong\u003e\u003cbr data-start=\"2282\" data-end=\"2285\"\u003eNo. It simply adapts the connector so the WIF sensor can communicate properly.\u003c\/p\u003e\n\u003cp data-start=\"2365\" data-end=\"2501\"\u003e\u003cstrong data-start=\"2365\" data-end=\"2415\"\u003eQ3: Is it only for engines 150 HP and smaller?\u003c\/strong\u003e\u003cbr data-start=\"2415\" data-end=\"2418\"\u003eYes. Those engines use the fuel\/paddle harness layout this adapter is designed for.\u003c\/p\u003e\n\u003cp data-start=\"2503\" data-end=\"2578\"\u003e\u003cstrong data-start=\"2503\" data-end=\"2543\"\u003eQ4: Does installation require tools?\u003c\/strong\u003e\u003cbr data-start=\"2543\" data-end=\"2546\"\u003eNo. Both sides plug in directly.\u003c\/p\u003e\n\u003cp data-start=\"2580\" data-end=\"2692\"\u003e\u003cstrong data-start=\"2580\" data-end=\"2616\"\u003eQ5: Will this work in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2616\" data-end=\"2619\"\u003eYes. The OEM materials and seals are built for harsh marine environments.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936017436963,"sku":"84-8M0060421","price":12.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV510093.jpg?v=1698795781"},{"product_id":"mercury-ext-harness-10-pn-84-8m0058668","title":"Mercury – Harness Extension (10-Pin) | 6-Foot Instrument Drop Extension | 84-8M0058668","description":"\u003cp data-start=\"0\" data-end=\"90\"\u003e\u003cstrong data-start=\"0\" data-end=\"90\"\u003eMercury – Harness Extension (10-Pin) | 6-Foot Instrument Drop Extension | 84-8M0058668\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"92\" data-end=\"95\"\u003e\n\u003cp data-start=\"97\" data-end=\"109\"\u003e\u003cstrong data-start=\"97\" data-end=\"109\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"111\" data-end=\"531\"\u003eInstrument drops can come up short fast, especially on wider consoles or when rerouting controls during a repower. The Mercury 84-8M0058668 Harness Extension gives you six extra feet on a 10-pin SmartCraft instrument drop, making it easier to reach gauges, controls, or helm devices without stretching the original harness. It installs cleanly and keeps the network tidy, even in tight or unusually shaped rigging paths.\u003c\/p\u003e\n\u003chr data-start=\"533\" data-end=\"536\"\u003e\n\u003cp data-start=\"538\" data-end=\"554\"\u003e\u003cstrong data-start=\"538\" data-end=\"554\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"558\" data-end=\"641\"\u003e\n\u003cstrong data-start=\"558\" data-end=\"580\"\u003e6-Foot Extension –\u003c\/strong\u003e Adds meaningful length to SmartCraft instrument drop runs.\u003c\/li\u003e\n\u003cli data-start=\"644\" data-end=\"733\"\u003e\n\u003cstrong data-start=\"644\" data-end=\"674\"\u003e10-Pin SmartCraft Design –\u003c\/strong\u003e Extends any standard 10-pin instrument connection point.\u003c\/li\u003e\n\u003cli data-start=\"736\" data-end=\"828\"\u003e\n\u003cstrong data-start=\"736\" data-end=\"763\"\u003eSide Mount Compatible –\u003c\/strong\u003e Works with Mercury Side Mount controls that use a 10-pin drop.\u003c\/li\u003e\n\u003cli data-start=\"831\" data-end=\"925\"\u003e\n\u003cstrong data-start=\"831\" data-end=\"857\"\u003e896537 Harness Ready –\u003c\/strong\u003e Designed to extend any 896537-series main engine or boat harness.\u003c\/li\u003e\n\u003cli data-start=\"928\" data-end=\"1011\"\u003e\n\u003cstrong data-start=\"928\" data-end=\"956\"\u003eOEM Plug-In Connectors –\u003c\/strong\u003e Factory SmartCraft ends provide a clean, secure fit.\u003c\/li\u003e\n\u003cli data-start=\"1014\" data-end=\"1107\"\u003e\n\u003cstrong data-start=\"1014\" data-end=\"1036\"\u003eStable Data Path –\u003c\/strong\u003e Maintains proper SmartCraft communication across the added distance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1109\" data-end=\"1112\"\u003e\n\u003cp data-start=\"1114\" data-end=\"1131\"\u003e\u003cstrong data-start=\"1114\" data-end=\"1131\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1135\" data-end=\"1171\"\u003e10-pin SmartCraft instrument drops\u003c\/li\u003e\n\u003cli data-start=\"1174\" data-end=\"1205\"\u003eSide Mount control harnessing\u003c\/li\u003e\n\u003cli data-start=\"1208\" data-end=\"1253\"\u003e896537-series Mercury engine\/boat harnesses\u003c\/li\u003e\n\u003cli data-start=\"1256\" data-end=\"1290\"\u003eSmartCraft CAN P network devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1292\" data-end=\"1295\"\u003e\n\u003cp data-start=\"1297\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1333\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1335\" data-end=\"1738\"\u003eThis extension makes it easier to route instrument wiring without forcing tight bends or stretching the original harness. The extra six feet gives you enough slack to reach across consoles, behind panels, or around rigging channels that weren’t designed with SmartCraft in mind. Communication stays clean, gauges respond normally, and the whole rig looks and functions better with the added flexibility.\u003c\/p\u003e\n\u003chr data-start=\"1740\" data-end=\"1743\"\u003e\n\u003cp data-start=\"1745\" data-end=\"1760\"\u003e\u003cstrong data-start=\"1745\" data-end=\"1760\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1762\" data-end=\"2114\"\u003eSmartCraft relies on precise connectors and proper shielding to avoid data noise and intermittent faults. Mercury’s OEM extension harness preserves those specs, ensuring every pin carries the correct signal without interruption. Cheaper cables often fit loosely or degrade over time, but the factory harness keeps the system stable season after season.\u003c\/p\u003e\n\u003chr data-start=\"2116\" data-end=\"2119\"\u003e\n\u003cp data-start=\"2121\" data-end=\"2128\"\u003e\u003cstrong data-start=\"2121\" data-end=\"2128\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2130\" data-end=\"2294\"\u003e\u003cstrong data-start=\"2130\" data-end=\"2180\"\u003eQ1: When would I need this six-foot extension?\u003c\/strong\u003e\u003cbr data-start=\"2180\" data-end=\"2183\"\u003eIf the existing 10-pin drop won't comfortably reach the helm or instrument panel, this extension fills the gap.\u003c\/p\u003e\n\u003cp data-start=\"2296\" data-end=\"2430\"\u003e\u003cstrong data-start=\"2296\" data-end=\"2352\"\u003eQ2: Does the added length affect SmartCraft signals?\u003c\/strong\u003e\u003cbr data-start=\"2352\" data-end=\"2355\"\u003eNo. The harness is built to carry all 10 pins cleanly across this distance.\u003c\/p\u003e\n\u003cp data-start=\"2432\" data-end=\"2574\"\u003e\u003cstrong data-start=\"2432\" data-end=\"2478\"\u003eQ3: Will it work with Side Mount controls?\u003c\/strong\u003e\u003cbr data-start=\"2478\" data-end=\"2481\"\u003eYes. It’s designed specifically to extend 10-pin drops used with Mercury Side Mount controls.\u003c\/p\u003e\n\u003cp data-start=\"2576\" data-end=\"2699\"\u003e\u003cstrong data-start=\"2576\" data-end=\"2629\"\u003eQ4: Is it compatible with older 896537 harnesses?\u003c\/strong\u003e\u003cbr data-start=\"2629\" data-end=\"2632\"\u003eYes. It extends any 896537-series main engine\/boat harness cleanly.\u003c\/p\u003e\n\u003cp data-start=\"2701\" data-end=\"2802\"\u003e\u003cstrong data-start=\"2701\" data-end=\"2732\"\u003eQ5: Is installation simple?\u003c\/strong\u003e\u003cbr data-start=\"2732\" data-end=\"2735\"\u003eYes. It plugs inline and routes like any standard SmartCraft cable.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936017568035,"sku":"84-8M0058668","price":31.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV714280.jpg?v=1698795781"},{"product_id":"mercury-harness-6-pin-84-8m0060420","title":"Mercury – 6-Pin to 2-Pin WIF Sensor Harness | Fuel\/Water Interface Lead | 84-8M0060420","description":"\u003cp data-start=\"0\" data-end=\"90\"\u003e\u003cstrong data-start=\"0\" data-end=\"90\"\u003eMercury – 6-Pin to 2-Pin WIF Sensor Harness | Fuel\/Water Interface Lead | 84-8M0060420\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"92\" data-end=\"95\"\u003e\n\u003cp data-start=\"97\" data-end=\"109\"\u003e\u003cstrong data-start=\"97\" data-end=\"109\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"111\" data-end=\"621\"\u003eWhen a boat’s tank-level reading doesn’t show up on the display, it often comes down to the engine not receiving a clean signal from the Water-In-Fuel (WIF) sensor. The Mercury 84-8M0060420 Harness fixes that gap. It connects a 6-pin engine lead to a 2-pin WIF sensor so the engine can properly detect, report, and alert for water contamination in the fuel system. It’s a simple, targeted solution meant for boats that need the WIF signal restored without adding SmartCraft fuel-level or paddle-wheel features.\u003c\/p\u003e\n\u003chr data-start=\"623\" data-end=\"626\"\u003e\n\u003cp data-start=\"628\" data-end=\"644\"\u003e\u003cstrong data-start=\"628\" data-end=\"644\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"648\" data-end=\"745\"\u003e\n\u003cstrong data-start=\"648\" data-end=\"676\"\u003e6-Pin to 2-Pin Adapter –\u003c\/strong\u003e Links the engine’s 6-pin connector to a standard 2-pin WIF sensor.\u003c\/li\u003e\n\u003cli data-start=\"748\" data-end=\"873\"\u003e\n\u003cstrong data-start=\"748\" data-end=\"776\"\u003eRestores WIF Reporting –\u003c\/strong\u003e Provides the proper signal path when the engine isn’t reading tank-level water-in-fuel status.\u003c\/li\u003e\n\u003cli data-start=\"876\" data-end=\"989\"\u003e\n\u003cstrong data-start=\"876\" data-end=\"907\"\u003eDedicated Purpose Harness –\u003c\/strong\u003e Built solely for WIF connection—no SmartCraft fuel or paddle circuits included.\u003c\/li\u003e\n\u003cli data-start=\"992\" data-end=\"1093\"\u003e\n\u003cstrong data-start=\"992\" data-end=\"1022\"\u003eClean Engine Integration –\u003c\/strong\u003e Plugs directly into the factory engine harness without modification.\u003c\/li\u003e\n\u003cli data-start=\"1096\" data-end=\"1198\"\u003e\n\u003cstrong data-start=\"1096\" data-end=\"1123\"\u003eOEM Connector Quality –\u003c\/strong\u003e Tight, corrosion-resistant Mercury connectors ensure steady signal flow.\u003c\/li\u003e\n\u003cli data-start=\"1201\" data-end=\"1290\"\u003e\n\u003cstrong data-start=\"1201\" data-end=\"1223\"\u003eRigging Friendly –\u003c\/strong\u003e Simple, compact harness that fits easily in tight rigging paths.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1292\" data-end=\"1295\"\u003e\n\u003cp data-start=\"1297\" data-end=\"1314\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1314\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1318\" data-end=\"1364\"\u003eMercury engines using a 6-pin engine harness\u003c\/li\u003e\n\u003cli data-start=\"1367\" data-end=\"1407\"\u003e2-pin Water-In-Fuel sensor connections\u003c\/li\u003e\n\u003cli data-start=\"1410\" data-end=\"1491\"\u003eBoats needing WIF signal restoration without SmartCraft fuel or paddle features\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1493\" data-end=\"1496\"\u003e\n\u003cp data-start=\"1498\" data-end=\"1534\"\u003e\u003cstrong data-start=\"1498\" data-end=\"1534\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1536\" data-end=\"1921\"\u003eThis harness gives the engine the clean WIF signal it needs so the system can alert you if water enters the fuel supply. It helps resolve missing or inconsistent tank-level WIF warnings and keeps the rigging clean by avoiding unnecessary adapters or feature-bundled harnesses. Once connected, the WIF sensor communicates normally, giving you a more reliable view of fuel-system health.\u003c\/p\u003e\n\u003chr data-start=\"1923\" data-end=\"1926\"\u003e\n\u003cp data-start=\"1928\" data-end=\"1943\"\u003e\u003cstrong data-start=\"1928\" data-end=\"1943\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1945\" data-end=\"2324\"\u003eWater-in-fuel detection is too important to trust to off-brand wiring. Mercury’s OEM harness uses the correct connectors, shielding, and pin layout so the sensor signal reaches the engine without interference. Cheaper adapters often fit loosely or introduce electrical noise—problems that lead to unreliable alarms or missed warnings. The OEM harness keeps the system dependable.\u003c\/p\u003e\n\u003chr data-start=\"2326\" data-end=\"2329\"\u003e\n\u003cp data-start=\"2331\" data-end=\"2338\"\u003e\u003cstrong data-start=\"2331\" data-end=\"2338\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2340\" data-end=\"2473\"\u003e\u003cstrong data-start=\"2340\" data-end=\"2376\"\u003eQ1: When is this harness needed?\u003c\/strong\u003e\u003cbr data-start=\"2376\" data-end=\"2379\"\u003eWhen the engine isn’t detecting the WIF sensor because a 6-pin to 2-pin connection is missing.\u003c\/p\u003e\n\u003cp data-start=\"2475\" data-end=\"2600\"\u003e\u003cstrong data-start=\"2475\" data-end=\"2542\"\u003eQ2: Does it add SmartCraft fuel-level or paddle-wheel features?\u003c\/strong\u003e\u003cbr data-start=\"2542\" data-end=\"2545\"\u003eNo. It only connects the WIF sensor—nothing additional.\u003c\/p\u003e\n\u003cp data-start=\"2602\" data-end=\"2714\"\u003e\u003cstrong data-start=\"2602\" data-end=\"2656\"\u003eQ3: Will it change engine or fuel-system behavior?\u003c\/strong\u003e\u003cbr data-start=\"2656\" data-end=\"2659\"\u003eNo. It simply restores proper WIF signal communication.\u003c\/p\u003e\n\u003cp data-start=\"2716\" data-end=\"2841\"\u003e\u003cstrong data-start=\"2716\" data-end=\"2759\"\u003eQ4: Does installation require rewiring?\u003c\/strong\u003e\u003cbr data-start=\"2759\" data-end=\"2762\"\u003eNo. It plugs directly into the existing 6-pin engine lead and the 2-pin sensor.\u003c\/p\u003e\n\u003cp data-start=\"2843\" data-end=\"2952\"\u003e\u003cstrong data-start=\"2843\" data-end=\"2885\"\u003eQ5: Is it suitable for saltwater rigs?\u003c\/strong\u003e\u003cbr data-start=\"2885\" data-end=\"2888\"\u003eYes. The OEM connectors are built for long-term marine exposure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936018026787,"sku":"84-8M0060420","price":35.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV527293.jpg?v=1698795781"},{"product_id":"mercury-harness-extension-mp-alert-50ft-84-8m0054187","title":"Mercury – MP Alert Harness Extension | 50-Foot Forward Routing Cable | 84-8M0054187","description":"\u003cp data-start=\"0\" data-end=\"87\"\u003e\u003cstrong data-start=\"0\" data-end=\"87\"\u003eMercury – MP Alert Harness Extension | 50-Foot Forward Routing Cable | 84-8M0054187\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"89\" data-end=\"92\"\u003e\n\u003cp data-start=\"94\" data-end=\"106\"\u003e\u003cstrong data-start=\"94\" data-end=\"106\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"108\" data-end=\"578\"\u003eSome boats need the MP Alert warning lights positioned far forward—well beyond the reach of standard rigging lengths. The Mercury 84-8M0054187 MP Alert Harness Extension gives you \u003cstrong data-start=\"288\" data-end=\"299\"\u003e50 feet\u003c\/strong\u003e of cable, making it the longest forward-routing option available for MP Alert installations. With this harness, you can mount a Moving Prop Alert light near the bow or along extended deck areas so swimmers, guests, and riders see the warning long before they approach the stern.\u003c\/p\u003e\n\u003chr data-start=\"580\" data-end=\"583\"\u003e\n\u003cp data-start=\"585\" data-end=\"601\"\u003e\u003cstrong data-start=\"585\" data-end=\"601\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"605\" data-end=\"718\"\u003e\n\u003cstrong data-start=\"605\" data-end=\"628\"\u003e50-Foot Extension –\u003c\/strong\u003e Maximum-length harness for boats with long rigging runs or distant bow light locations.\u003c\/li\u003e\n\u003cli data-start=\"721\" data-end=\"826\"\u003e\n\u003cstrong data-start=\"721\" data-end=\"748\"\u003ePlug-and-Play OEM Fit –\u003c\/strong\u003e Uses Mercury SmartCraft-grade connectors for a direct, reliable connection.\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"942\"\u003e\n\u003cstrong data-start=\"829\" data-end=\"861\"\u003eExpanded Safety Visibility –\u003c\/strong\u003e Allows MP Alert lights to be mounted well forward for early swimmer awareness.\u003c\/li\u003e\n\u003cli data-start=\"945\" data-end=\"1070\"\u003e\n\u003cstrong data-start=\"945\" data-end=\"978\"\u003eFlexible Routing Capability –\u003c\/strong\u003e Long enough to pass through bulkheads, under decks, and along full-length rigging chases.\u003c\/li\u003e\n\u003cli data-start=\"1073\" data-end=\"1197\"\u003e\n\u003cstrong data-start=\"1073\" data-end=\"1106\"\u003eMarine-Durable Construction –\u003c\/strong\u003e Sealed cable and connectors designed to handle spray, vibration, and harsh environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1199\" data-end=\"1202\"\u003e\n\u003cp data-start=\"1204\" data-end=\"1221\"\u003e\u003cstrong data-start=\"1204\" data-end=\"1221\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1225\" data-end=\"1286\"\u003eAll Mercury MP Alert systems using \u003cstrong data-start=\"1260\" data-end=\"1284\"\u003eoval MP Alert lights\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1289\" data-end=\"1320\"\u003eSmartCraft-compatible engines\u003c\/li\u003e\n\u003cli data-start=\"1323\" data-end=\"1401\"\u003eMP Alert add-on lights, Y-harness expansion setups, and cowl-mounted options\u003c\/li\u003e\n\u003cli data-start=\"1404\" data-end=\"1469\"\u003eBoats requiring extended bow- or deck-mounted MP Alert lighting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1471\" data-end=\"1474\"\u003e\n\u003cp data-start=\"1476\" data-end=\"1512\"\u003e\u003cstrong data-start=\"1476\" data-end=\"1512\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1514\" data-end=\"1966\"\u003eThis 50-foot harness lets you position a Moving Prop Alert light as far forward as needed—ideal for pontoons, long center consoles, cruisers, or boats with raised bow areas. The extra reach keeps the wiring tidy and prevents strain, while the MP Alert system itself continues to work automatically. Once connected, the added light flashes any time the prop is spinning, giving swimmers and riders a clear warning from more angles and greater distances.\u003c\/p\u003e\n\u003chr data-start=\"1968\" data-end=\"1971\"\u003e\n\u003cp data-start=\"1973\" data-end=\"1988\"\u003e\u003cstrong data-start=\"1973\" data-end=\"1988\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1990\" data-end=\"2411\"\u003eFor safety systems like MP Alert, clean signal transfer and watertight connections matter. Mercury’s OEM harness matches the electrical requirements of the MP Alert controller and ensures the added light operates with the correct timing and brightness. Cheaper aftermarket extensions often loosen, corrode, or cause intermittent light behavior—but the factory harness is built and sealed for long-term marine reliability.\u003c\/p\u003e\n\u003chr data-start=\"2413\" data-end=\"2416\"\u003e\n\u003cp data-start=\"2418\" data-end=\"2425\"\u003e\u003cstrong data-start=\"2418\" data-end=\"2425\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2427\" data-end=\"2615\"\u003e\u003cstrong data-start=\"2427\" data-end=\"2475\"\u003eQ1: When is the 50-foot extension necessary?\u003c\/strong\u003e\u003cbr data-start=\"2475\" data-end=\"2478\"\u003eWhen you need to mount an MP Alert light far forward—common on large pontoons, long walkaround rigs, or boats with expansive upper decks.\u003c\/p\u003e\n\u003cp data-start=\"2617\" data-end=\"2768\"\u003e\u003cstrong data-start=\"2617\" data-end=\"2672\"\u003eQ2: Will this change how the MP Alert system works?\u003c\/strong\u003e\u003cbr data-start=\"2672\" data-end=\"2675\"\u003eNo. It only extends the wiring; the system still activates automatically when the prop moves.\u003c\/p\u003e\n\u003cp data-start=\"2770\" data-end=\"2880\"\u003e\u003cstrong data-start=\"2770\" data-end=\"2822\"\u003eQ3: Can this be used with Y-harness add-on kits?\u003c\/strong\u003e\u003cbr data-start=\"2822\" data-end=\"2825\"\u003eYes. It works seamlessly with all expansion components.\u003c\/p\u003e\n\u003cp data-start=\"2882\" data-end=\"2989\"\u003e\u003cstrong data-start=\"2882\" data-end=\"2934\"\u003eQ4: Is this compatible with cowl-mounted lights?\u003c\/strong\u003e\u003cbr data-start=\"2934\" data-end=\"2937\"\u003eYes. Any oval MP Alert light can use this extension.\u003c\/p\u003e\n\u003cp data-start=\"2991\" data-end=\"3130\"\u003e\u003cstrong data-start=\"2991\" data-end=\"3025\"\u003eQ5: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"3025\" data-end=\"3028\"\u003eNo. Plug it into the MP Alert harness and route it like any long cable run—secure with clamps or ties.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936018911523,"sku":"84-8M0054187","price":59.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/84-8m005418_3.jpg?v=1698795787"},{"product_id":"mercury-harness-extension-mp-alert-30ft-84-8m0054186","title":"Mercury – MP Alert Harness Extension | 30-Foot Forward Routing Cable | 84-8M0054186","description":"\u003cp data-start=\"0\" data-end=\"87\"\u003e\u003cstrong data-start=\"0\" data-end=\"87\"\u003eMercury – MP Alert Harness Extension | 30-Foot Forward Routing Cable | 84-8M0054186\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"89\" data-end=\"92\"\u003e\n\u003cp data-start=\"94\" data-end=\"106\"\u003e\u003cstrong data-start=\"94\" data-end=\"106\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"108\" data-end=\"581\"\u003eOn larger boats—or layouts with long rigging runs—you may need extra length to bring an MP Alert light forward where swimmers, riders, or guests can see it sooner. The Mercury 84-8M0054186 MP Alert Harness Extension gives you \u003cstrong data-start=\"334\" data-end=\"345\"\u003e30 feet\u003c\/strong\u003e of reach so an MP Alert light can be mounted well ahead of the transom. It plugs directly into the MP Alert wiring, extending the system’s visibility and ensuring the Moving Prop warning is clear from multiple angles around the vessel.\u003c\/p\u003e\n\u003chr data-start=\"583\" data-end=\"586\"\u003e\n\u003cp data-start=\"588\" data-end=\"604\"\u003e\u003cstrong data-start=\"588\" data-end=\"604\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"608\" data-end=\"700\"\u003e\n\u003cstrong data-start=\"608\" data-end=\"631\"\u003e30-Foot Extension –\u003c\/strong\u003e Longest forward-routing harness option for MP Alert installations.\u003c\/li\u003e\n\u003cli data-start=\"703\" data-end=\"794\"\u003e\n\u003cstrong data-start=\"703\" data-end=\"724\"\u003ePlug-In OEM Fit –\u003c\/strong\u003e Uses SmartCraft-grade connectors for simple, reliable installation.\u003c\/li\u003e\n\u003cli data-start=\"797\" data-end=\"914\"\u003e\n\u003cstrong data-start=\"797\" data-end=\"830\"\u003eIncreased Safety Visibility –\u003c\/strong\u003e Helps place MP Alert lights farther forward so swimmers can see warnings earlier.\u003c\/li\u003e\n\u003cli data-start=\"917\" data-end=\"1040\"\u003e\n\u003cstrong data-start=\"917\" data-end=\"944\"\u003eFlexible Routing Path –\u003c\/strong\u003e Extra length makes it easier to pass through hull cavities, bulkheads, and long console runs.\u003c\/li\u003e\n\u003cli data-start=\"1043\" data-end=\"1166\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1069\"\u003eMarine-Durable Build –\u003c\/strong\u003e Sealed cable and connectors designed for long-term exposure to moisture, spray, and vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1168\" data-end=\"1171\"\u003e\n\u003cp data-start=\"1173\" data-end=\"1190\"\u003e\u003cstrong data-start=\"1173\" data-end=\"1190\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1194\" data-end=\"1252\"\u003eAll Mercury MP Alert systems using \u003cstrong data-start=\"1229\" data-end=\"1250\"\u003eoval smart lights\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1255\" data-end=\"1286\"\u003eSmartCraft-compatible engines\u003c\/li\u003e\n\u003cli data-start=\"1289\" data-end=\"1342\"\u003eMP Alert Add-A-Light and Y-harness expansion setups\u003c\/li\u003e\n\u003cli data-start=\"1345\" data-end=\"1407\"\u003eBoats requiring extended bow or forward-deck light placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1409\" data-end=\"1412\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1450\"\u003e\u003cstrong data-start=\"1414\" data-end=\"1450\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1452\" data-end=\"1946\"\u003eWhen you add a forward-mounted MP Alert light, the safety zone around your boat expands dramatically. This 30-foot harness gives you the freedom to route the wiring cleanly and securely through long rigging channels, making installation easier on pontoon boats, large center consoles, saltwater fishing rigs, and cruisers. Once connected, the light activates automatically with the rest of the MP Alert system, flashing whenever the prop is spinning so anyone near the bow gets a clear warning.\u003c\/p\u003e\n\u003chr data-start=\"1948\" data-end=\"1951\"\u003e\n\u003cp data-start=\"1953\" data-end=\"1968\"\u003e\u003cstrong data-start=\"1953\" data-end=\"1968\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1970\" data-end=\"2389\"\u003eMercury’s MP Alert system relies on exact connector fit, clean signal transfer, and robust water sealing. This OEM harness maintains that reliability, ensuring the forward light illuminates at the right time with full brightness. Aftermarket extensions often allow moisture intrusion or cause intermittent operation—but the factory harness is built specifically for Mercury’s requirements and harsh marine environments.\u003c\/p\u003e\n\u003chr data-start=\"2391\" data-end=\"2394\"\u003e\n\u003cp data-start=\"2396\" data-end=\"2403\"\u003e\u003cstrong data-start=\"2396\" data-end=\"2403\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2405\" data-end=\"2612\"\u003e\u003cstrong data-start=\"2405\" data-end=\"2453\"\u003eQ1: When should I use the 30-foot extension?\u003c\/strong\u003e\u003cbr data-start=\"2453\" data-end=\"2456\"\u003eWhen the distance from the MP Alert module to the intended light location exceeds 20 feet—common on large consoles, pontoons, or forward-deck installations.\u003c\/p\u003e\n\u003cp data-start=\"2614\" data-end=\"2769\"\u003e\u003cstrong data-start=\"2614\" data-end=\"2672\"\u003eQ2: Does this change how the MP Alert system operates?\u003c\/strong\u003e\u003cbr data-start=\"2672\" data-end=\"2675\"\u003eNo. It simply extends the wiring. The lights still activate automatically when the prop moves.\u003c\/p\u003e\n\u003cp data-start=\"2771\" data-end=\"2907\"\u003e\u003cstrong data-start=\"2771\" data-end=\"2826\"\u003eQ3: Is it compatible with all MP Alert oval lights?\u003c\/strong\u003e\u003cbr data-start=\"2826\" data-end=\"2829\"\u003eYes—any Mercury oval MP Alert light, including cowl-mounted and add-on lights.\u003c\/p\u003e\n\u003cp data-start=\"2909\" data-end=\"3031\"\u003e\u003cstrong data-start=\"2909\" data-end=\"2951\"\u003eQ4: Can this be used with a Y-harness?\u003c\/strong\u003e\u003cbr data-start=\"2951\" data-end=\"2954\"\u003eAbsolutely. It works alongside expansion components when adding extra lights.\u003c\/p\u003e\n\u003cp data-start=\"3033\" data-end=\"3143\"\u003e\u003cstrong data-start=\"3033\" data-end=\"3067\"\u003eQ5: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"3067\" data-end=\"3070\"\u003eNo. Plug in, route the harness, secure it, and the system is ready to go.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936018977059,"sku":"84-8M0054186","price":41.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/84-8m005418_2.jpg?v=1698795788"},{"product_id":"mercury-harness-extension-mp-alert-10ft-84-8m0054183","title":"Mercury – MP Alert Harness Extension | 10-Foot Forward Routing Cable | 84-8M0054183","description":"\u003cp data-start=\"0\" data-end=\"87\"\u003e\u003cstrong data-start=\"0\" data-end=\"87\"\u003eMercury – MP Alert Harness Extension | 10-Foot Forward Routing Cable | 84-8M0054183\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"89\" data-end=\"92\"\u003e\n\u003cp data-start=\"94\" data-end=\"106\"\u003e\u003cstrong data-start=\"94\" data-end=\"106\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"108\" data-end=\"524\"\u003eSome MP Alert installations require a forward-mounted light—especially on boats where swimmers or riders might approach from the bow or forward quarters. The Mercury 84-8M0054183 MP Alert Harness Extension gives you a clean, 10-foot extension to route an MP Alert light toward the front of the boat. It plugs directly into the existing MP Alert wiring and keeps the system’s warnings visible well beyond the transom.\u003c\/p\u003e\n\u003chr data-start=\"526\" data-end=\"529\"\u003e\n\u003cp data-start=\"531\" data-end=\"547\"\u003e\u003cstrong data-start=\"531\" data-end=\"547\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"551\" data-end=\"665\"\u003e\n\u003cstrong data-start=\"551\" data-end=\"582\"\u003e10-Foot Extension Harness –\u003c\/strong\u003e Adds extra length for mounting an MP Alert light toward the bow or forward deck.\u003c\/li\u003e\n\u003cli data-start=\"668\" data-end=\"782\"\u003e\n\u003cstrong data-start=\"668\" data-end=\"691\"\u003ePlug-and-Play Fit –\u003c\/strong\u003e Connects directly to the existing MP Alert harness with OEM SmartCraft-grade connectors.\u003c\/li\u003e\n\u003cli data-start=\"785\" data-end=\"896\"\u003e\n\u003cstrong data-start=\"785\" data-end=\"815\"\u003eSupports Safety Coverage –\u003c\/strong\u003e Helps position lights where they’re easier for swimmers and passengers to see.\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"993\"\u003e\n\u003cstrong data-start=\"899\" data-end=\"921\"\u003eFlexible Routing –\u003c\/strong\u003e Long enough to run through consoles, side panels, or bow passageways.\u003c\/li\u003e\n\u003cli data-start=\"996\" data-end=\"1103\"\u003e\n\u003cstrong data-start=\"996\" data-end=\"1018\"\u003eOEM Marine Build –\u003c\/strong\u003e Weather-sealed cable designed to handle vibration, spray, and temperature changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1105\" data-end=\"1108\"\u003e\n\u003cp data-start=\"1110\" data-end=\"1127\"\u003e\u003cstrong data-start=\"1110\" data-end=\"1127\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1131\" data-end=\"1175\"\u003eMP Alert systems (all oval-light versions)\u003c\/li\u003e\n\u003cli data-start=\"1178\" data-end=\"1209\"\u003eSmartCraft-compatible engines\u003c\/li\u003e\n\u003cli data-start=\"1212\" data-end=\"1253\"\u003eAdditional or relocated MP Alert lights\u003c\/li\u003e\n\u003cli data-start=\"1256\" data-end=\"1307\"\u003eBoats needing forward-facing Moving Prop warnings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1309\" data-end=\"1312\"\u003e\n\u003cp data-start=\"1314\" data-end=\"1350\"\u003e\u003cstrong data-start=\"1314\" data-end=\"1350\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1352\" data-end=\"1810\"\u003eThis harness lets you extend your safety zone by adding or relocating a Moving Prop Alert light to the front of the boat. The extra 10 feet give you room to route the cable cleanly through bulkheads and rigging channels, keeping your wiring neat and protected. Once connected, the forward light activates automatically with the rest of the MP Alert system, flashing whenever the prop is turning so people approaching from the bow can clearly see the warning.\u003c\/p\u003e\n\u003chr data-start=\"1812\" data-end=\"1815\"\u003e\n\u003cp data-start=\"1817\" data-end=\"1832\"\u003e\u003cstrong data-start=\"1817\" data-end=\"1832\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1834\" data-end=\"2195\"\u003eThe MP Alert system depends on reliable signaling and solid, sealed connectors. Mercury’s OEM extension harness fits correctly, keeps moisture out, and preserves the timing and brightness of the warning lights. Aftermarket extensions often introduce weak connections or intermittent behavior, but the factory harness keeps the system consistent and trustworthy.\u003c\/p\u003e\n\u003chr data-start=\"2197\" data-end=\"2200\"\u003e\n\u003cp data-start=\"2202\" data-end=\"2209\"\u003e\u003cstrong data-start=\"2202\" data-end=\"2209\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2211\" data-end=\"2382\"\u003e\u003cstrong data-start=\"2211\" data-end=\"2260\"\u003eQ1: When would I need this extension harness?\u003c\/strong\u003e\u003cbr data-start=\"2260\" data-end=\"2263\"\u003eWhen mounting an MP Alert light toward the front of the boat or when the standard harness is too short for your layout.\u003c\/p\u003e\n\u003cp data-start=\"2384\" data-end=\"2512\"\u003e\u003cstrong data-start=\"2384\" data-end=\"2441\"\u003eQ2: Does installing this change how the system works?\u003c\/strong\u003e\u003cbr data-start=\"2441\" data-end=\"2444\"\u003eNo. It simply extends the wiring—activation remains fully automatic.\u003c\/p\u003e\n\u003cp data-start=\"2514\" data-end=\"2636\"\u003e\u003cstrong data-start=\"2514\" data-end=\"2562\"\u003eQ3: Is it compatible with all MP Alert kits?\u003c\/strong\u003e\u003cbr data-start=\"2562\" data-end=\"2565\"\u003eYes. It works with any Mercury MP Alert system using oval smart lights.\u003c\/p\u003e\n\u003cp data-start=\"2638\" data-end=\"2784\"\u003e\u003cstrong data-start=\"2638\" data-end=\"2676\"\u003eQ4: Does this require a Y-harness?\u003c\/strong\u003e\u003cbr data-start=\"2676\" data-end=\"2679\"\u003eOnly if you’re \u003cstrong data-start=\"2694\" data-end=\"2704\"\u003eadding\u003c\/strong\u003e an extra light. For relocating a light forward, this extension is all you need.\u003c\/p\u003e\n\u003cp data-start=\"2786\" data-end=\"2889\"\u003e\u003cstrong data-start=\"2786\" data-end=\"2820\"\u003eQ5: Is the cable marine-rated?\u003c\/strong\u003e\u003cbr data-start=\"2820\" data-end=\"2823\"\u003eYes. It’s fully sealed and designed for long-term marine exposure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019009827,"sku":"84-8M0054183","price":24.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/84-8m005418.jpg?v=1698795788"},{"product_id":"mercury-mp-alert-y-harness-fits-smartcraft-compatible-engine-84-8m0053250","title":"Mercury – MP Alert Y-Harness | Expansion Splitter for Additional Lights | 84-8M0053250","description":"\u003cp data-start=\"0\" data-end=\"90\"\u003e\u003cstrong data-start=\"0\" data-end=\"90\"\u003eMercury – MP Alert Y-Harness | Expansion Splitter for Additional Lights | 84-8M0053250\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"92\" data-end=\"95\"\u003e\n\u003cp data-start=\"97\" data-end=\"109\"\u003e\u003cstrong data-start=\"97\" data-end=\"109\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"111\" data-end=\"530\"\u003eIf you're expanding your MP Alert setup and want to add a third or fourth light, this harness makes the job painless. The Mercury 84-8M0053250 MP Alert Y-Harness creates a clean, plug-and-play split in the MP Alert wiring so you can connect extra oval smart lights without modifying the original harness. It’s the simplest way to boost light coverage around the transom for better swimmer visibility and overall safety.\u003c\/p\u003e\n\u003chr data-start=\"532\" data-end=\"535\"\u003e\n\u003cp data-start=\"537\" data-end=\"553\"\u003e\u003cstrong data-start=\"537\" data-end=\"553\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"557\" data-end=\"649\"\u003e\n\u003cstrong data-start=\"557\" data-end=\"581\"\u003ePlug-In Y-Splitter –\u003c\/strong\u003e Creates an easy branch in the MP Alert wiring to add more lights.\u003c\/li\u003e\n\u003cli data-start=\"652\" data-end=\"749\"\u003e\n\u003cstrong data-start=\"652\" data-end=\"692\"\u003eSupports Multi-Light Installations –\u003c\/strong\u003e Ideal for boats needing three or four MP Alert lights.\u003c\/li\u003e\n\u003cli data-start=\"752\" data-end=\"849\"\u003e\n\u003cstrong data-start=\"752\" data-end=\"774\"\u003eSmartCraft Ready –\u003c\/strong\u003e Works with all SmartCraft-compatible engines running an MP Alert system.\u003c\/li\u003e\n\u003cli data-start=\"852\" data-end=\"941\"\u003e\n\u003cstrong data-start=\"852\" data-end=\"879\"\u003eClean Wiring Solution –\u003c\/strong\u003e Avoids splicing or custom wiring when expanding the system.\u003c\/li\u003e\n\u003cli data-start=\"944\" data-end=\"1034\"\u003e\n\u003cstrong data-start=\"944\" data-end=\"964\"\u003eOEM Connectors –\u003c\/strong\u003e Mercury factory plugs ensure secure, weather-resistant connections.\u003c\/li\u003e\n\u003cli data-start=\"1037\" data-end=\"1140\"\u003e\n\u003cstrong data-start=\"1037\" data-end=\"1066\"\u003eFlexible Layout Options –\u003c\/strong\u003e Allows lights to be positioned exactly where visibility is needed most.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1142\" data-end=\"1145\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1164\"\u003e\u003cstrong data-start=\"1147\" data-end=\"1164\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1168\" data-end=\"1207\"\u003eAll \u003cstrong data-start=\"1172\" data-end=\"1205\"\u003eSmartCraft-compatible engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1210\" data-end=\"1249\"\u003eMP Alert base kits and expansion kits\u003c\/li\u003e\n\u003cli data-start=\"1252\" data-end=\"1308\"\u003eOval MP Alert lights and cowl-mounted MP Alert options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1310\" data-end=\"1313\"\u003e\n\u003cp data-start=\"1315\" data-end=\"1351\"\u003e\u003cstrong data-start=\"1315\" data-end=\"1351\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1353\" data-end=\"1751\"\u003eThis harness makes expanding your MP Alert system quick and clean. Whether you’re adding lights to cover the far sides of a wide swim platform or increasing visibility around a deep-V hull, the Y-harness plugs directly into the system and keeps the wiring neat. Once connected, the added lights activate automatically whenever the prop is moving—no settings, no switches, no additional programming.\u003c\/p\u003e\n\u003chr data-start=\"1753\" data-end=\"1756\"\u003e\n\u003cp data-start=\"1758\" data-end=\"1773\"\u003e\u003cstrong data-start=\"1758\" data-end=\"1773\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1775\" data-end=\"2130\"\u003eThe MP Alert system relies on correct pin alignment, waterproof connectors, and stable signal flow. Mercury’s OEM Y-Harness guarantees everything fits securely and communicates cleanly. Aftermarket splitters often introduce weak connections or intermittent activation, but the factory harness provides long-term reliability and proper SmartCraft behavior.\u003c\/p\u003e\n\u003chr data-start=\"2132\" data-end=\"2135\"\u003e\n\u003cp data-start=\"2137\" data-end=\"2144\"\u003e\u003cstrong data-start=\"2137\" data-end=\"2144\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2146\" data-end=\"2273\"\u003e\u003cstrong data-start=\"2146\" data-end=\"2198\"\u003eQ1: How many lights can I add with this harness?\u003c\/strong\u003e\u003cbr data-start=\"2198\" data-end=\"2201\"\u003eThis Y-harness supports adding a \u003cstrong data-start=\"2234\" data-end=\"2243\"\u003ethird\u003c\/strong\u003e or \u003cstrong data-start=\"2247\" data-end=\"2257\"\u003efourth\u003c\/strong\u003e MP Alert light.\u003c\/p\u003e\n\u003cp data-start=\"2275\" data-end=\"2430\"\u003e\u003cstrong data-start=\"2275\" data-end=\"2353\"\u003eQ2: Does it work with both SmartCraft and non-SmartCraft MP Alert systems?\u003c\/strong\u003e\u003cbr data-start=\"2353\" data-end=\"2356\"\u003eIt is designed specifically for \u003cstrong data-start=\"2388\" data-end=\"2413\"\u003eSmartCraft-compatible\u003c\/strong\u003e MP Alert setups.\u003c\/p\u003e\n\u003cp data-start=\"2432\" data-end=\"2537\"\u003e\u003cstrong data-start=\"2432\" data-end=\"2475\"\u003eQ3: Does installation require rewiring?\u003c\/strong\u003e\u003cbr data-start=\"2475\" data-end=\"2478\"\u003eNo. It’s a direct plug-in connector—no cutting or splicing.\u003c\/p\u003e\n\u003cp data-start=\"2539\" data-end=\"2674\"\u003e\u003cstrong data-start=\"2539\" data-end=\"2596\"\u003eQ4: Can it be used with cowl-mounted MP Alert lights?\u003c\/strong\u003e\u003cbr data-start=\"2596\" data-end=\"2599\"\u003eYes. It works with any oval MP Alert light, including cowl-mounted options.\u003c\/p\u003e\n\u003cp data-start=\"2676\" data-end=\"2782\"\u003e\u003cstrong data-start=\"2676\" data-end=\"2701\"\u003eQ5: Is it waterproof?\u003c\/strong\u003e\u003cbr data-start=\"2701\" data-end=\"2704\"\u003eYes. OEM connectors and cable jackets are built for harsh marine environments.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019075363,"sku":"84-8M0053250","price":31.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0053250.jpg?v=1698795791"},{"product_id":"mercury-harness-extension-mp-alert-20ft-84-8m0054185","title":"Mercury – MP Alert Harness Extension | 20-Foot Forward Routing Cable | 84-8M0054185","description":"\u003cp data-start=\"0\" data-end=\"87\"\u003e\u003cstrong data-start=\"0\" data-end=\"87\"\u003eMercury – MP Alert Harness Extension | 20-Foot Forward Routing Cable | 84-8M0054185\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"89\" data-end=\"92\"\u003e\n\u003cp data-start=\"94\" data-end=\"106\"\u003e\u003cstrong data-start=\"94\" data-end=\"106\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"108\" data-end=\"564\"\u003eSome MP Alert installations call for a forward-mounted warning light—especially on larger boats where people may approach from the bow or spend time in front-facing swim areas. The Mercury 84-8M0054185 MP Alert Harness Extension gives you \u003cstrong data-start=\"347\" data-end=\"358\"\u003e20 feet\u003c\/strong\u003e of reach to run an MP Alert light toward the front of the boat, making the Moving Prop warning visible from more angles. It plugs directly into the existing MP Alert wiring for a clean, reliable extension.\u003c\/p\u003e\n\u003chr data-start=\"566\" data-end=\"569\"\u003e\n\u003cp data-start=\"571\" data-end=\"587\"\u003e\u003cstrong data-start=\"571\" data-end=\"587\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"591\" data-end=\"702\"\u003e\n\u003cstrong data-start=\"591\" data-end=\"622\"\u003e20-Foot Extension Harness –\u003c\/strong\u003e Long enough for bow or forward-deck MP Alert light placement on bigger boats.\u003c\/li\u003e\n\u003cli data-start=\"705\" data-end=\"807\"\u003e\n\u003cstrong data-start=\"705\" data-end=\"731\"\u003ePlug-and-Play Design –\u003c\/strong\u003e OEM connectors allow quick installation with no splicing or modification.\u003c\/li\u003e\n\u003cli data-start=\"810\" data-end=\"920\"\u003e\n\u003cstrong data-start=\"810\" data-end=\"842\"\u003eExpanded Safety Visibility –\u003c\/strong\u003e Helps place the MP Alert light where swimmers and riders can see it sooner.\u003c\/li\u003e\n\u003cli data-start=\"923\" data-end=\"1035\"\u003e\n\u003cstrong data-start=\"923\" data-end=\"953\"\u003eFlexible Routing Options –\u003c\/strong\u003e Extra length makes it easy to pass through bulkheads, gunwales, or side panels.\u003c\/li\u003e\n\u003cli data-start=\"1038\" data-end=\"1156\"\u003e\n\u003cstrong data-start=\"1038\" data-end=\"1064\"\u003eMarine-Durable Build –\u003c\/strong\u003e Sealed cable and connectors built to handle vibration, moisture, and everyday conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1158\" data-end=\"1161\"\u003e\n\u003cp data-start=\"1163\" data-end=\"1180\"\u003e\u003cstrong data-start=\"1163\" data-end=\"1180\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1184\" data-end=\"1238\"\u003eAll Mercury MP Alert systems using oval smart lights\u003c\/li\u003e\n\u003cli data-start=\"1241\" data-end=\"1272\"\u003eSmartCraft-compatible engines\u003c\/li\u003e\n\u003cli data-start=\"1275\" data-end=\"1333\"\u003eMP Alert Add-A-Light kits and Y-harness expansion setups\u003c\/li\u003e\n\u003cli data-start=\"1336\" data-end=\"1386\"\u003eBoats needing forward-mounted Moving Prop alerts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1388\" data-end=\"1391\"\u003e\n\u003cp data-start=\"1393\" data-end=\"1429\"\u003e\u003cstrong data-start=\"1393\" data-end=\"1429\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1431\" data-end=\"1897\"\u003eThis harness gives you the reach needed to add or relocate an MP Alert light far forward on the boat. By extending the visible warning zone, you help swimmers and passengers recognize prop-movement danger before getting close to the stern. The 20-foot length allows clean, strain-free routing through long rigging channels, keeping the installation tidy and protected from wear. Once installed, the light activates automatically with the rest of the MP Alert system.\u003c\/p\u003e\n\u003chr data-start=\"1899\" data-end=\"1902\"\u003e\n\u003cp data-start=\"1904\" data-end=\"1919\"\u003e\u003cstrong data-start=\"1904\" data-end=\"1919\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1921\" data-end=\"2292\"\u003eMercury’s MP Alert system relies on sealed, properly pinned connectors to deliver reliable activation timing and strong LED output. The OEM extension harness ensures your forward-mounted light works exactly as intended—without flicker, delay, or moisture intrusion. Aftermarket extensions often fall short in marine environments, but the factory harness is built to last.\u003c\/p\u003e\n\u003chr data-start=\"2294\" data-end=\"2297\"\u003e\n\u003cp data-start=\"2299\" data-end=\"2306\"\u003e\u003cstrong data-start=\"2299\" data-end=\"2306\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2308\" data-end=\"2483\"\u003e\u003cstrong data-start=\"2308\" data-end=\"2381\"\u003eQ1: When would I choose the 20-foot extension instead of the 10-foot?\u003c\/strong\u003e\u003cbr data-start=\"2381\" data-end=\"2384\"\u003eFor larger boats or longer helm-to-bow routing paths where the shorter harness won’t reach cleanly.\u003c\/p\u003e\n\u003cp data-start=\"2485\" data-end=\"2613\"\u003e\u003cstrong data-start=\"2485\" data-end=\"2547\"\u003eQ2: Does this extension affect MP Alert light performance?\u003c\/strong\u003e\u003cbr data-start=\"2547\" data-end=\"2550\"\u003eNo. It simply extends the wiring—the system activates normally.\u003c\/p\u003e\n\u003cp data-start=\"2615\" data-end=\"2742\"\u003e\u003cstrong data-start=\"2615\" data-end=\"2667\"\u003eQ3: Can this be used with Y-harness add-on kits?\u003c\/strong\u003e\u003cbr data-start=\"2667\" data-end=\"2670\"\u003eYes. It works with any MP Alert expansion setup using oval smart lights.\u003c\/p\u003e\n\u003cp data-start=\"2744\" data-end=\"2871\"\u003e\u003cstrong data-start=\"2744\" data-end=\"2791\"\u003eQ4: Does it work on non-SmartCraft engines?\u003c\/strong\u003e\u003cbr data-start=\"2791\" data-end=\"2794\"\u003eThis extension is for MP Alert systems tied to SmartCraft-compatible engines.\u003c\/p\u003e\n\u003cp data-start=\"2873\" data-end=\"2980\"\u003e\u003cstrong data-start=\"2873\" data-end=\"2907\"\u003eQ5: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2907\" data-end=\"2910\"\u003eNo. Plug it in and route it like any other harness—no rewiring needed.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019108131,"sku":"84-8M0054185","price":35.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/84-8m005418_1.jpg?v=1698795791"},{"product_id":"mercury-harnes-1helm-40ft-84-8m0048058","title":"Mercury – Malfunction Light Harness | 40-Foot Single-Helm Cable | 84-8M0048058","description":"\u003cp data-start=\"0\" data-end=\"82\"\u003e\u003cstrong data-start=\"0\" data-end=\"82\"\u003eMercury – Malfunction Light Harness | 40-Foot Single-Helm Cable | 84-8M0048058\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"84\" data-end=\"87\"\u003e\n\u003cp data-start=\"89\" data-end=\"101\"\u003e\u003cstrong data-start=\"89\" data-end=\"101\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"103\" data-end=\"594\"\u003eLarge boats with long console runs or deep rigging channels often need more reach than a standard harness can offer. The Mercury 84-8M0048058 Malfunction Light Harness provides a full \u003cstrong data-start=\"287\" data-end=\"298\"\u003e40 feet\u003c\/strong\u003e of length, giving you plenty of room to route the catalyst-warning signal from the engine compartment all the way to the helm. Once in place, it ensures the dash-mounted malfunction light responds immediately whenever the catalyst system detects an issue—just like a check-engine light on a car.\u003c\/p\u003e\n\u003chr data-start=\"596\" data-end=\"599\"\u003e\n\u003cp data-start=\"601\" data-end=\"617\"\u003e\u003cstrong data-start=\"601\" data-end=\"617\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"621\" data-end=\"715\"\u003e\n\u003cstrong data-start=\"621\" data-end=\"642\"\u003e40-Foot Harness –\u003c\/strong\u003e Longest single-helm option for large boats and extended rigging paths.\u003c\/li\u003e\n\u003cli data-start=\"718\" data-end=\"822\"\u003e\n\u003cstrong data-start=\"718\" data-end=\"743\"\u003eOBDM Alert Delivery –\u003c\/strong\u003e Sends catalyst-system warnings straight to the dash-mounted indicator light.\u003c\/li\u003e\n\u003cli data-start=\"825\" data-end=\"919\"\u003e\n\u003cstrong data-start=\"825\" data-end=\"850\"\u003eCatalyst-Compatible –\u003c\/strong\u003e Works on \u003cem data-start=\"860\" data-end=\"865\"\u003eall\u003c\/em\u003e MerCruiser engines equipped with a catalyst system.\u003c\/li\u003e\n\u003cli data-start=\"922\" data-end=\"1018\"\u003e\n\u003cstrong data-start=\"922\" data-end=\"950\"\u003eOEM Mercury Connectors –\u003c\/strong\u003e Factory-fit ends ensure proper alignment and a secure connection.\u003c\/li\u003e\n\u003cli data-start=\"1021\" data-end=\"1119\"\u003e\n\u003cstrong data-start=\"1021\" data-end=\"1050\"\u003eFlexible Routing Length –\u003c\/strong\u003e Ideal for extended cabins, deep-V hulls, and complex helm layouts.\u003c\/li\u003e\n\u003cli data-start=\"1122\" data-end=\"1244\"\u003e\n\u003cstrong data-start=\"1122\" data-end=\"1155\"\u003eReliable Fault Notification –\u003c\/strong\u003e Ensures your dash light triggers the moment the system detects a catalyst malfunction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1246\" data-end=\"1249\"\u003e\n\u003cp data-start=\"1251\" data-end=\"1268\"\u003e\u003cstrong data-start=\"1251\" data-end=\"1268\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1272\" data-end=\"1318\"\u003eAll \u003cstrong data-start=\"1276\" data-end=\"1316\"\u003ecatalyst-equipped MerCruiser engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1321\" data-end=\"1374\"\u003eDash-Mounted Catalyst Malfunction Light (8M0046481)\u003c\/li\u003e\n\u003cli data-start=\"1377\" data-end=\"1432\"\u003eSingle-helm installations requiring a 40-foot harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1434\" data-end=\"1437\"\u003e\n\u003cp data-start=\"1439\" data-end=\"1475\"\u003e\u003cstrong data-start=\"1439\" data-end=\"1475\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1477\" data-end=\"1935\"\u003eThis long harness gives you the freedom to route the malfunction-light circuit cleanly through bulkheads, under decking, and along long rigging corridors. Once connected, the catalyst light provides an immediate visual cue when the emissions system needs attention, helping you address issues early and avoid more serious problems down the road. On larger boats where access can be tight, this extra cable length keeps the installation clean and stress-free.\u003c\/p\u003e\n\u003chr data-start=\"1937\" data-end=\"1940\"\u003e\n\u003cp data-start=\"1942\" data-end=\"1957\"\u003e\u003cstrong data-start=\"1942\" data-end=\"1957\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1959\" data-end=\"2355\"\u003eCatalyst alerts are too important to trust to generic wiring. Mercury’s OEM harness is built with proper shielding, correct pinout, and marine-grade connectors designed to stand up to vibration, moisture, and engine-room heat. Aftermarket harnesses can cause false alarms or—worse—fail to trigger the light at all. The factory version ensures dependable communication every time you turn the key.\u003c\/p\u003e\n\u003chr data-start=\"2357\" data-end=\"2360\"\u003e\n\u003cp data-start=\"2362\" data-end=\"2369\"\u003e\u003cstrong data-start=\"2362\" data-end=\"2369\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2371\" data-end=\"2501\"\u003e\u003cstrong data-start=\"2371\" data-end=\"2410\"\u003eQ1: What does this harness connect?\u003c\/strong\u003e\u003cbr data-start=\"2410\" data-end=\"2413\"\u003eIt links the engine’s OBDM catalyst-alert circuit to the dash-mounted malfunction light.\u003c\/p\u003e\n\u003cp data-start=\"2503\" data-end=\"2637\"\u003e\u003cstrong data-start=\"2503\" data-end=\"2542\"\u003eQ2: Why choose the 40-foot version?\u003c\/strong\u003e\u003cbr data-start=\"2542\" data-end=\"2545\"\u003eIt’s ideal for large boats or long helm layouts where shorter harnesses can’t reach cleanly.\u003c\/p\u003e\n\u003cp data-start=\"2639\" data-end=\"2761\"\u003e\u003cstrong data-start=\"2639\" data-end=\"2688\"\u003eQ3: Will this work on all MerCruiser engines?\u003c\/strong\u003e\u003cbr data-start=\"2688\" data-end=\"2691\"\u003eIt works on \u003cstrong data-start=\"2703\" data-end=\"2760\"\u003eany MerCruiser engine equipped with a catalyst system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2763\" data-end=\"2876\"\u003e\u003cstrong data-start=\"2763\" data-end=\"2811\"\u003eQ4: Does this include the malfunction light?\u003c\/strong\u003e\u003cbr data-start=\"2811\" data-end=\"2814\"\u003eNo. The light is sold separately as part number \u003cstrong data-start=\"2862\" data-end=\"2875\"\u003e8M0046481\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2878\" data-end=\"3016\"\u003e\u003cstrong data-start=\"2878\" data-end=\"2912\"\u003eQ5: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2912\" data-end=\"2915\"\u003eNo. It uses OEM connectors and routes like any standard helm harness—just with more length to manage.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019534115,"sku":"84-8M0048058","price":29.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV703521.jpg?v=1698795794"},{"product_id":"mercury-harnes-1helm-30ft-84-8m0048057","title":"Mercury – Malfunction Light Harness | 30-Foot Single-Helm Cable | 84-8M0048057","description":"\u003cp data-start=\"0\" data-end=\"82\"\u003e\u003cstrong data-start=\"0\" data-end=\"82\"\u003eMercury – Malfunction Light Harness | 30-Foot Single-Helm Cable | 84-8M0048057\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"84\" data-end=\"87\"\u003e\n\u003cp data-start=\"89\" data-end=\"101\"\u003e\u003cstrong data-start=\"89\" data-end=\"101\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"103\" data-end=\"582\"\u003eCatalyst-equipped MerCruiser engines rely on a clear and dependable warning light to let you know when the emissions system needs attention. The Mercury 84-8M0048057 Malfunction Light Harness provides a full \u003cstrong data-start=\"311\" data-end=\"322\"\u003e30 feet\u003c\/strong\u003e of length—ideal for single-helm boats with long console runs, deep rigging paths, or layouts where shorter harnesses simply won’t reach. Once installed, it gives your dash-mounted catalyst light a clean, reliable connection to the engine’s OBDM alert circuit.\u003c\/p\u003e\n\u003chr data-start=\"584\" data-end=\"587\"\u003e\n\u003cp data-start=\"589\" data-end=\"605\"\u003e\u003cstrong data-start=\"589\" data-end=\"605\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"609\" data-end=\"701\"\u003e\n\u003cstrong data-start=\"609\" data-end=\"630\"\u003e30-Foot Harness –\u003c\/strong\u003e Longest single-helm option for extended console and rigging layouts.\u003c\/li\u003e\n\u003cli data-start=\"704\" data-end=\"802\"\u003e\n\u003cstrong data-start=\"704\" data-end=\"726\"\u003eOBDM Signal Path –\u003c\/strong\u003e Carries catalyst malfunction alerts directly to the dash indicator light.\u003c\/li\u003e\n\u003cli data-start=\"805\" data-end=\"908\"\u003e\n\u003cstrong data-start=\"805\" data-end=\"837\"\u003eCatalyst-Engine Compatible –\u003c\/strong\u003e Works with \u003cem data-start=\"849\" data-end=\"854\"\u003eall\u003c\/em\u003e MerCruiser engines equipped with a catalyst system.\u003c\/li\u003e\n\u003cli data-start=\"911\" data-end=\"1000\"\u003e\n\u003cstrong data-start=\"911\" data-end=\"931\"\u003eOEM Connectors –\u003c\/strong\u003e Factory Mercury ends ensure proper pin alignment and a secure fit.\u003c\/li\u003e\n\u003cli data-start=\"1003\" data-end=\"1096\"\u003e\n\u003cstrong data-start=\"1003\" data-end=\"1025\"\u003eFlexible Routing –\u003c\/strong\u003e Length designed for boats with complex wiring paths or larger hulls.\u003c\/li\u003e\n\u003cli data-start=\"1099\" data-end=\"1209\"\u003e\n\u003cstrong data-start=\"1099\" data-end=\"1130\"\u003eReliable Warning Delivery –\u003c\/strong\u003e Ensures the malfunction light turns on immediately when a fault is detected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1211\" data-end=\"1214\"\u003e\n\u003cp data-start=\"1216\" data-end=\"1233\"\u003e\u003cstrong data-start=\"1216\" data-end=\"1233\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1237\" data-end=\"1283\"\u003eAll \u003cstrong data-start=\"1241\" data-end=\"1281\"\u003ecatalyst-equipped MerCruiser engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1286\" data-end=\"1339\"\u003eDash-Mounted Catalyst Malfunction Light (8M0046481)\u003c\/li\u003e\n\u003cli data-start=\"1342\" data-end=\"1397\"\u003eSingle-helm installations requiring a 30-foot harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1399\" data-end=\"1402\"\u003e\n\u003cp data-start=\"1404\" data-end=\"1440\"\u003e\u003cstrong data-start=\"1404\" data-end=\"1440\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1442\" data-end=\"1876\"\u003eThis harness gives you enough reach to route the malfunction-light connection cleanly from the engine compartment to the helm—even on large cruisers or deep-V hulls. Once connected, the warning light becomes a dependable early indicator—much like a check-engine light—alerting you the moment the catalyst system needs attention. It’s a simple, essential link that helps prevent minor issues from becoming bigger, more costly problems.\u003c\/p\u003e\n\u003chr data-start=\"1878\" data-end=\"1881\"\u003e\n\u003cp data-start=\"1883\" data-end=\"1898\"\u003e\u003cstrong data-start=\"1883\" data-end=\"1898\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1900\" data-end=\"2313\"\u003eCatalyst fault alerts must reach the dash accurately, and OEM harnessing ensures the signal stays clean. Mercury’s factory connectors, proper shielding, and correct wiring logic eliminate the guesswork and reduce the risk of false alarms or silent failures—issues that often show up with aftermarket cables. With an OEM harness, you’re getting consistent, reliable performance built for harsh marine environments.\u003c\/p\u003e\n\u003chr data-start=\"2315\" data-end=\"2318\"\u003e\n\u003cp data-start=\"2320\" data-end=\"2327\"\u003e\u003cstrong data-start=\"2320\" data-end=\"2327\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2329\" data-end=\"2470\"\u003e\u003cstrong data-start=\"2329\" data-end=\"2377\"\u003eQ1: What does this harness actually connect?\u003c\/strong\u003e\u003cbr data-start=\"2377\" data-end=\"2380\"\u003eIt links the engine’s OBDM catalyst-warning circuit to the dash-mounted malfunction light.\u003c\/p\u003e\n\u003cp data-start=\"2472\" data-end=\"2634\"\u003e\u003cstrong data-start=\"2472\" data-end=\"2511\"\u003eQ2: Why choose the 30-foot version?\u003c\/strong\u003e\u003cbr data-start=\"2511\" data-end=\"2514\"\u003eIt’s the right choice for single-helm boats with long or complicated rigging routes where shorter harnesses won’t reach.\u003c\/p\u003e\n\u003cp data-start=\"2636\" data-end=\"2751\"\u003e\u003cstrong data-start=\"2636\" data-end=\"2685\"\u003eQ3: Will this work on all MerCruiser engines?\u003c\/strong\u003e\u003cbr data-start=\"2685\" data-end=\"2688\"\u003eIt works on any \u003cstrong data-start=\"2704\" data-end=\"2750\"\u003eMerCruiser engine equipped with a catalyst\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2753\" data-end=\"2851\"\u003e\u003cstrong data-start=\"2753\" data-end=\"2791\"\u003eQ4: Is the warning light included?\u003c\/strong\u003e\u003cbr data-start=\"2791\" data-end=\"2794\"\u003eNo. The light is sold separately (part number 8M0046481).\u003c\/p\u003e\n\u003cp data-start=\"2853\" data-end=\"3001\"\u003e\u003cstrong data-start=\"2853\" data-end=\"2887\"\u003eQ5: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2887\" data-end=\"2890\"\u003eInstallation is straightforward—plug in the connectors and route the harness through standard rigging channels.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019566883,"sku":"84-8M0048057","price":25.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV701243.jpg?v=1698795792"},{"product_id":"mercury-harnes-1helm-25ft-84-8m0048056","title":"Mercury – Malfunction Light Harness | 25-Foot Single-Helm Cable | 84-8M0048056","description":"\u003cp data-start=\"0\" data-end=\"82\"\u003e\u003cstrong data-start=\"0\" data-end=\"82\"\u003eMercury – Malfunction Light Harness | 25-Foot Single-Helm Cable | 84-8M0048056\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"84\" data-end=\"87\"\u003e\n\u003cp data-start=\"89\" data-end=\"101\"\u003e\u003cstrong data-start=\"89\" data-end=\"101\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"103\" data-end=\"556\"\u003eCatalyst-equipped MerCruiser engines rely on a clear dash-mounted warning light to alert you when the emissions system needs attention. The Mercury 84-8M0048056 Malfunction Light Harness gives you a full 25 feet of cable—ideal for single-helm boats with longer console runs or more complex routing paths. Once installed, it provides a clean, dependable connection so the catalyst malfunction light illuminates the moment the OBDM system detects a fault.\u003c\/p\u003e\n\u003chr data-start=\"558\" data-end=\"561\"\u003e\n\u003cp data-start=\"563\" data-end=\"579\"\u003e\u003cstrong data-start=\"563\" data-end=\"579\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"583\" data-end=\"683\"\u003e\n\u003cstrong data-start=\"583\" data-end=\"604\"\u003e25-Foot Harness –\u003c\/strong\u003e Designed for longer single-helm layouts that need extended routing distance.\u003c\/li\u003e\n\u003cli data-start=\"686\" data-end=\"797\"\u003e\n\u003cstrong data-start=\"686\" data-end=\"707\"\u003eOBDM Alert Path –\u003c\/strong\u003e Connects the engine’s catalyst fault signal directly to the dash-mounted warning light.\u003c\/li\u003e\n\u003cli data-start=\"800\" data-end=\"890\"\u003e\n\u003cstrong data-start=\"800\" data-end=\"827\"\u003eCatalyst Engine Ready –\u003c\/strong\u003e Fits all MerCruiser engines equipped with a catalyst system.\u003c\/li\u003e\n\u003cli data-start=\"893\" data-end=\"975\"\u003e\n\u003cstrong data-start=\"893\" data-end=\"921\"\u003eOEM Mercury Connectors –\u003c\/strong\u003e Ensures secure engagement and proper pin alignment.\u003c\/li\u003e\n\u003cli data-start=\"978\" data-end=\"1080\"\u003e\n\u003cstrong data-start=\"978\" data-end=\"1005\"\u003eFlexible Marine Cable –\u003c\/strong\u003e Routes easily through rigging tunnels, bulkheads, and tight helm spaces.\u003c\/li\u003e\n\u003cli data-start=\"1083\" data-end=\"1187\"\u003e\n\u003cstrong data-start=\"1083\" data-end=\"1112\"\u003eReliable Alert Delivery –\u003c\/strong\u003e Ensures the malfunction light activates promptly when service is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1189\" data-end=\"1192\"\u003e\n\u003cp data-start=\"1194\" data-end=\"1211\"\u003e\u003cstrong data-start=\"1194\" data-end=\"1211\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1215\" data-end=\"1261\"\u003eAll \u003cstrong data-start=\"1219\" data-end=\"1259\"\u003eMerCruiser catalyst-equipped engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1264\" data-end=\"1317\"\u003eDash-Mounted Catalyst Malfunction Light (8M0046481)\u003c\/li\u003e\n\u003cli data-start=\"1320\" data-end=\"1378\"\u003eSingle-helm installations that require a 25-foot harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1380\" data-end=\"1383\"\u003e\n\u003cp data-start=\"1385\" data-end=\"1421\"\u003e\u003cstrong data-start=\"1385\" data-end=\"1421\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1423\" data-end=\"1829\"\u003eThis harness gives you the extra reach needed for clean, stress-free routing from the engine compartment all the way to the helm. Once connected, it keeps the catalyst warning light tied directly into the diagnostic system, giving you a quick visual cue—much like a check-engine light—whenever the catalyst requires inspection. It’s a simple, reliable way to stay ahead of potential emission-system issues.\u003c\/p\u003e\n\u003chr data-start=\"1831\" data-end=\"1834\"\u003e\n\u003cp data-start=\"1836\" data-end=\"1851\"\u003e\u003cstrong data-start=\"1836\" data-end=\"1851\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1853\" data-end=\"2212\"\u003eCatalyst warnings aren’t something you want to trust to generic wiring. Mercury’s OEM harness matches the engine’s electrical logic and provides solid shielding, preventing false alerts or missed warnings. Off-brand cables often struggle with poor fit or noise interference, but the factory harness ensures dependable alert behavior in real marine conditions.\u003c\/p\u003e\n\u003chr data-start=\"2214\" data-end=\"2217\"\u003e\n\u003cp data-start=\"2219\" data-end=\"2226\"\u003e\u003cstrong data-start=\"2219\" data-end=\"2226\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2228\" data-end=\"2351\"\u003e\u003cstrong data-start=\"2228\" data-end=\"2267\"\u003eQ1: What does this harness connect?\u003c\/strong\u003e\u003cbr data-start=\"2267\" data-end=\"2270\"\u003eIt links the engine’s OBDM catalyst signal to the dash-mounted malfunction light.\u003c\/p\u003e\n\u003cp data-start=\"2353\" data-end=\"2477\"\u003e\u003cstrong data-start=\"2353\" data-end=\"2392\"\u003eQ2: Why choose the 25-foot version?\u003c\/strong\u003e\u003cbr data-start=\"2392\" data-end=\"2395\"\u003eIt’s ideal for longer console layouts where shorter harnesses won’t reach cleanly.\u003c\/p\u003e\n\u003cp data-start=\"2479\" data-end=\"2587\"\u003e\u003cstrong data-start=\"2479\" data-end=\"2528\"\u003eQ3: Will it work with all MerCruiser engines?\u003c\/strong\u003e\u003cbr data-start=\"2528\" data-end=\"2531\"\u003eIt works on \u003cstrong data-start=\"2543\" data-end=\"2586\"\u003eany catalyst-equipped MerCruiser engine\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2589\" data-end=\"2688\"\u003e\u003cstrong data-start=\"2589\" data-end=\"2627\"\u003eQ4: Is the warning light included?\u003c\/strong\u003e\u003cbr data-start=\"2627\" data-end=\"2630\"\u003eNo. The light is sold separately as part number 8M0046481.\u003c\/p\u003e\n\u003cp data-start=\"2690\" data-end=\"2827\"\u003e\u003cstrong data-start=\"2690\" data-end=\"2724\"\u003eQ5: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2724\" data-end=\"2727\"\u003eInstallation is straightforward—plug in the OEM connectors and route like any standard helm harness.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019632419,"sku":"84-8M0048056","price":23.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV704692.jpg?v=1698795793"},{"product_id":"mercury-harnes-1helm-20ft-84-8m0048055","title":"Mercury – Malfunction Light Harness | 20-Foot Single-Helm Cable | 84-8M0048055","description":"\u003cp data-start=\"0\" data-end=\"82\"\u003e\u003cstrong data-start=\"0\" data-end=\"82\"\u003eMercury – Malfunction Light Harness | 20-Foot Single-Helm Cable | 84-8M0048055\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"84\" data-end=\"87\"\u003e\n\u003cp data-start=\"89\" data-end=\"101\"\u003e\u003cstrong data-start=\"89\" data-end=\"101\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"103\" data-end=\"548\"\u003eCatalyst-equipped MerCruiser engines rely on a clear dash-mounted indicator to alert you when the catalyst system needs attention. The Mercury 84-8M0048055 Malfunction Light Harness gives you a 20-foot run—ideal for single-helm boats with longer distances between the engine compartment and the dash. Once connected, it provides a clean, reliable path for the OBDM catalyst warning signal so the light can turn on the moment a fault is detected.\u003c\/p\u003e\n\u003chr data-start=\"550\" data-end=\"553\"\u003e\n\u003cp data-start=\"555\" data-end=\"571\"\u003e\u003cstrong data-start=\"555\" data-end=\"571\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"575\" data-end=\"670\"\u003e\n\u003cstrong data-start=\"575\" data-end=\"596\"\u003e20-Foot Harness –\u003c\/strong\u003e Extra length for single-helm boats with deep or extended routing paths.\u003c\/li\u003e\n\u003cli data-start=\"673\" data-end=\"779\"\u003e\n\u003cstrong data-start=\"673\" data-end=\"700\"\u003eOBDM Alert Connection –\u003c\/strong\u003e Carries catalyst malfunction signals directly to the dash-mounted indicator.\u003c\/li\u003e\n\u003cli data-start=\"782\" data-end=\"870\"\u003e\n\u003cstrong data-start=\"782\" data-end=\"807\"\u003eCatalyst-Compatible –\u003c\/strong\u003e Fits all MerCruiser engines equipped with a catalyst system.\u003c\/li\u003e\n\u003cli data-start=\"873\" data-end=\"982\"\u003e\n\u003cstrong data-start=\"873\" data-end=\"893\"\u003eOEM Connectors –\u003c\/strong\u003e Factory Mercury ends ensure a proper fit and a secure, vibration-resistant connection.\u003c\/li\u003e\n\u003cli data-start=\"985\" data-end=\"1090\"\u003e\n\u003cstrong data-start=\"985\" data-end=\"1007\"\u003eFlexible Routing –\u003c\/strong\u003e Long enough to run through rigging tunnels, bulkheads, and tight console spaces.\u003c\/li\u003e\n\u003cli data-start=\"1093\" data-end=\"1199\"\u003e\n\u003cstrong data-start=\"1093\" data-end=\"1124\"\u003eAccurate Warning Delivery –\u003c\/strong\u003e Ensures the malfunction light activates promptly when service is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1201\" data-end=\"1204\"\u003e\n\u003cp data-start=\"1206\" data-end=\"1223\"\u003e\u003cstrong data-start=\"1206\" data-end=\"1223\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1227\" data-end=\"1273\"\u003eAll \u003cstrong data-start=\"1231\" data-end=\"1271\"\u003eMerCruiser catalyst-equipped engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1276\" data-end=\"1329\"\u003eDash-mounted Catalyst Malfunction Light (8M0046481)\u003c\/li\u003e\n\u003cli data-start=\"1332\" data-end=\"1387\"\u003eSingle-helm installations requiring a 20-foot harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1389\" data-end=\"1392\"\u003e\n\u003cp data-start=\"1394\" data-end=\"1430\"\u003e\u003cstrong data-start=\"1394\" data-end=\"1430\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1432\" data-end=\"1792\"\u003eThis harness provides the length needed for clean, stress-free routing on larger or more complex helm layouts. Once in place, the malfunction light becomes a dependable visual cue—similar to a check-engine light—alerting you quickly to catalyst faults. It helps you stay ahead of emissions-system issues without adding additional displays or wiring complexity.\u003c\/p\u003e\n\u003chr data-start=\"1794\" data-end=\"1797\"\u003e\n\u003cp data-start=\"1799\" data-end=\"1814\"\u003e\u003cstrong data-start=\"1799\" data-end=\"1814\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1816\" data-end=\"2196\"\u003eCatalyst alerts are tied to essential engine protection routines. Mercury’s OEM harness ensures the signal is carried correctly and the warning light behaves exactly as intended. Aftermarket harnesses often suffer from poor pin alignment or weak shielding, leading to unreliable alerts. The OEM version offers the durability and electrical accuracy needed in a marine environment.\u003c\/p\u003e\n\u003chr data-start=\"2198\" data-end=\"2201\"\u003e\n\u003cp data-start=\"2203\" data-end=\"2210\"\u003e\u003cstrong data-start=\"2203\" data-end=\"2210\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2212\" data-end=\"2342\"\u003e\u003cstrong data-start=\"2212\" data-end=\"2251\"\u003eQ1: What does this harness connect?\u003c\/strong\u003e\u003cbr data-start=\"2251\" data-end=\"2254\"\u003eIt links the engine’s OBDM catalyst alert circuit to the dash-mounted malfunction light.\u003c\/p\u003e\n\u003cp data-start=\"2344\" data-end=\"2468\"\u003e\u003cstrong data-start=\"2344\" data-end=\"2383\"\u003eQ2: Why choose the 20-foot version?\u003c\/strong\u003e\u003cbr data-start=\"2383\" data-end=\"2386\"\u003eIt’s ideal for single-helm boats that need extra length to reach the dash cleanly.\u003c\/p\u003e\n\u003cp data-start=\"2470\" data-end=\"2592\"\u003e\u003cstrong data-start=\"2470\" data-end=\"2518\"\u003eQ3: Will this work on any MerCruiser engine?\u003c\/strong\u003e\u003cbr data-start=\"2518\" data-end=\"2521\"\u003eIt works on \u003cstrong data-start=\"2533\" data-end=\"2591\"\u003eall MerCruiser engines equipped with a catalyst system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2594\" data-end=\"2706\"\u003e\u003cstrong data-start=\"2594\" data-end=\"2636\"\u003eQ4: Is the malfunction light included?\u003c\/strong\u003e\u003cbr data-start=\"2636\" data-end=\"2639\"\u003eNo. The indicator light is sold separately (part number 8M0046481).\u003c\/p\u003e\n\u003cp data-start=\"2708\" data-end=\"2830\"\u003e\u003cstrong data-start=\"2708\" data-end=\"2748\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"2748\" data-end=\"2751\"\u003eYes. It installs with OEM connectors and routes like any standard dash harness.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019665187,"sku":"84-8M0048055","price":21.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV705602.jpg?v=1698795794"},{"product_id":"mercury-harnes-2helm-10ft-84-8m0048040","title":"Mercury – Dual-Helm Malfunction Light Harness | 10-Foot Cable | 84-8M0048040","description":"\u003cp data-start=\"0\" data-end=\"80\"\u003e\u003cstrong data-start=\"0\" data-end=\"80\"\u003eMercury – Dual-Helm Malfunction Light Harness | 10-Foot Cable | 84-8M0048040\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"82\" data-end=\"85\"\u003e\n\u003cp data-start=\"87\" data-end=\"99\"\u003e\u003cstrong data-start=\"87\" data-end=\"99\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"101\" data-end=\"566\"\u003eDual-helm boats need a clean way to send catalyst-warning signals to the dash light at the upper or secondary helm. The Mercury 84-8M0048040 Dual Helm Malfunction Light Harness provides a 10-foot connection dedicated to dual-helm layouts, ensuring the catalyst malfunction light receives the proper OBDM alert from any catalyst-equipped MerCruiser engine. It keeps the warning circuit reliable, clear, and ready to alert you the moment the system detects a problem.\u003c\/p\u003e\n\u003chr data-start=\"568\" data-end=\"571\"\u003e\n\u003cp data-start=\"573\" data-end=\"589\"\u003e\u003cstrong data-start=\"573\" data-end=\"589\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"593\" data-end=\"688\"\u003e\n\u003cstrong data-start=\"593\" data-end=\"624\"\u003e10-Foot Dual-Helm Harness –\u003c\/strong\u003e Sized for secondary or upper-helm routing on dual-helm boats.\u003c\/li\u003e\n\u003cli data-start=\"691\" data-end=\"791\"\u003e\n\u003cstrong data-start=\"691\" data-end=\"712\"\u003eOBDM Alert Path –\u003c\/strong\u003e Carries catalyst malfunction signals directly to the dash-mounted indicator.\u003c\/li\u003e\n\u003cli data-start=\"794\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"794\" data-end=\"826\"\u003eCatalyst-Engine Compatible –\u003c\/strong\u003e Works with all MerCruiser engines equipped with a catalyst system.\u003c\/li\u003e\n\u003cli data-start=\"898\" data-end=\"993\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"921\"\u003eOEM Connector Fit –\u003c\/strong\u003e Mercury factory connectors ensure proper alignment and a secure hold.\u003c\/li\u003e\n\u003cli data-start=\"996\" data-end=\"1087\"\u003e\n\u003cstrong data-start=\"996\" data-end=\"1018\"\u003eFlexible Routing –\u003c\/strong\u003e Ideal length for upper-helm runs or short secondary console paths.\u003c\/li\u003e\n\u003cli data-start=\"1090\" data-end=\"1196\"\u003e\n\u003cstrong data-start=\"1090\" data-end=\"1121\"\u003eReliable Warning Delivery –\u003c\/strong\u003e Ensures your malfunction light activates as soon as a fault is detected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1198\" data-end=\"1201\"\u003e\n\u003cp data-start=\"1203\" data-end=\"1220\"\u003e\u003cstrong data-start=\"1203\" data-end=\"1220\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1224\" data-end=\"1270\"\u003eAll \u003cstrong data-start=\"1228\" data-end=\"1268\"\u003ecatalyst-equipped MerCruiser engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1326\"\u003eDash-Mounted Catalyst Malfunction Light (8M0046481)\u003c\/li\u003e\n\u003cli data-start=\"1329\" data-end=\"1382\"\u003eDual-helm installations requiring a 10-foot harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1384\" data-end=\"1387\"\u003e\n\u003cp data-start=\"1389\" data-end=\"1425\"\u003e\u003cstrong data-start=\"1389\" data-end=\"1425\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1427\" data-end=\"1832\"\u003eThis harness gives dual-helm vessels a clean way to extend the catalyst-warning signal to a second station. With 10 feet of length, it fits neatly into upper-helm or co-pilot helm layouts and routes easily through console structures. Once connected, the malfunction light functions just like the primary helm light—giving you a clear, immediate visual alert anytime the catalyst system requires attention.\u003c\/p\u003e\n\u003chr data-start=\"1834\" data-end=\"1837\"\u003e\n\u003cp data-start=\"1839\" data-end=\"1854\"\u003e\u003cstrong data-start=\"1839\" data-end=\"1854\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1856\" data-end=\"2213\"\u003eCatalyst alerts are tied directly to emissions and engine-protection diagnostics. Mercury’s OEM harness ensures the signal arrives cleanly with no interference or incorrect wiring logic. Aftermarket connectors often cause false alarms or missed warnings, but this factory-built harness provides the reliability and durability needed in a marine environment.\u003c\/p\u003e\n\u003chr data-start=\"2215\" data-end=\"2218\"\u003e\n\u003cp data-start=\"2220\" data-end=\"2227\"\u003e\u003cstrong data-start=\"2220\" data-end=\"2227\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2229\" data-end=\"2370\"\u003e\u003cstrong data-start=\"2229\" data-end=\"2268\"\u003eQ1: What does this harness connect?\u003c\/strong\u003e\u003cbr data-start=\"2268\" data-end=\"2271\"\u003eIt links the engine’s OBDM catalyst-alert circuit to the malfunction light at a \u003cstrong data-start=\"2351\" data-end=\"2369\"\u003esecondary helm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2372\" data-end=\"2530\"\u003e\u003cstrong data-start=\"2372\" data-end=\"2421\"\u003eQ2: Why choose the 10-foot dual-helm version?\u003c\/strong\u003e\u003cbr data-start=\"2421\" data-end=\"2424\"\u003eIt’s ideal for upper helms, tower helms, or secondary consoles that sit close to the primary routing path.\u003c\/p\u003e\n\u003cp data-start=\"2532\" data-end=\"2635\"\u003e\u003cstrong data-start=\"2532\" data-end=\"2581\"\u003eQ3: Will it work with all MerCruiser engines?\u003c\/strong\u003e\u003cbr data-start=\"2581\" data-end=\"2584\"\u003eYes—so long as the engine is \u003cstrong data-start=\"2613\" data-end=\"2634\"\u003ecatalyst-equipped\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2637\" data-end=\"2749\"\u003e\u003cstrong data-start=\"2637\" data-end=\"2679\"\u003eQ4: Is the malfunction light included?\u003c\/strong\u003e\u003cbr data-start=\"2679\" data-end=\"2682\"\u003eNo. The dash light is sold separately as part number \u003cstrong data-start=\"2735\" data-end=\"2748\"\u003e8M0046481\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2751\" data-end=\"2868\"\u003e\u003cstrong data-start=\"2751\" data-end=\"2785\"\u003eQ5: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2785\" data-end=\"2788\"\u003eNo. It plugs in easily using OEM connectors and routes like any Mercury harness.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019730723,"sku":"84-8M0048040","price":25.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV709513.jpg?v=1698795792"},{"product_id":"mercury-harnes-1helm-15ft-84-8m0048054","title":"Mercury – Malfunction Light Harness | 15-Foot Single-Helm Cable | 84-8M0048054","description":"\u003cp data-start=\"0\" data-end=\"82\"\u003e\u003cstrong data-start=\"0\" data-end=\"82\"\u003eMercury – Malfunction Light Harness | 15-Foot Single-Helm Cable | 84-8M0048054\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"84\" data-end=\"87\"\u003e\n\u003cp data-start=\"89\" data-end=\"101\"\u003e\u003cstrong data-start=\"89\" data-end=\"101\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"103\" data-end=\"645\"\u003eCatalyst-equipped MerCruiser engines need a clean and dependable connection to the dash-mounted malfunction light, and this harness provides exactly that. The Mercury 84-8M0048054 Malfunction Light Harness gives you fifteen feet of length—ideal for single-helm boats that require a longer routing path from the engine compartment to the dash. Once installed, it ensures the catalyst warning light comes on the moment the OBDM system detects a fault, giving you the same kind of early alert you’d expect from a check-engine light in a vehicle.\u003c\/p\u003e\n\u003chr data-start=\"647\" data-end=\"650\"\u003e\n\u003cp data-start=\"652\" data-end=\"668\"\u003e\u003cstrong data-start=\"652\" data-end=\"668\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"672\" data-end=\"776\"\u003e\n\u003cstrong data-start=\"672\" data-end=\"695\"\u003e15-Foot Extension –\u003c\/strong\u003e Designed for single-helm layouts that need more reach than standard harnesses.\u003c\/li\u003e\n\u003cli data-start=\"779\" data-end=\"877\"\u003e\n\u003cstrong data-start=\"779\" data-end=\"801\"\u003eOBDM Signal Path –\u003c\/strong\u003e Carries catalyst malfunction alerts directly to the dash indicator light.\u003c\/li\u003e\n\u003cli data-start=\"880\" data-end=\"980\"\u003e\n\u003cstrong data-start=\"880\" data-end=\"912\"\u003eCatalyst-Engine Compatible –\u003c\/strong\u003e Built for all MerCruiser engines equipped with a catalyst system.\u003c\/li\u003e\n\u003cli data-start=\"983\" data-end=\"1088\"\u003e\n\u003cstrong data-start=\"983\" data-end=\"1006\"\u003eOEM Connector Fit –\u003c\/strong\u003e Factory Mercury connectors ensure proper pin alignment and a secure connection.\u003c\/li\u003e\n\u003cli data-start=\"1091\" data-end=\"1203\"\u003e\n\u003cstrong data-start=\"1091\" data-end=\"1120\"\u003eFlexible Routing Design –\u003c\/strong\u003e Long enough to run through consoles, rigging tunnels, and tight bulkhead spaces.\u003c\/li\u003e\n\u003cli data-start=\"1206\" data-end=\"1314\"\u003e\n\u003cstrong data-start=\"1206\" data-end=\"1235\"\u003eReliable Alert Delivery –\u003c\/strong\u003e Ensures the malfunction light activates accurately when service is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1316\" data-end=\"1319\"\u003e\n\u003cp data-start=\"1321\" data-end=\"1338\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1338\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1342\" data-end=\"1388\"\u003eAll \u003cstrong data-start=\"1346\" data-end=\"1386\"\u003eMerCruiser catalyst-equipped engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1391\" data-end=\"1444\"\u003eDash-mounted Catalyst Malfunction Light (8M0046481)\u003c\/li\u003e\n\u003cli data-start=\"1447\" data-end=\"1502\"\u003eSingle-helm installations requiring a 15-foot harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1504\" data-end=\"1507\"\u003e\n\u003cp data-start=\"1509\" data-end=\"1545\"\u003e\u003cstrong data-start=\"1509\" data-end=\"1545\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1547\" data-end=\"1943\"\u003eWith extra length for more complex helm layouts, this harness allows for clean, strain-free routing from the engine to the dash. It keeps the malfunction light tied directly into the catalyst monitoring system, ensuring you see an alert right away if the engine logs a catalyst-related fault. It’s an easy way to maintain proper oversight of the emissions system without adding a complex display.\u003c\/p\u003e\n\u003chr data-start=\"1945\" data-end=\"1948\"\u003e\n\u003cp data-start=\"1950\" data-end=\"1965\"\u003e\u003cstrong data-start=\"1950\" data-end=\"1965\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1967\" data-end=\"2383\"\u003eCatalyst alerts are tied to important emissions and engine-protection functions. Mercury’s OEM harness ensures the warning light receives a clean, accurate signal. Knockoff harnesses often suffer from loose connections or incorrect wiring, which can lead to false alarms or no alarm at all. The OEM version is built with proper shielding, durable connectors, and the right electrical logic for long-term reliability.\u003c\/p\u003e\n\u003chr data-start=\"2385\" data-end=\"2388\"\u003e\n\u003cp data-start=\"2390\" data-end=\"2397\"\u003e\u003cstrong data-start=\"2390\" data-end=\"2397\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2399\" data-end=\"2537\"\u003e\u003cstrong data-start=\"2399\" data-end=\"2447\"\u003eQ1: What does this harness actually connect?\u003c\/strong\u003e\u003cbr data-start=\"2447\" data-end=\"2450\"\u003eIt links the engine’s OBDM catalyst-alert signal to the dash-mounted malfunction light.\u003c\/p\u003e\n\u003cp data-start=\"2539\" data-end=\"2667\"\u003e\u003cstrong data-start=\"2539\" data-end=\"2578\"\u003eQ2: Why choose the 15-foot version?\u003c\/strong\u003e\u003cbr data-start=\"2578\" data-end=\"2581\"\u003eIt’s ideal for single-helm boats that need a longer harness to reach the dash cleanly.\u003c\/p\u003e\n\u003cp data-start=\"2669\" data-end=\"2779\"\u003e\u003cstrong data-start=\"2669\" data-end=\"2722\"\u003eQ3: Does this harness fit all MerCruiser engines?\u003c\/strong\u003e\u003cbr data-start=\"2722\" data-end=\"2725\"\u003eIt fits \u003cstrong data-start=\"2733\" data-end=\"2759\"\u003eonly catalyst-equipped\u003c\/strong\u003e MerCruiser engines.\u003c\/p\u003e\n\u003cp data-start=\"2781\" data-end=\"2884\"\u003e\u003cstrong data-start=\"2781\" data-end=\"2823\"\u003eQ4: Is the malfunction light included?\u003c\/strong\u003e\u003cbr data-start=\"2823\" data-end=\"2826\"\u003eNo. The light is sold separately as part number 8M0046481.\u003c\/p\u003e\n\u003cp data-start=\"2886\" data-end=\"3004\"\u003e\u003cstrong data-start=\"2886\" data-end=\"2922\"\u003eQ5: Is installation complicated?\u003c\/strong\u003e\u003cbr data-start=\"2922\" data-end=\"2925\"\u003eNo. It plugs in using OEM connectors and routes like any standard dash harness.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019763491,"sku":"84-8M0048054","price":19.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV703953.jpg?v=1698795794"},{"product_id":"mercury-harnes-1helm-10ft-84-8m0048049","title":"Mercury – Malfunction Light Harness | 10-Foot Single-Helm Cable | 84-8M0048049","description":"\u003cp data-start=\"0\" data-end=\"82\"\u003e\u003cstrong data-start=\"0\" data-end=\"82\"\u003eMercury – Malfunction Light Harness | 10-Foot Single-Helm Cable | 84-8M0048049\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"84\" data-end=\"87\"\u003e\n\u003cp data-start=\"89\" data-end=\"101\"\u003e\u003cstrong data-start=\"89\" data-end=\"101\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"103\" data-end=\"512\"\u003eCatalyst-equipped MerCruiser engines need a clean, reliable way to connect their dash-mounted malfunction light to the engine’s diagnostic circuit. The Mercury 84-8M0048049 Malfunction Light Harness provides that link. At ten feet long, it’s sized for typical single-helm layouts and delivers a direct connection so the catalyst warning light can illuminate whenever the engine’s OBDM system detects an issue.\u003c\/p\u003e\n\u003chr data-start=\"514\" data-end=\"517\"\u003e\n\u003cp data-start=\"519\" data-end=\"535\"\u003e\u003cstrong data-start=\"519\" data-end=\"535\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"539\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"539\" data-end=\"560\"\u003e10-Foot Harness –\u003c\/strong\u003e Built for single-helm installations requiring a clean run to the dash light.\u003c\/li\u003e\n\u003cli data-start=\"642\" data-end=\"752\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"663\"\u003eOBDM Connection –\u003c\/strong\u003e Carries the catalyst malfunction signal from the engine to the dash-mounted indicator.\u003c\/li\u003e\n\u003cli data-start=\"755\" data-end=\"858\"\u003e\n\u003cstrong data-start=\"755\" data-end=\"787\"\u003eCatalyst-Engine Compatible –\u003c\/strong\u003e Designed for all MerCruiser engines equipped with a catalyst system.\u003c\/li\u003e\n\u003cli data-start=\"861\" data-end=\"951\"\u003e\n\u003cstrong data-start=\"861\" data-end=\"884\"\u003eOEM Connector Fit –\u003c\/strong\u003e Factory plugs ensure proper pin alignment and secure engagement.\u003c\/li\u003e\n\u003cli data-start=\"954\" data-end=\"1059\"\u003e\n\u003cstrong data-start=\"954\" data-end=\"978\"\u003eClean Routing Path –\u003c\/strong\u003e Flexible jacket makes it easy to run through rigging tunnels or behind panels.\u003c\/li\u003e\n\u003cli data-start=\"1062\" data-end=\"1169\"\u003e\n\u003cstrong data-start=\"1062\" data-end=\"1092\"\u003eReliable Signal Delivery –\u003c\/strong\u003e Allows the malfunction light to trigger accurately when service is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1171\" data-end=\"1174\"\u003e\n\u003cp data-start=\"1176\" data-end=\"1193\"\u003e\u003cstrong data-start=\"1176\" data-end=\"1193\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1197\" data-end=\"1243\"\u003eAll \u003cstrong data-start=\"1201\" data-end=\"1241\"\u003eMerCruiser catalyst-equipped engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1246\" data-end=\"1299\"\u003eDash-mounted catalyst malfunction light (8M0046481)\u003c\/li\u003e\n\u003cli data-start=\"1302\" data-end=\"1338\"\u003eSingle-helm harness routing setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1340\" data-end=\"1343\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1381\"\u003e\u003cstrong data-start=\"1345\" data-end=\"1381\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1383\" data-end=\"1839\"\u003eThis harness keeps the catalyst malfunction light tied directly into the engine’s diagnostic system. The ten-foot length gives you enough room to route it cleanly from the engine compartment to the helm without stretching or forcing tight bends. Once installed, it ensures the dash light responds immediately when the catalyst system logs a fault—similar to the check-engine light on a car—helping you address issues sooner and avoid bigger problems later.\u003c\/p\u003e\n\u003chr data-start=\"1841\" data-end=\"1844\"\u003e\n\u003cp data-start=\"1846\" data-end=\"1861\"\u003e\u003cstrong data-start=\"1846\" data-end=\"1861\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1863\" data-end=\"2273\"\u003eCatalyst warnings are tied to emissions and engine protection systems, so the wiring needs to be accurate and dependable. Mercury’s OEM harness matches the engine’s electrical logic exactly, preventing false alerts or silent failures that can happen with off-brand wiring. The connectors fit tightly, the shielding holds up, and the harness is built to survive heat, moisture, and vibration in the engine room.\u003c\/p\u003e\n\u003chr data-start=\"2275\" data-end=\"2278\"\u003e\n\u003cp data-start=\"2280\" data-end=\"2287\"\u003e\u003cstrong data-start=\"2280\" data-end=\"2287\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2289\" data-end=\"2419\"\u003e\u003cstrong data-start=\"2289\" data-end=\"2328\"\u003eQ1: What does this harness connect?\u003c\/strong\u003e\u003cbr data-start=\"2328\" data-end=\"2331\"\u003eIt links the engine’s OBDM catalyst alert circuit to the dash-mounted malfunction light.\u003c\/p\u003e\n\u003cp data-start=\"2421\" data-end=\"2538\"\u003e\u003cstrong data-start=\"2421\" data-end=\"2462\"\u003eQ2: Is it only for single-helm boats?\u003c\/strong\u003e\u003cbr data-start=\"2462\" data-end=\"2465\"\u003eYes. The 10-foot length is designed specifically for single-helm routing.\u003c\/p\u003e\n\u003cp data-start=\"2540\" data-end=\"2645\"\u003e\u003cstrong data-start=\"2540\" data-end=\"2586\"\u003eQ3: Will it work on any MerCruiser engine?\u003c\/strong\u003e\u003cbr data-start=\"2586\" data-end=\"2589\"\u003eIt works on any \u003cstrong data-start=\"2605\" data-end=\"2626\"\u003ecatalyst-equipped\u003c\/strong\u003e MerCruiser engine.\u003c\/p\u003e\n\u003cp data-start=\"2647\" data-end=\"2763\"\u003e\u003cstrong data-start=\"2647\" data-end=\"2703\"\u003eQ4: Does this harness include the malfunction light?\u003c\/strong\u003e\u003cbr data-start=\"2703\" data-end=\"2706\"\u003eNo. The light is sold separately (part number 8M0046481).\u003c\/p\u003e\n\u003cp data-start=\"2765\" data-end=\"2878\"\u003e\u003cstrong data-start=\"2765\" data-end=\"2805\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"2805\" data-end=\"2808\"\u003eYes. It uses OEM connectors and routes like any standard helm harness.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936019960099,"sku":"84-8M0048049","price":16.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV707230.jpg?v=1698795795"},{"product_id":"mercury-harness-84-898289t76","title":"Mercury – Fuel Tank Harness | 240-Inch Tank Sender Lead | 84-898289T76","description":"\u003cp data-start=\"0\" data-end=\"74\"\u003e\u003cstrong data-start=\"0\" data-end=\"74\"\u003eMercury – Fuel Tank Harness | 240-Inch Tank Sender Lead | 84-898289T76\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"76\" data-end=\"79\"\u003e\n\u003cp data-start=\"81\" data-end=\"93\"\u003e\u003cstrong data-start=\"81\" data-end=\"93\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"95\" data-end=\"538\"\u003eLarge offshore rigs and high-horsepower sterndrives often place the fuel tank far from the engine rigging point, and a standard harness just won’t reach. The Mercury 84-898289T76 Fuel Tank Harness gives you a full 240 inches of length—enough to make a clean, reliable connection between the tank sender and engines like the 350 Verado SCI or the 565–1650 Racing sterndrive series. It’s built for long runs where accuracy and durability matter.\u003c\/p\u003e\n\u003chr data-start=\"540\" data-end=\"543\"\u003e\n\u003cp data-start=\"545\" data-end=\"561\"\u003e\u003cstrong data-start=\"545\" data-end=\"561\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"565\" data-end=\"661\"\u003e\n\u003cstrong data-start=\"565\" data-end=\"589\"\u003e240-Inch Extension –\u003c\/strong\u003e Provides twenty feet of length for long-distance tank-sender routing.\u003c\/li\u003e\n\u003cli data-start=\"664\" data-end=\"759\"\u003e\n\u003cstrong data-start=\"664\" data-end=\"694\"\u003eStable Fuel-Level Signal –\u003c\/strong\u003e Carries clean data from the tank sender to the engine harness.\u003c\/li\u003e\n\u003cli data-start=\"762\" data-end=\"860\"\u003e\n\u003cstrong data-start=\"762\" data-end=\"793\"\u003eHigh-Performance Coverage –\u003c\/strong\u003e Designed for the 350 Verado SCI and 565–1650 Racing sterndrives.\u003c\/li\u003e\n\u003cli data-start=\"863\" data-end=\"953\"\u003e\n\u003cstrong data-start=\"863\" data-end=\"888\"\u003eLong-Run Capability –\u003c\/strong\u003e Built for boats with large footprints or deep rigging tunnels.\u003c\/li\u003e\n\u003cli data-start=\"956\" data-end=\"1034\"\u003e\n\u003cstrong data-start=\"956\" data-end=\"980\"\u003eOEM Connector Ends –\u003c\/strong\u003e Factory plugs ensure tight, dependable connections.\u003c\/li\u003e\n\u003cli data-start=\"1037\" data-end=\"1137\"\u003e\n\u003cstrong data-start=\"1037\" data-end=\"1064\"\u003eFlexible Marine Cable –\u003c\/strong\u003e Routes smoothly through bulkheads, chases, and extended rigging paths.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1139\" data-end=\"1142\"\u003e\n\u003cp data-start=\"1144\" data-end=\"1161\"\u003e\u003cstrong data-start=\"1144\" data-end=\"1161\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1165\" data-end=\"1181\"\u003e350 Verado SCI\u003c\/li\u003e\n\u003cli data-start=\"1184\" data-end=\"1221\"\u003e565–1650 Mercury Racing sterndrives\u003c\/li\u003e\n\u003cli data-start=\"1224\" data-end=\"1273\"\u003eFuel tank senders requiring long-run harnessing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1275\" data-end=\"1278\"\u003e\n\u003cp data-start=\"1280\" data-end=\"1316\"\u003e\u003cstrong data-start=\"1280\" data-end=\"1316\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1318\" data-end=\"1700\"\u003eThis harness gives you the distance needed to route fuel-sender wiring cleanly on big boats or performance hulls. With a full 240 inches to work with, the cable can follow natural rigging paths without strain, sharp bends, or improvised extensions. Once connected, the signal stays stable, helping the helm display accurate fuel-level information—even on long, vibration-prone runs.\u003c\/p\u003e\n\u003chr data-start=\"1702\" data-end=\"1705\"\u003e\n\u003cp data-start=\"1707\" data-end=\"1722\"\u003e\u003cstrong data-start=\"1707\" data-end=\"1722\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1724\" data-end=\"2069\"\u003eFuel-level accuracy depends on proper wiring, tight connectors, and durable shielding. Mercury’s OEM harness maintains those standards across the full length, preventing voltage drop, noise, or erratic readings that often show up with off-brand extensions. The factory build is made to withstand heat, movement, and real-world marine conditions.\u003c\/p\u003e\n\u003chr data-start=\"2071\" data-end=\"2074\"\u003e\n\u003cp data-start=\"2076\" data-end=\"2083\"\u003e\u003cstrong data-start=\"2076\" data-end=\"2083\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2085\" data-end=\"2250\"\u003e\u003cstrong data-start=\"2085\" data-end=\"2129\"\u003eQ1: When do I need the 240-inch harness?\u003c\/strong\u003e\u003cbr data-start=\"2129\" data-end=\"2132\"\u003eWhen the fuel tank sender sits far from the engine rigging point—common on large consoles and Racing sterndrive boats.\u003c\/p\u003e\n\u003cp data-start=\"2252\" data-end=\"2406\"\u003e\u003cstrong data-start=\"2252\" data-end=\"2306\"\u003eQ2: Does this harness improve fuel-level accuracy?\u003c\/strong\u003e\u003cbr data-start=\"2306\" data-end=\"2309\"\u003eIt keeps the signal steady over long distances, which helps the gauge or display stay consistent.\u003c\/p\u003e\n\u003cp data-start=\"2408\" data-end=\"2535\"\u003e\u003cstrong data-start=\"2408\" data-end=\"2443\"\u003eQ3: Is it only for sterndrives?\u003c\/strong\u003e\u003cbr data-start=\"2443\" data-end=\"2446\"\u003eNo. It’s used heavily on the 350 Verado SCI as well, or any setup that needs this length.\u003c\/p\u003e\n\u003cp data-start=\"2537\" data-end=\"2678\"\u003e\u003cstrong data-start=\"2537\" data-end=\"2588\"\u003eQ4: Does it require special installation steps?\u003c\/strong\u003e\u003cbr data-start=\"2588\" data-end=\"2591\"\u003eNo. It plugs directly into the sender lead and engine harness using factory connectors.\u003c\/p\u003e\n\u003cp data-start=\"2680\" data-end=\"2807\"\u003e\u003cstrong data-start=\"2680\" data-end=\"2723\"\u003eQ5: Can it handle harsh rigging routes?\u003c\/strong\u003e\u003cbr data-start=\"2723\" data-end=\"2726\"\u003eYes. The OEM cable jacket and connectors are built for long-term marine exposure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936022843683,"sku":"84-898289T76","price":48.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV479483.jpg?v=1698795809"},{"product_id":"mercury-harness-84-898289t75","title":"Mercury – Fuel Tank Harness | 120-Inch Tank Sender Lead | 84-898289T75","description":"\u003cp data-start=\"0\" data-end=\"74\"\u003e\u003cstrong data-start=\"0\" data-end=\"74\"\u003eMercury – Fuel Tank Harness | 120-Inch Tank Sender Lead | 84-898289T75\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"76\" data-end=\"79\"\u003e\n\u003cp data-start=\"81\" data-end=\"93\"\u003e\u003cstrong data-start=\"81\" data-end=\"93\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"95\" data-end=\"662\"\u003eBig offshore engines and high-horsepower sterndrives need reliable fuel-level information, and that starts with a clean connection from the tank sender to the engine’s harness. The Mercury 84-898289T75 Fuel Tank Harness provides a 120-inch run designed to link fuel tank senders to engines such as the 350 Verado SCI and the 565–1650 series sterndrives. It also works across the full lineup, including the 450R and even the V12 platforms. It’s a long, flexible harness built to keep fuel-level data accurate, no matter how large the boat or how long the rigging path.\u003c\/p\u003e\n\u003chr data-start=\"664\" data-end=\"667\"\u003e\n\u003cp data-start=\"669\" data-end=\"685\"\u003e\u003cstrong data-start=\"669\" data-end=\"685\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"689\" data-end=\"806\"\u003e\n\u003cstrong data-start=\"689\" data-end=\"711\"\u003e120-Inch Harness –\u003c\/strong\u003e Provides ten feet of length for long rigging runs between tank senders and engine harnesses.\u003c\/li\u003e\n\u003cli data-start=\"809\" data-end=\"906\"\u003e\n\u003cstrong data-start=\"809\" data-end=\"837\"\u003eFuel Sender Connection –\u003c\/strong\u003e Carries clean, stable fuel-level data from the tank to the engine.\u003c\/li\u003e\n\u003cli data-start=\"909\" data-end=\"998\"\u003e\n\u003cstrong data-start=\"909\" data-end=\"935\"\u003eWide Engine Coverage –\u003c\/strong\u003e Built for the 350 Verado SCI and 565–1650 sterndrive models.\u003c\/li\u003e\n\u003cli data-start=\"1001\" data-end=\"1107\"\u003e\n\u003cstrong data-start=\"1001\" data-end=\"1030\"\u003eFull-Line Compatibility –\u003c\/strong\u003e Also works with 450R, V12, and other engines requiring a tank-sender link.\u003c\/li\u003e\n\u003cli data-start=\"1110\" data-end=\"1193\"\u003e\n\u003cstrong data-start=\"1110\" data-end=\"1133\"\u003eOEM Connector Fit –\u003c\/strong\u003e Factory Mercury ends provide a snug, reliable connection.\u003c\/li\u003e\n\u003cli data-start=\"1196\" data-end=\"1299\"\u003e\n\u003cstrong data-start=\"1196\" data-end=\"1225\"\u003eRigging-Friendly Layout –\u003c\/strong\u003e Flexible enough to route through tight rigging channels or long chases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1301\" data-end=\"1304\"\u003e\n\u003cp data-start=\"1306\" data-end=\"1323\"\u003e\u003cstrong data-start=\"1306\" data-end=\"1323\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1327\" data-end=\"1343\"\u003e350 Verado SCI\u003c\/li\u003e\n\u003cli data-start=\"1346\" data-end=\"1383\"\u003e565–1650 Mercury Racing sterndrives\u003c\/li\u003e\n\u003cli data-start=\"1386\" data-end=\"1402\"\u003e450R outboards\u003c\/li\u003e\n\u003cli data-start=\"1405\" data-end=\"1420\"\u003eV12 outboards\u003c\/li\u003e\n\u003cli data-start=\"1423\" data-end=\"1483\"\u003eFuel tank senders requiring a dedicated harness connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1485\" data-end=\"1488\"\u003e\n\u003cp data-start=\"1490\" data-end=\"1526\"\u003e\u003cstrong data-start=\"1490\" data-end=\"1526\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1528\" data-end=\"1951\"\u003eThis harness gives you the length needed to run a proper fuel-sender connection on large center consoles, performance hulls, and deep-rigged boats. The signal stays clean across the entire 120-inch run, helping the engine and helm display show accurate, steady fuel-level information. It prevents the strain and voltage drop that can happen with makeshift extensions, and it keeps the wiring layout simple and professional.\u003c\/p\u003e\n\u003chr data-start=\"1953\" data-end=\"1956\"\u003e\n\u003cp data-start=\"1958\" data-end=\"1973\"\u003e\u003cstrong data-start=\"1958\" data-end=\"1973\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1975\" data-end=\"2353\"\u003eFuel-level data needs a stable, noise-free pathway to avoid erratic gauge readings. Mercury’s OEM harness uses the correct wire gauge, shielding, and connector design to keep the signal clean. Aftermarket substitutes often struggle with vibration, loose connections, or corrosion. The factory harness stays secure and dependable, even on high-horsepower rigs that see heavy use.\u003c\/p\u003e\n\u003chr data-start=\"2355\" data-end=\"2358\"\u003e\n\u003cp data-start=\"2360\" data-end=\"2367\"\u003e\u003cstrong data-start=\"2360\" data-end=\"2367\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2369\" data-end=\"2526\"\u003e\u003cstrong data-start=\"2369\" data-end=\"2427\"\u003eQ1: When should I use this 120-inch fuel tank harness?\u003c\/strong\u003e\u003cbr data-start=\"2427\" data-end=\"2430\"\u003eWhen the tank sender is farther from the engine rigging point than standard harnesses can reach.\u003c\/p\u003e\n\u003cp data-start=\"2528\" data-end=\"2645\"\u003e\u003cstrong data-start=\"2528\" data-end=\"2582\"\u003eQ2: Does it work with modern high-power outboards?\u003c\/strong\u003e\u003cbr data-start=\"2582\" data-end=\"2585\"\u003eYes—it's used on everything from the 450R to the V12 models.\u003c\/p\u003e\n\u003cp data-start=\"2647\" data-end=\"2771\"\u003e\u003cstrong data-start=\"2647\" data-end=\"2680\"\u003eQ3: Is it only for outboards?\u003c\/strong\u003e\u003cbr data-start=\"2680\" data-end=\"2683\"\u003eNo. It’s also designed for high-performance sterndrives, including the 565–1650 engines.\u003c\/p\u003e\n\u003cp data-start=\"2773\" data-end=\"2905\"\u003e\u003cstrong data-start=\"2773\" data-end=\"2825\"\u003eQ4: Does the harness affect fuel-level accuracy?\u003c\/strong\u003e\u003cbr data-start=\"2825\" data-end=\"2828\"\u003eIt helps maintain stable readings by providing a clean, OEM-spec signal path.\u003c\/p\u003e\n\u003cp data-start=\"2907\" data-end=\"3038\"\u003e\u003cstrong data-start=\"2907\" data-end=\"2947\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"2947\" data-end=\"2950\"\u003eYes. It plugs into the tank sender lead and the engine harness using factory connectors.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936022909219,"sku":"84-898289T75","price":31.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV480802.jpg?v=1698795810"},{"product_id":"mercury-adptr-harness-84-898285t01","title":"Mercury – Boat Harness Adapter | 6-Pin Engine-to-Boat Connector | 84-898285T01","description":"\u003cp data-start=\"0\" data-end=\"82\"\u003e\u003cstrong data-start=\"0\" data-end=\"82\"\u003eMercury – Boat Harness Adapter | 6-Pin Engine-to-Boat Connector | 84-898285T01\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"84\" data-end=\"87\"\u003e\n\u003cp data-start=\"89\" data-end=\"101\"\u003e\u003cstrong data-start=\"89\" data-end=\"101\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"103\" data-end=\"455\"\u003eSome newer engines ship with a female 6-pin connector, but plenty of existing boats still use a female 6-pin harness. The Mercury 84-898285T01 Boat Harness Adapter solves that mismatch. It provides a simple way to bridge the two ends without modifying the wiring, letting the engine and boat harness connect cleanly and communicate the way they should.\u003c\/p\u003e\n\u003chr data-start=\"457\" data-end=\"460\"\u003e\n\u003cp data-start=\"462\" data-end=\"478\"\u003e\u003cstrong data-start=\"462\" data-end=\"478\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"482\" data-end=\"574\"\u003e\n\u003cstrong data-start=\"482\" data-end=\"508\"\u003e6-Pin Gender Adapter –\u003c\/strong\u003e Joins a female engine connector to a female 6-pin boat harness.\u003c\/li\u003e\n\u003cli data-start=\"577\" data-end=\"654\"\u003e\n\u003cstrong data-start=\"577\" data-end=\"600\"\u003eClean Plug-In Fit –\u003c\/strong\u003e Removes the need for rewiring or makeshift splices.\u003c\/li\u003e\n\u003cli data-start=\"657\" data-end=\"749\"\u003e\n\u003cstrong data-start=\"657\" data-end=\"684\"\u003eOEM Connector Quality –\u003c\/strong\u003e Factory Mercury ends lock in securely and hold tight underway.\u003c\/li\u003e\n\u003cli data-start=\"752\" data-end=\"844\"\u003e\n\u003cstrong data-start=\"752\" data-end=\"778\"\u003eReliable Signal Path –\u003c\/strong\u003e Maintains stable communication between engine and helm systems.\u003c\/li\u003e\n\u003cli data-start=\"847\" data-end=\"929\"\u003e\n\u003cstrong data-start=\"847\" data-end=\"875\"\u003eQuick Rigging Solution –\u003c\/strong\u003e Drops in easily during repowers or harness updates.\u003c\/li\u003e\n\u003cli data-start=\"932\" data-end=\"1023\"\u003e\n\u003cstrong data-start=\"932\" data-end=\"952\"\u003eCompact Design –\u003c\/strong\u003e Fits neatly into tight rigging tunnels or behind the engine cowling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1025\" data-end=\"1028\"\u003e\n\u003cp data-start=\"1030\" data-end=\"1047\"\u003e\u003cstrong data-start=\"1030\" data-end=\"1047\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1051\" data-end=\"1104\"\u003eNewer Mercury engines with a female 6-pin connector\u003c\/li\u003e\n\u003cli data-start=\"1107\" data-end=\"1148\"\u003eBoats using a female 6-pin boat harness\u003c\/li\u003e\n\u003cli data-start=\"1151\" data-end=\"1239\"\u003eStandard SmartCraft\/analog hybrid rigging layouts where a 6-pin connection is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1241\" data-end=\"1244\"\u003e\n\u003cp data-start=\"1246\" data-end=\"1282\"\u003e\u003cstrong data-start=\"1246\" data-end=\"1282\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1284\" data-end=\"1646\"\u003eThis adapter removes one of the most common repower headaches—male\/female mismatch between the engine and the boat harness. Once installed, the plug connection feels secure, the cabling lays naturally, and the signal passes cleanly between the two systems. It keeps the rigging neat, avoids unnecessary cable changes, and makes the upgrade process much smoother.\u003c\/p\u003e\n\u003chr data-start=\"1648\" data-end=\"1651\"\u003e\n\u003cp data-start=\"1653\" data-end=\"1668\"\u003e\u003cstrong data-start=\"1653\" data-end=\"1668\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1670\" data-end=\"2025\"\u003eMercury connectors are built for tight pin alignment, proper sealing, and long-term vibration resistance. Using the OEM adapter ensures the connection won’t loosen, corrode, or cause intermittent faults—issues that cheap aftermarket adapters often introduce. The factory fit keeps the network stable and protects communication between the engine and helm.\u003c\/p\u003e\n\u003chr data-start=\"2027\" data-end=\"2030\"\u003e\n\u003cp data-start=\"2032\" data-end=\"2039\"\u003e\u003cstrong data-start=\"2032\" data-end=\"2039\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2041\" data-end=\"2178\"\u003e\u003cstrong data-start=\"2041\" data-end=\"2077\"\u003eQ1: When do I need this adapter?\u003c\/strong\u003e\u003cbr data-start=\"2077\" data-end=\"2080\"\u003eWhenever a new engine has a female 6-pin connector but the boat still uses a female 6-pin harness.\u003c\/p\u003e\n\u003cp data-start=\"2180\" data-end=\"2312\"\u003e\u003cstrong data-start=\"2180\" data-end=\"2225\"\u003eQ2: Does this adapter change any signals?\u003c\/strong\u003e\u003cbr data-start=\"2225\" data-end=\"2228\"\u003eNo. It simply provides the correct physical connection between the two harness ends.\u003c\/p\u003e\n\u003cp data-start=\"2314\" data-end=\"2429\"\u003e\u003cstrong data-start=\"2314\" data-end=\"2362\"\u003eQ3: Will this work with older 6-pin systems?\u003c\/strong\u003e\u003cbr data-start=\"2362\" data-end=\"2365\"\u003eYes. As long as the boat harness uses the standard 6-pin layout.\u003c\/p\u003e\n\u003cp data-start=\"2431\" data-end=\"2532\"\u003e\u003cstrong data-start=\"2431\" data-end=\"2465\"\u003eQ4: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2465\" data-end=\"2468\"\u003eNo. It plugs in directly with OEM connectors—no rewiring needed.\u003c\/p\u003e\n\u003cp data-start=\"2534\" data-end=\"2652\"\u003e\u003cstrong data-start=\"2534\" data-end=\"2577\"\u003eQ5: Can it handle saltwater conditions?\u003c\/strong\u003e\u003cbr data-start=\"2577\" data-end=\"2580\"\u003eYes. The OEM connector housings are built for long-term marine exposure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936023204131,"sku":"84-898285T01","price":16.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV642680.jpg?v=1698795811"},{"product_id":"mercury-harness-assy-84-898284t01","title":"Mercury – Quad Engine Instrument Adapter | Shared Gauge Power Link | 84-898284T01","description":"\u003cp data-start=\"0\" data-end=\"85\"\u003e\u003cstrong data-start=\"0\" data-end=\"85\"\u003eMercury – Quad Engine Instrument Adapter | Shared Gauge Power Link | 84-898284T01\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"87\" data-end=\"90\"\u003e\n\u003cp data-start=\"92\" data-end=\"104\"\u003e\u003cstrong data-start=\"92\" data-end=\"104\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"106\" data-end=\"564\"\u003eOn quad-engine boats, keeping gauge power simple can be a challenge. The Mercury 84-898284T01 Quad Engine Instrument Adapter takes the guesswork out of it by letting SmartCraft gauges power up from \u003cem data-start=\"304\" data-end=\"309\"\u003eany\u003c\/em\u003e of the four key switches. Whether the port engine comes online first or the starboard pair fires up together, the gauges wake cleanly and in sync. It keeps the helm predictable and avoids the wiring clutter that often comes with multi-engine power feeds.\u003c\/p\u003e\n\u003chr data-start=\"566\" data-end=\"569\"\u003e\n\u003cp data-start=\"571\" data-end=\"587\"\u003e\u003cstrong data-start=\"571\" data-end=\"587\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"591\" data-end=\"694\"\u003e\n\u003cstrong data-start=\"591\" data-end=\"616\"\u003eFour-Key Power Link –\u003c\/strong\u003e Allows SmartCraft gauges to power from any of the four engine key switches.\u003c\/li\u003e\n\u003cli data-start=\"697\" data-end=\"795\"\u003e\n\u003cstrong data-start=\"697\" data-end=\"732\"\u003eFull SmartCraft Compatibility –\u003c\/strong\u003e Supports all SmartCraft-equipped quad-engine configurations.\u003c\/li\u003e\n\u003cli data-start=\"798\" data-end=\"887\"\u003e\n\u003cstrong data-start=\"798\" data-end=\"826\"\u003eSimplified Helm Wiring –\u003c\/strong\u003e Removes the need for multiple, isolated gauge power feeds.\u003c\/li\u003e\n\u003cli data-start=\"890\" data-end=\"985\"\u003e\n\u003cstrong data-start=\"890\" data-end=\"920\"\u003eConsistent Gauge Startup –\u003c\/strong\u003e Ensures gauges power up together regardless of start sequence.\u003c\/li\u003e\n\u003cli data-start=\"988\" data-end=\"1074\"\u003e\n\u003cstrong data-start=\"988\" data-end=\"1011\"\u003eOEM Connector Set –\u003c\/strong\u003e Factory SmartCraft ends provide a secure, clean plug-in fit.\u003c\/li\u003e\n\u003cli data-start=\"1077\" data-end=\"1170\"\u003e\n\u003cstrong data-start=\"1077\" data-end=\"1106\"\u003eMarine-Grade Durability –\u003c\/strong\u003e Built to handle vibration, heat, and tight helm environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1172\" data-end=\"1175\"\u003e\n\u003cp data-start=\"1177\" data-end=\"1194\"\u003e\u003cstrong data-start=\"1177\" data-end=\"1194\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1198\" data-end=\"1232\"\u003eQuad-engine SmartCraft outboards\u003c\/li\u003e\n\u003cli data-start=\"1235\" data-end=\"1271\"\u003eQuad-engine SmartCraft sterndrives\u003c\/li\u003e\n\u003cli data-start=\"1274\" data-end=\"1306\"\u003eSmartCraft instrument networks\u003c\/li\u003e\n\u003cli data-start=\"1309\" data-end=\"1343\"\u003eKey-switch powered gauge systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1345\" data-end=\"1348\"\u003e\n\u003cp data-start=\"1350\" data-end=\"1386\"\u003e\u003cstrong data-start=\"1350\" data-end=\"1386\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1388\" data-end=\"1769\"\u003eThis adapter keeps gauge behavior smooth and predictable across all four engines. Instead of waiting for a specific engine to start—or watching gauges half-wake—the helm comes online cleanly from whichever key is turned first. The wiring stays tidier, troubleshooting becomes easier, and the entire startup routine feels more controlled and confident on larger, more complex boats.\u003c\/p\u003e\n\u003chr data-start=\"1771\" data-end=\"1774\"\u003e\n\u003cp data-start=\"1776\" data-end=\"1791\"\u003e\u003cstrong data-start=\"1776\" data-end=\"1791\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1793\" data-end=\"2174\"\u003eSmartCraft gauge power timing must follow Mercury’s electrical logic to avoid flickering screens, delayed wake-ups, or nuisance faults. The OEM adapter uses the correct pinout, shielding, and internal wiring design to keep the gauge system stable. Aftermarket substitutes often introduce small inconsistencies that show up during startup—issues the factory harness avoids entirely.\u003c\/p\u003e\n\u003chr data-start=\"2176\" data-end=\"2179\"\u003e\n\u003cp data-start=\"2181\" data-end=\"2188\"\u003e\u003cstrong data-start=\"2181\" data-end=\"2188\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2190\" data-end=\"2354\"\u003e\u003cstrong data-start=\"2190\" data-end=\"2251\"\u003eQ1: When should a quad engine instrument adapter be used?\u003c\/strong\u003e\u003cbr data-start=\"2251\" data-end=\"2254\"\u003eAny time a quad-engine SmartCraft setup needs the gauges to power up from any individual key switch.\u003c\/p\u003e\n\u003cp data-start=\"2356\" data-end=\"2454\"\u003e\u003cstrong data-start=\"2356\" data-end=\"2404\"\u003eQ2: Does this adapter affect gauge readings?\u003c\/strong\u003e\u003cbr data-start=\"2404\" data-end=\"2407\"\u003eNo. It only manages power, not SmartCraft data.\u003c\/p\u003e\n\u003cp data-start=\"2456\" data-end=\"2570\"\u003e\u003cstrong data-start=\"2456\" data-end=\"2507\"\u003eQ3: Will it work with older SmartCraft engines?\u003c\/strong\u003e\u003cbr data-start=\"2507\" data-end=\"2510\"\u003eYes—any SmartCraft-compatible quad-engine layout can use it.\u003c\/p\u003e\n\u003cp data-start=\"2572\" data-end=\"2664\"\u003e\u003cstrong data-start=\"2572\" data-end=\"2604\"\u003eQ4: Is installation complex?\u003c\/strong\u003e\u003cbr data-start=\"2604\" data-end=\"2607\"\u003eNo. It plugs inline with existing SmartCraft helm wiring.\u003c\/p\u003e\n\u003cp data-start=\"2666\" data-end=\"2780\"\u003e\u003cstrong data-start=\"2666\" data-end=\"2710\"\u003eQ5: Does it improve startup consistency?\u003c\/strong\u003e\u003cbr data-start=\"2710\" data-end=\"2713\"\u003eYes. Gauges wake reliably no matter which engine is keyed on first.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936023236899,"sku":"84-898284T01","price":86.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV647988.jpg?v=1698795810"},{"product_id":"mercury-harness-assy-84-898059t25","title":"Mercury – Tab Extension Harness Assembly | 25-Foot Trim Tab Lead | 84-898059T25","description":"\u003cp data-start=\"0\" data-end=\"83\"\u003e\u003cstrong data-start=\"0\" data-end=\"83\"\u003eMercury – Tab Extension Harness Assembly | 25-Foot Trim Tab Lead | 84-898059T25\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"85\" data-end=\"88\"\u003e\n\u003cp data-start=\"90\" data-end=\"102\"\u003e\u003cstrong data-start=\"90\" data-end=\"102\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"104\" data-end=\"525\"\u003eLarge boats and long rigging runs often need more room to position trim tab wiring cleanly. The Mercury 84-898059T25 Tab Extension Harness Assembly adds twenty-five feet of length, giving you the flexibility to route the harness through console chases, under-deck channels, or wide transom spans without stressing the original wiring. Once installed, the system responds smoothly and the rigging looks far more organized.\u003c\/p\u003e\n\u003chr data-start=\"527\" data-end=\"530\"\u003e\n\u003cp data-start=\"532\" data-end=\"548\"\u003e\u003cstrong data-start=\"532\" data-end=\"548\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"552\" data-end=\"647\"\u003e\n\u003cstrong data-start=\"552\" data-end=\"575\"\u003e25-Foot Extension –\u003c\/strong\u003e Provides maximum reach for long helm-to-transom trim tab wiring runs.\u003c\/li\u003e\n\u003cli data-start=\"650\" data-end=\"758\"\u003e\n\u003cstrong data-start=\"650\" data-end=\"678\"\u003eOEM Tab Harness Design –\u003c\/strong\u003e Built to extend Mercury trim tab system wiring with proper fit and shielding.\u003c\/li\u003e\n\u003cli data-start=\"761\" data-end=\"862\"\u003e\n\u003cstrong data-start=\"761\" data-end=\"791\"\u003eFlexible Routing Options –\u003c\/strong\u003e Ideal for larger hulls, complex rigging paths, or wide-beam layouts.\u003c\/li\u003e\n\u003cli data-start=\"865\" data-end=\"954\"\u003e\n\u003cstrong data-start=\"865\" data-end=\"893\"\u003eFactory Connector Ends –\u003c\/strong\u003e Ensures a secure, plug-in connection without modification.\u003c\/li\u003e\n\u003cli data-start=\"957\" data-end=\"1062\"\u003e\n\u003cstrong data-start=\"957\" data-end=\"985\"\u003eStable Electrical Path –\u003c\/strong\u003e Maintains consistent trim tab response across the entire extension length.\u003c\/li\u003e\n\u003cli data-start=\"1065\" data-end=\"1172\"\u003e\n\u003cstrong data-start=\"1065\" data-end=\"1096\"\u003eMarine-Ready Construction –\u003c\/strong\u003e Withstands vibration, moisture, and long-term movement in rigging spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1174\" data-end=\"1177\"\u003e\n\u003cp data-start=\"1179\" data-end=\"1196\"\u003e\u003cstrong data-start=\"1179\" data-end=\"1196\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1200\" data-end=\"1226\"\u003eMercury trim tab systems\u003c\/li\u003e\n\u003cli data-start=\"1229\" data-end=\"1270\"\u003eBoats requiring a 25-foot extension run\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1311\"\u003eLong helm-to-transom rigging layouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1313\" data-end=\"1316\"\u003e\n\u003cp data-start=\"1318\" data-end=\"1354\"\u003e\u003cstrong data-start=\"1318\" data-end=\"1354\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1356\" data-end=\"1723\"\u003eThis extension harness gives you the reach needed to route trim tab wiring through the boat without tight bends or tension on the original harness. The added length is especially helpful on larger center consoles, dual-station boats, and wide transom designs. Once in place, the tab system behaves normally and the wiring stays protected and organized along its path.\u003c\/p\u003e\n\u003chr data-start=\"1725\" data-end=\"1728\"\u003e\n\u003cp data-start=\"1730\" data-end=\"1745\"\u003e\u003cstrong data-start=\"1730\" data-end=\"1745\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1747\" data-end=\"2089\"\u003eTrim tab wiring needs proper shielding and connector integrity to avoid signal issues. Mercury’s OEM extension harness matches the system’s electrical requirements, preventing the loose connections and intermittent performance common with aftermarket cables. The factory-grade build ensures long-term reliability in harsh marine environments.\u003c\/p\u003e\n\u003chr data-start=\"2091\" data-end=\"2094\"\u003e\n\u003cp data-start=\"2096\" data-end=\"2103\"\u003e\u003cstrong data-start=\"2096\" data-end=\"2103\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2105\" data-end=\"2262\"\u003e\u003cstrong data-start=\"2105\" data-end=\"2157\"\u003eQ1: When should I use the 25-foot tab extension?\u003c\/strong\u003e\u003cbr data-start=\"2157\" data-end=\"2160\"\u003eWhen the factory harness won't reach the helm or control module due to long or complex rigging routes.\u003c\/p\u003e\n\u003cp data-start=\"2264\" data-end=\"2391\"\u003e\u003cstrong data-start=\"2264\" data-end=\"2318\"\u003eQ2: Will this extra length affect tab performance?\u003c\/strong\u003e\u003cbr data-start=\"2318\" data-end=\"2321\"\u003eNo. The OEM cable maintains clear signal flow across the full 25 feet.\u003c\/p\u003e\n\u003cp data-start=\"2393\" data-end=\"2498\"\u003e\u003cstrong data-start=\"2393\" data-end=\"2433\"\u003eQ3: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"2433\" data-end=\"2436\"\u003eYes. It plugs inline and routes like any standard tab harness.\u003c\/p\u003e\n\u003cp data-start=\"2500\" data-end=\"2609\"\u003e\u003cstrong data-start=\"2500\" data-end=\"2539\"\u003eQ4: Does it work well in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2539\" data-end=\"2542\"\u003eYes. The jacket and connectors are designed for long-term exposure.\u003c\/p\u003e\n\u003cp data-start=\"2611\" data-end=\"2773\"\u003e\u003cstrong data-start=\"2611\" data-end=\"2679\"\u003eQ5: Does the added length reduce strain on the original harness?\u003c\/strong\u003e\u003cbr data-start=\"2679\" data-end=\"2682\"\u003eAbsolutely—extra reach allows cleaner routing and avoids over-tightening the primary cable.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936024678691,"sku":"84-898059T25","price":596.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV505238.jpg?v=1698795816"},{"product_id":"mercury-harness-assy-84-898059t20","title":"Mercury – Tab Extension Harness Assembly | 20-Foot Trim Tab Lead | 84-898059T20","description":"\u003cp data-start=\"0\" data-end=\"83\"\u003e\u003cstrong data-start=\"0\" data-end=\"83\"\u003eMercury – Tab Extension Harness Assembly | 20-Foot Trim Tab Lead | 84-898059T20\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"85\" data-end=\"88\"\u003e\n\u003cp data-start=\"90\" data-end=\"102\"\u003e\u003cstrong data-start=\"90\" data-end=\"102\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"104\" data-end=\"541\"\u003eLonger wiring runs can make trim tab installation tricky, especially on big consoles or wide transoms. The Mercury 84-898059T20 Tab Extension Harness Assembly adds a full twenty feet of reach, giving you plenty of room to route the tab wiring cleanly from the helm to the actuators or control modules. It keeps the rigging neat, avoids overstretching the original harness, and helps the tab system operate smoothly without wiring strain.\u003c\/p\u003e\n\u003chr data-start=\"543\" data-end=\"546\"\u003e\n\u003cp data-start=\"548\" data-end=\"564\"\u003e\u003cstrong data-start=\"548\" data-end=\"564\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"568\" data-end=\"667\"\u003e\n\u003cstrong data-start=\"568\" data-end=\"591\"\u003e20-Foot Extension –\u003c\/strong\u003e Provides extended reach for trim tab wiring on larger or wide-beam boats.\u003c\/li\u003e\n\u003cli data-start=\"670\" data-end=\"757\"\u003e\n\u003cstrong data-start=\"670\" data-end=\"691\"\u003eOEM Tab Harness –\u003c\/strong\u003e Designed specifically to extend Mercury trim tab system wiring.\u003c\/li\u003e\n\u003cli data-start=\"760\" data-end=\"870\"\u003e\n\u003cstrong data-start=\"760\" data-end=\"788\"\u003eCleaner Rigging Routes –\u003c\/strong\u003e Offers flexibility for console chases, under-deck paths, and long transom runs.\u003c\/li\u003e\n\u003cli data-start=\"873\" data-end=\"964\"\u003e\n\u003cstrong data-start=\"873\" data-end=\"900\"\u003eFactory Connector Fit –\u003c\/strong\u003e Uses OEM-style ends for a tight, reliable plug-in connection.\u003c\/li\u003e\n\u003cli data-start=\"967\" data-end=\"1066\"\u003e\n\u003cstrong data-start=\"967\" data-end=\"995\"\u003eStable Signal Transfer –\u003c\/strong\u003e Maintains proper trim tab response across the full extension length.\u003c\/li\u003e\n\u003cli data-start=\"1069\" data-end=\"1168\"\u003e\n\u003cstrong data-start=\"1069\" data-end=\"1098\"\u003eMarine-Grade Durability –\u003c\/strong\u003e Handles vibration, spray, and long-term movement in rigging spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1170\" data-end=\"1173\"\u003e\n\u003cp data-start=\"1175\" data-end=\"1192\"\u003e\u003cstrong data-start=\"1175\" data-end=\"1192\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1196\" data-end=\"1222\"\u003eMercury trim tab systems\u003c\/li\u003e\n\u003cli data-start=\"1225\" data-end=\"1259\"\u003eLong helm-to-transom wiring runs\u003c\/li\u003e\n\u003cli data-start=\"1262\" data-end=\"1311\"\u003eBoats requiring a 20-foot tab harness extension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1313\" data-end=\"1316\"\u003e\n\u003cp data-start=\"1318\" data-end=\"1354\"\u003e\u003cstrong data-start=\"1318\" data-end=\"1354\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1356\" data-end=\"1725\"\u003eThis harness gives you the slack needed to route trim tab wiring without forcing sharp bends or tight pulls. On larger boats, the extra length helps the wiring stay organized and protected while still delivering smooth, predictable tab movement. It’s flexible enough to run through tight rigging passages and tough enough to handle years of hull vibration and exposure.\u003c\/p\u003e\n\u003chr data-start=\"1727\" data-end=\"1730\"\u003e\n\u003cp data-start=\"1732\" data-end=\"1747\"\u003e\u003cstrong data-start=\"1732\" data-end=\"1747\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1749\" data-end=\"2062\"\u003eOEM harnessing ensures the tab system gets the correct wire gauge, shielding, and connector fit. Mercury’s extension harness prevents the signal issues and loose connections that often happen with aftermarket cable. It installs cleanly, lasts longer, and keeps the tabs responding the way they were engineered to.\u003c\/p\u003e\n\u003chr data-start=\"2064\" data-end=\"2067\"\u003e\n\u003cp data-start=\"2069\" data-end=\"2076\"\u003e\u003cstrong data-start=\"2069\" data-end=\"2076\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2078\" data-end=\"2226\"\u003e\u003cstrong data-start=\"2078\" data-end=\"2126\"\u003eQ1: When should I use the 20-foot extension?\u003c\/strong\u003e\u003cbr data-start=\"2126\" data-end=\"2129\"\u003eWhen the standard tab harness cannot reach the helm or control module due to boat size or layout.\u003c\/p\u003e\n\u003cp data-start=\"2228\" data-end=\"2365\"\u003e\u003cstrong data-start=\"2228\" data-end=\"2281\"\u003eQ2: Will the added length affect tab performance?\u003c\/strong\u003e\u003cbr data-start=\"2281\" data-end=\"2284\"\u003eNo. The OEM harness maintains proper signal integrity over the extended distance.\u003c\/p\u003e\n\u003cp data-start=\"2367\" data-end=\"2479\"\u003e\u003cstrong data-start=\"2367\" data-end=\"2416\"\u003eQ3: Does it install like the factory harness?\u003c\/strong\u003e\u003cbr data-start=\"2416\" data-end=\"2419\"\u003eYes. It plugs inline and routes like any standard tab cable.\u003c\/p\u003e\n\u003cp data-start=\"2481\" data-end=\"2610\"\u003e\u003cstrong data-start=\"2481\" data-end=\"2532\"\u003eQ4: Can this harness handle saltwater exposure?\u003c\/strong\u003e\u003cbr data-start=\"2532\" data-end=\"2535\"\u003eYes. The jacket and connectors are built for long-term marine environments.\u003c\/p\u003e\n\u003cp data-start=\"2612\" data-end=\"2744\"\u003e\u003cstrong data-start=\"2612\" data-end=\"2671\"\u003eQ5: Does more length help protect the original harness?\u003c\/strong\u003e\u003cbr data-start=\"2671\" data-end=\"2674\"\u003eAbsolutely—it prevents overstretching and allows more natural routing.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936024744227,"sku":"84-898059T20","price":502.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV526361.jpg?v=1698795819"},{"product_id":"mercury-harness-assy-84-898059t15","title":"Mercury – Tab Extension Harness Assembly | 15-Foot Trim Tab Lead | 84-898059T15","description":"\u003cp data-start=\"0\" data-end=\"83\"\u003e\u003cstrong data-start=\"0\" data-end=\"83\"\u003eMercury – Tab Extension Harness Assembly | 15-Foot Trim Tab Lead | 84-898059T15\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"85\" data-end=\"88\"\u003e\n\u003cp data-start=\"90\" data-end=\"102\"\u003e\u003cstrong data-start=\"90\" data-end=\"102\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"104\" data-end=\"534\"\u003eLonger boats or wide rigging routes sometimes need extra reach to get trim tab wiring where it needs to go. The Mercury 84-898059T15 Tab Extension Harness Assembly adds fifteen feet of clean, OEM-grade cable so the tab system can be routed neatly from the helm to the actuators or control modules. It keeps the wiring organized, avoids tight stretches, and helps the system respond smoothly without strain on the original harness.\u003c\/p\u003e\n\u003chr data-start=\"536\" data-end=\"539\"\u003e\n\u003cp data-start=\"541\" data-end=\"557\"\u003e\u003cstrong data-start=\"541\" data-end=\"557\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"561\" data-end=\"650\"\u003e\n\u003cstrong data-start=\"561\" data-end=\"584\"\u003e15-Foot Extension –\u003c\/strong\u003e Adds significant reach for trim tab wiring across larger boats.\u003c\/li\u003e\n\u003cli data-start=\"653\" data-end=\"743\"\u003e\n\u003cstrong data-start=\"653\" data-end=\"681\"\u003eOEM Tab Harness Design –\u003c\/strong\u003e Built specifically for extending Mercury trim tab circuits.\u003c\/li\u003e\n\u003cli data-start=\"746\" data-end=\"849\"\u003e\n\u003cstrong data-start=\"746\" data-end=\"777\"\u003eClean Routing Flexibility –\u003c\/strong\u003e Helps reach helms, transoms, or control modules positioned far apart.\u003c\/li\u003e\n\u003cli data-start=\"852\" data-end=\"936\"\u003e\n\u003cstrong data-start=\"852\" data-end=\"878\"\u003eSecure Connector Fit –\u003c\/strong\u003e Factory-style ends ensure a tight, reliable connection.\u003c\/li\u003e\n\u003cli data-start=\"939\" data-end=\"1029\"\u003e\n\u003cstrong data-start=\"939\" data-end=\"967\"\u003eStable Signal Transfer –\u003c\/strong\u003e Maintains smooth tab response across the full added length.\u003c\/li\u003e\n\u003cli data-start=\"1032\" data-end=\"1116\"\u003e\n\u003cstrong data-start=\"1032\" data-end=\"1056\"\u003eMarine-Ready Build –\u003c\/strong\u003e Handles vibration, moisture, and long-term hull movement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1118\" data-end=\"1121\"\u003e\n\u003cp data-start=\"1123\" data-end=\"1140\"\u003e\u003cstrong data-start=\"1123\" data-end=\"1140\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1144\" data-end=\"1170\"\u003eMercury trim tab systems\u003c\/li\u003e\n\u003cli data-start=\"1173\" data-end=\"1219\"\u003eTab harness routes requiring extended length\u003c\/li\u003e\n\u003cli data-start=\"1222\" data-end=\"1268\"\u003eHelm-to-transom wiring paths on larger boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1270\" data-end=\"1273\"\u003e\n\u003cp data-start=\"1275\" data-end=\"1311\"\u003e\u003cstrong data-start=\"1275\" data-end=\"1311\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1313\" data-end=\"1661\"\u003eThis harness gives the rigging enough slack to route tab wiring in a cleaner, less stressful way. The added length helps avoid awkward angles and tight bends that can fatigue a harness over time. With the extension in place, the tabs respond normally, and the wiring stays organized in console chases, under-deck runs, or along long transom routes.\u003c\/p\u003e\n\u003chr data-start=\"1663\" data-end=\"1666\"\u003e\n\u003cp data-start=\"1668\" data-end=\"1683\"\u003e\u003cstrong data-start=\"1668\" data-end=\"1683\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1685\" data-end=\"2016\"\u003eTrim tab systems rely on clean electrical paths to respond consistently. Mercury’s OEM extension harness matches the correct pin layout and shielding, preventing the signal loss or intermittent behavior that cheaper cables sometimes cause. The factory-grade build also ensures long-term durability in vibrating, wet rigging spaces.\u003c\/p\u003e\n\u003chr data-start=\"2018\" data-end=\"2021\"\u003e\n\u003cp data-start=\"2023\" data-end=\"2030\"\u003e\u003cstrong data-start=\"2023\" data-end=\"2030\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2032\" data-end=\"2197\"\u003e\u003cstrong data-start=\"2032\" data-end=\"2090\"\u003eQ1: When would I need a 15-foot tab extension harness?\u003c\/strong\u003e\u003cbr data-start=\"2090\" data-end=\"2093\"\u003eWhenever the factory harness cannot reach the trim tab controls or actuators due to boat size or layout.\u003c\/p\u003e\n\u003cp data-start=\"2199\" data-end=\"2330\"\u003e\u003cstrong data-start=\"2199\" data-end=\"2249\"\u003eQ2: Does adding length change tab performance?\u003c\/strong\u003e\u003cbr data-start=\"2249\" data-end=\"2252\"\u003eNo. The OEM harness maintains proper signal flow across the extended distance.\u003c\/p\u003e\n\u003cp data-start=\"2332\" data-end=\"2453\"\u003e\u003cstrong data-start=\"2332\" data-end=\"2366\"\u003eQ3: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2366\" data-end=\"2369\"\u003eIt installs inline with the existing harness and routes like any standard tab cable.\u003c\/p\u003e\n\u003cp data-start=\"2455\" data-end=\"2581\"\u003e\u003cstrong data-start=\"2455\" data-end=\"2506\"\u003eQ4: Can this be used in saltwater environments?\u003c\/strong\u003e\u003cbr data-start=\"2506\" data-end=\"2509\"\u003eYes. The cable jacket and connectors are built for long-term marine use.\u003c\/p\u003e\n\u003cp data-start=\"2583\" data-end=\"2729\"\u003e\u003cstrong data-start=\"2583\" data-end=\"2644\"\u003eQ5: Will this help reduce strain on the original harness?\u003c\/strong\u003e\u003cbr data-start=\"2644\" data-end=\"2647\"\u003eYes. More length allows cleaner routing and reduces tension on the factory wiring.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936024842531,"sku":"84-898059T15","price":552.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV507446.jpg?v=1698795817"},{"product_id":"mercury-harness-assy-84-898059t30","title":"Mercury – Tab Extension Harness Assembly | 30-Foot Trim Tab Lead | 84-898059T30","description":"\u003cp data-start=\"0\" data-end=\"83\"\u003e\u003cstrong data-start=\"0\" data-end=\"83\"\u003eMercury – Tab Extension Harness Assembly | 30-Foot Trim Tab Lead | 84-898059T30\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"85\" data-end=\"88\"\u003e\n\u003cp data-start=\"90\" data-end=\"102\"\u003e\u003cstrong data-start=\"90\" data-end=\"102\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"104\" data-end=\"515\"\u003eExtra-long boats and complex rigging paths often need far more reach than the factory trim tab harness provides. The Mercury 84-898059T30 Tab Extension Harness Assembly adds a full thirty feet of length, giving you the room to run the wiring cleanly from helm to transom—no stretching, no tight bends, and no awkward detours. It keeps the system responsive and gives the rig a cleaner, more professional finish.\u003c\/p\u003e\n\u003chr data-start=\"517\" data-end=\"520\"\u003e\n\u003cp data-start=\"522\" data-end=\"538\"\u003e\u003cstrong data-start=\"522\" data-end=\"538\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"542\" data-end=\"627\"\u003e\n\u003cstrong data-start=\"542\" data-end=\"565\"\u003e30-Foot Extension –\u003c\/strong\u003e Maximum-length extension for long-distance trim tab wiring.\u003c\/li\u003e\n\u003cli data-start=\"630\" data-end=\"726\"\u003e\n\u003cstrong data-start=\"630\" data-end=\"651\"\u003eOEM Tab Harness –\u003c\/strong\u003e Built to extend Mercury trim tab circuits with proper shielding and fit.\u003c\/li\u003e\n\u003cli data-start=\"729\" data-end=\"832\"\u003e\n\u003cstrong data-start=\"729\" data-end=\"754\"\u003eRigging Flexibility –\u003c\/strong\u003e Ideal for large center consoles, dual-station boats, and wide-beam layouts.\u003c\/li\u003e\n\u003cli data-start=\"835\" data-end=\"932\"\u003e\n\u003cstrong data-start=\"835\" data-end=\"863\"\u003eFactory Connector Ends –\u003c\/strong\u003e Ensures a clean, reliable plug-in connection with no modification.\u003c\/li\u003e\n\u003cli data-start=\"935\" data-end=\"1033\"\u003e\n\u003cstrong data-start=\"935\" data-end=\"963\"\u003eStable Electrical Path –\u003c\/strong\u003e Maintains smooth, predictable tab response across the added length.\u003c\/li\u003e\n\u003cli data-start=\"1036\" data-end=\"1134\"\u003e\n\u003cstrong data-start=\"1036\" data-end=\"1065\"\u003eMarine-Grade Durability –\u003c\/strong\u003e Designed to withstand vibration, moisture, and long-term exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1136\" data-end=\"1139\"\u003e\n\u003cp data-start=\"1141\" data-end=\"1158\"\u003e\u003cstrong data-start=\"1141\" data-end=\"1158\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1162\" data-end=\"1188\"\u003eMercury trim tab systems\u003c\/li\u003e\n\u003cli data-start=\"1191\" data-end=\"1225\"\u003eLong helm-to-transom wiring runs\u003c\/li\u003e\n\u003cli data-start=\"1228\" data-end=\"1277\"\u003eBoats requiring a 30-foot tab harness extension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1279\" data-end=\"1282\"\u003e\n\u003cp data-start=\"1284\" data-end=\"1320\"\u003e\u003cstrong data-start=\"1284\" data-end=\"1320\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1322\" data-end=\"1690\"\u003eOn bigger boats, the extra length keeps the wiring relaxed and prevents the tension that can cause premature wear. The harness routes cleanly through long chases and under-deck channels, and the tabs respond just as they would with the factory lead. It’s a straightforward way to keep the system tidy and ensure the tabs behave reliably, even on extended rigging runs.\u003c\/p\u003e\n\u003chr data-start=\"1692\" data-end=\"1695\"\u003e\n\u003cp data-start=\"1697\" data-end=\"1712\"\u003e\u003cstrong data-start=\"1697\" data-end=\"1712\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1714\" data-end=\"2046\"\u003eLong harness runs demand proper shielding and connector integrity. Mercury’s OEM extension maintains the correct electrical spec, eliminating the signal issues and loose connections often seen with aftermarket cables. The factory-grade construction holds up in harsh marine conditions and keeps the tab system communicating clearly.\u003c\/p\u003e\n\u003chr data-start=\"2048\" data-end=\"2051\"\u003e\n\u003cp data-start=\"2053\" data-end=\"2060\"\u003e\u003cstrong data-start=\"2053\" data-end=\"2060\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2062\" data-end=\"2213\"\u003e\u003cstrong data-start=\"2062\" data-end=\"2108\"\u003eQ1: When is a 30-foot extension necessary?\u003c\/strong\u003e\u003cbr data-start=\"2108\" data-end=\"2111\"\u003eWhen the standard harness cannot reach the helm or control module due to long or complex boat layouts.\u003c\/p\u003e\n\u003cp data-start=\"2215\" data-end=\"2341\"\u003e\u003cstrong data-start=\"2215\" data-end=\"2268\"\u003eQ2: Does the added length affect tab performance?\u003c\/strong\u003e\u003cbr data-start=\"2268\" data-end=\"2271\"\u003eNo. The OEM cable maintains clean signal flow across the full 30 feet.\u003c\/p\u003e\n\u003cp data-start=\"2343\" data-end=\"2472\"\u003e\u003cstrong data-start=\"2343\" data-end=\"2383\"\u003eQ3: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"2383\" data-end=\"2386\"\u003eYes. It plugs inline with the original harness and routes like any standard tab cable.\u003c\/p\u003e\n\u003cp data-start=\"2474\" data-end=\"2594\"\u003e\u003cstrong data-start=\"2474\" data-end=\"2517\"\u003eQ4: Is it suitable for saltwater boats?\u003c\/strong\u003e\u003cbr data-start=\"2517\" data-end=\"2520\"\u003eYes. The jacket and connectors are designed for long-term marine exposure.\u003c\/p\u003e\n\u003cp data-start=\"2596\" data-end=\"2761\"\u003e\u003cstrong data-start=\"2596\" data-end=\"2660\"\u003eQ5: Will more length help reduce strain on the main harness?\u003c\/strong\u003e\u003cbr data-start=\"2660\" data-end=\"2663\"\u003eAbsolutely—additional reach allows smoother routing and prevents overstressing the original cable.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936024875299,"sku":"84-898059T30","price":280.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV502267.jpg?v=1698795818"},{"product_id":"mercury-harness-adapter-84-896370t01","title":"Mercury – 2-Pin “Y” Adapter Harness | CAN Link Splitter | 84-896370T01","description":"\u003cp data-start=\"0\" data-end=\"74\"\u003e\u003cstrong data-start=\"0\" data-end=\"74\"\u003eMercury – 2-Pin “Y” Adapter Harness | CAN Link Splitter | 84-896370T01\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"76\" data-end=\"79\"\u003e\n\u003cp data-start=\"81\" data-end=\"93\"\u003e\u003cstrong data-start=\"81\" data-end=\"93\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"95\" data-end=\"518\"\u003eSome DTS rigs need a little more flexibility in how the CAN line runs, especially when the harness has to reach across a wide console or deeper rigging chase. The Mercury 84-896370T01 2-Pin “Y” Adapter Harness gives DTS setups a clean way to branch or extend the CAN network without cutting into the main harness. It keeps everything tidy, helps with longer runs, and makes the system easier to lay out when space is tight.\u003c\/p\u003e\n\u003chr data-start=\"520\" data-end=\"523\"\u003e\n\u003cp data-start=\"525\" data-end=\"541\"\u003e\u003cstrong data-start=\"525\" data-end=\"541\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"545\" data-end=\"632\"\u003e\n\u003cstrong data-start=\"545\" data-end=\"570\"\u003e2-Pin Y-Style Split –\u003c\/strong\u003e Creates two clean CAN paths from a single connection point.\u003c\/li\u003e\n\u003cli data-start=\"635\" data-end=\"729\"\u003e\n\u003cstrong data-start=\"635\" data-end=\"662\"\u003eBuilt for DTS Engines –\u003c\/strong\u003e Designed specifically for DTS layouts that need extra CAN reach.\u003c\/li\u003e\n\u003cli data-start=\"732\" data-end=\"831\"\u003e\n\u003cstrong data-start=\"732\" data-end=\"757\"\u003eNetwork Flexibility –\u003c\/strong\u003e Helps reroute or extend CAN lines in rigs with long or unusual layouts.\u003c\/li\u003e\n\u003cli data-start=\"834\" data-end=\"911\"\u003e\n\u003cstrong data-start=\"834\" data-end=\"854\"\u003eOEM Connectors –\u003c\/strong\u003e Factory SmartCraft ends lock in tight and hold steady.\u003c\/li\u003e\n\u003cli data-start=\"914\" data-end=\"997\"\u003e\n\u003cstrong data-start=\"914\" data-end=\"940\"\u003eCompact Harness Form –\u003c\/strong\u003e Fits easily behind helms and in narrow rigging spaces.\u003c\/li\u003e\n\u003cli data-start=\"1000\" data-end=\"1083\"\u003e\n\u003cstrong data-start=\"1000\" data-end=\"1029\"\u003eClean CAN Communication –\u003c\/strong\u003e Maintains a stable CAN signal across both branches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1085\" data-end=\"1088\"\u003e\n\u003cp data-start=\"1090\" data-end=\"1107\"\u003e\u003cstrong data-start=\"1090\" data-end=\"1107\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1111\" data-end=\"1135\"\u003eDTS SmartCraft engines\u003c\/li\u003e\n\u003cli data-start=\"1138\" data-end=\"1189\"\u003eSmartCraft CAN P \/ CAN X \/ CAN H network segments\u003c\/li\u003e\n\u003cli data-start=\"1192\" data-end=\"1232\"\u003e2-pin SmartCraft CAN connection points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1234\" data-end=\"1237\"\u003e\n\u003cp data-start=\"1239\" data-end=\"1275\"\u003e\u003cstrong data-start=\"1239\" data-end=\"1275\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1277\" data-end=\"1658\"\u003eThis adapter takes one CAN feed and splits it into two clean legs, which helps when the harness needs to route in different directions or cover a longer distance. It keeps the wiring organized, avoids improvised junctions, and gives the network a more natural layout. Once installed, the CAN signal moves smoothly across both branches, keeping DTS modules talking without dropouts.\u003c\/p\u003e\n\u003chr data-start=\"1660\" data-end=\"1663\"\u003e\n\u003cp data-start=\"1665\" data-end=\"1680\"\u003e\u003cstrong data-start=\"1665\" data-end=\"1680\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1682\" data-end=\"2028\"\u003eSmartCraft networks depend on solid connectors and proper shielding. Mercury’s OEM Y-harness ensures the fit is tight, the pins line up correctly, and the CAN signal stays clean. Cheaper splitters often feel loose or add electrical noise, which can show up as strange DTS behavior. The factory harness holds up well under vibration and daily use.\u003c\/p\u003e\n\u003chr data-start=\"2030\" data-end=\"2033\"\u003e\n\u003cp data-start=\"2035\" data-end=\"2042\"\u003e\u003cstrong data-start=\"2035\" data-end=\"2042\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2044\" data-end=\"2200\"\u003e\u003cstrong data-start=\"2044\" data-end=\"2090\"\u003eQ1: When would I use this 2-pin Y adapter?\u003c\/strong\u003e\u003cbr data-start=\"2090\" data-end=\"2093\"\u003eWhen a DTS setup needs to split or extend the CAN line to reach additional modules or longer routing paths.\u003c\/p\u003e\n\u003cp data-start=\"2202\" data-end=\"2329\"\u003e\u003cstrong data-start=\"2202\" data-end=\"2252\"\u003eQ2: Does the Y-split affect CAN communication?\u003c\/strong\u003e\u003cbr data-start=\"2252\" data-end=\"2255\"\u003eNo. It simply provides two clean pathways while keeping the signal stable.\u003c\/p\u003e\n\u003cp data-start=\"2331\" data-end=\"2423\"\u003e\u003cstrong data-start=\"2331\" data-end=\"2368\"\u003eQ3: Is this only for DTS engines?\u003c\/strong\u003e\u003cbr data-start=\"2368\" data-end=\"2371\"\u003eYes. It’s designed specifically for DTS CAN layouts.\u003c\/p\u003e\n\u003cp data-start=\"2425\" data-end=\"2537\"\u003e\u003cstrong data-start=\"2425\" data-end=\"2456\"\u003eQ4: Is installation simple?\u003c\/strong\u003e\u003cbr data-start=\"2456\" data-end=\"2459\"\u003eYes. Each branch plugs into the matching 2-pin CAN ports with no tools needed.\u003c\/p\u003e\n\u003cp data-start=\"2539\" data-end=\"2666\"\u003e\u003cstrong data-start=\"2539\" data-end=\"2580\"\u003eQ5: Can it handle saltwater exposure?\u003c\/strong\u003e\u003cbr data-start=\"2580\" data-end=\"2583\"\u003eYes. The OEM connectors and cable jacket are built for long-term marine conditions.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936027332899,"sku":"84-896370T01","price":21.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV496167.jpg?v=1698795831"},{"product_id":"mercury-harness-assy-84-895820t02","title":"Mercury – K-Plane Y Harness | Dual Tab Sensor Splitter | 84-895820T02","description":"\u003cp data-start=\"0\" data-end=\"73\"\u003e\u003cstrong data-start=\"0\" data-end=\"73\"\u003eMercury – K-Plane Y Harness | Dual Tab Sensor Splitter | 84-895820T02\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"75\" data-end=\"78\"\u003e\n\u003cp data-start=\"80\" data-end=\"92\"\u003e\u003cstrong data-start=\"80\" data-end=\"92\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"94\" data-end=\"508\"\u003eDual K-Plane setups need a clean way to bring both tab sensors into a single interface point, and this harness does exactly that. The Mercury 84-895820T02 K-Plane Y Harness links the bullet-style tab sensors from a dual-tab arrangement to the four-pin tab interface connection. It keeps the wiring tidy, the readings consistent, and the rigging easier to manage when both tabs need to report cleanly to the system.\u003c\/p\u003e\n\u003chr data-start=\"510\" data-end=\"513\"\u003e\n\u003cp data-start=\"515\" data-end=\"531\"\u003e\u003cstrong data-start=\"515\" data-end=\"531\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"535\" data-end=\"634\"\u003e\n\u003cstrong data-start=\"535\" data-end=\"557\"\u003eDual-Tab Y Split –\u003c\/strong\u003e Combines the left and right bullet tab sensor leads into one clean output.\u003c\/li\u003e\n\u003cli data-start=\"637\" data-end=\"737\"\u003e\n\u003cstrong data-start=\"637\" data-end=\"663\"\u003e4-Pin Interface Link –\u003c\/strong\u003e Connects directly to the four-pin tab interface for position reporting.\u003c\/li\u003e\n\u003cli data-start=\"740\" data-end=\"832\"\u003e\n\u003cstrong data-start=\"740\" data-end=\"762\"\u003eK-Plane Specific –\u003c\/strong\u003e Designed for Mercury K-Plane systems with bullet-style tab sensors.\u003c\/li\u003e\n\u003cli data-start=\"835\" data-end=\"934\"\u003e\n\u003cstrong data-start=\"835\" data-end=\"863\"\u003eClean Rigging Solution –\u003c\/strong\u003e Organizes dual-sensor wiring without improvised splices or adapters.\u003c\/li\u003e\n\u003cli data-start=\"937\" data-end=\"1029\"\u003e\n\u003cstrong data-start=\"937\" data-end=\"960\"\u003eOEM Connector Fit –\u003c\/strong\u003e Factory ends ensure a tight, reliable SmartCraft-ready connection.\u003c\/li\u003e\n\u003cli data-start=\"1032\" data-end=\"1127\"\u003e\n\u003cstrong data-start=\"1032\" data-end=\"1063\"\u003eMarine-Ready Construction –\u003c\/strong\u003e Built to handle vibration, spray, and long-term offshore use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1129\" data-end=\"1132\"\u003e\n\u003cp data-start=\"1134\" data-end=\"1151\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1151\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1155\" data-end=\"1189\"\u003eMercury K-Plane dual tab systems\u003c\/li\u003e\n\u003cli data-start=\"1192\" data-end=\"1218\"\u003eBullet-style tab sensors\u003c\/li\u003e\n\u003cli data-start=\"1221\" data-end=\"1253\"\u003eFour-pin tab interface modules\u003c\/li\u003e\n\u003cli data-start=\"1256\" data-end=\"1298\"\u003eSmartCraft tab-position reporting setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1300\" data-end=\"1303\"\u003e\n\u003cp data-start=\"1305\" data-end=\"1341\"\u003e\u003cstrong data-start=\"1305\" data-end=\"1341\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1343\" data-end=\"1732\"\u003eThis Y harness keeps the dual K-Plane system reporting smoothly by sending both tab positions through a single, organized connection. With the sensors tied in cleanly, the tab interface receives accurate data without the noise or inconsistency that comes from hand-built Y-splits. It reduces clutter around the transom or bilge and makes the system easier to troubleshoot or service later.\u003c\/p\u003e\n\u003chr data-start=\"1734\" data-end=\"1737\"\u003e\n\u003cp data-start=\"1739\" data-end=\"1754\"\u003e\u003cstrong data-start=\"1739\" data-end=\"1754\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1756\" data-end=\"2103\"\u003eK-Plane sensors require precise wiring and stable connections for accurate trim-position reporting. Mercury’s OEM Y harness maintains the correct pin layout and shielding, preventing the intermittent faults common with aftermarket splices. The factory build holds tight in harsh marine conditions and keeps the system performing the way it should.\u003c\/p\u003e\n\u003chr data-start=\"2105\" data-end=\"2108\"\u003e\n\u003cp data-start=\"2110\" data-end=\"2117\"\u003e\u003cstrong data-start=\"2110\" data-end=\"2117\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2119\" data-end=\"2285\"\u003e\u003cstrong data-start=\"2119\" data-end=\"2165\"\u003eQ1: When is this K-Plane Y harness needed?\u003c\/strong\u003e\u003cbr data-start=\"2165\" data-end=\"2168\"\u003eWhenever a dual K-Plane setup uses bullet tab sensors and needs both signals routed into a single four-pin interface.\u003c\/p\u003e\n\u003cp data-start=\"2287\" data-end=\"2419\"\u003e\u003cstrong data-start=\"2287\" data-end=\"2340\"\u003eQ2: Does the harness change how the tabs operate?\u003c\/strong\u003e\u003cbr data-start=\"2340\" data-end=\"2343\"\u003eNo. It only manages the sensor wiring—the tabs themselves function normally.\u003c\/p\u003e\n\u003cp data-start=\"2421\" data-end=\"2535\"\u003e\u003cstrong data-start=\"2421\" data-end=\"2455\"\u003eQ3: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2455\" data-end=\"2458\"\u003eNo. It plugs directly into the bullet sensors and the four-pin tab interface.\u003c\/p\u003e\n\u003cp data-start=\"2537\" data-end=\"2657\"\u003e\u003cstrong data-start=\"2537\" data-end=\"2581\"\u003eQ4: Will this harness work in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2581\" data-end=\"2584\"\u003eYes. The cable and connectors are designed for long-term marine exposure.\u003c\/p\u003e\n\u003cp data-start=\"2659\" data-end=\"2801\"\u003e\u003cstrong data-start=\"2659\" data-end=\"2716\"\u003eQ5: Does the Y harness affect trim-position accuracy?\u003c\/strong\u003e\u003cbr data-start=\"2716\" data-end=\"2719\"\u003eNo. It delivers clean, stable signals to the interface module for correct reading.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936027955491,"sku":"84-895820T02","price":251.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV494405.jpg?v=1698795834"},{"product_id":"mercury-cable-asy-link-84-893452a01","title":"Mercury – 2-Pin CAN Link Harness | Network Bridging Lead | 84-893452A01","description":"\u003cp data-start=\"0\" data-end=\"75\"\u003e\u003cstrong data-start=\"0\" data-end=\"75\"\u003eMercury – 2-Pin CAN Link Harness | Network Bridging Lead | 84-893452A01\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"77\" data-end=\"80\"\u003e\n\u003cp data-start=\"82\" data-end=\"94\"\u003e\u003cstrong data-start=\"82\" data-end=\"94\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"96\" data-end=\"450\"\u003eWhen a SmartCraft setup has two CAN segments that need to talk to each other, this small harness makes it easy. The Mercury 84-893452A01 2-Pin CAN Link Harness creates a simple bridge between the two sides so the network feels like one continuous path. It’s a quick, clean way to tie things together without splicing wires or adding unnecessary hardware.\u003c\/p\u003e\n\u003chr data-start=\"452\" data-end=\"455\"\u003e\n\u003cp data-start=\"457\" data-end=\"473\"\u003e\u003cstrong data-start=\"457\" data-end=\"473\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"477\" data-end=\"567\"\u003e\n\u003cstrong data-start=\"477\" data-end=\"501\"\u003e2-Pin Linking Lead –\u003c\/strong\u003e Joins two CAN network sections into a single communication run.\u003c\/li\u003e\n\u003cli data-start=\"570\" data-end=\"657\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"602\"\u003eStraightforward Connection –\u003c\/strong\u003e No extra branches or circuits—just a clean CAN link.\u003c\/li\u003e\n\u003cli data-start=\"660\" data-end=\"737\"\u003e\n\u003cstrong data-start=\"660\" data-end=\"678\"\u003eCompact Size –\u003c\/strong\u003e Fits easily behind the helm or in narrow rigging spaces.\u003c\/li\u003e\n\u003cli data-start=\"740\" data-end=\"817\"\u003e\n\u003cstrong data-start=\"740\" data-end=\"760\"\u003eOEM Connectors –\u003c\/strong\u003e Factory SmartCraft ends snap in securely and stay put.\u003c\/li\u003e\n\u003cli data-start=\"820\" data-end=\"913\"\u003e\n\u003cstrong data-start=\"820\" data-end=\"852\"\u003eGood for Network Expansion –\u003c\/strong\u003e Helps tie in added modules or extend an existing CAN path.\u003c\/li\u003e\n\u003cli data-start=\"916\" data-end=\"1016\"\u003e\n\u003cstrong data-start=\"916\" data-end=\"942\"\u003eBuilt for Marine Use –\u003c\/strong\u003e Durable shielding and connector housings handle vibration and moisture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1018\" data-end=\"1021\"\u003e\n\u003cp data-start=\"1023\" data-end=\"1040\"\u003e\u003cstrong data-start=\"1023\" data-end=\"1040\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1044\" data-end=\"1069\"\u003eSmartCraft CAN networks\u003c\/li\u003e\n\u003cli data-start=\"1072\" data-end=\"1106\"\u003eCAN P, CAN X, and CAN H segments\u003c\/li\u003e\n\u003cli data-start=\"1109\" data-end=\"1158\"\u003eAny SmartCraft 2-pin CAN ports needing a bridge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1160\" data-end=\"1163\"\u003e\n\u003cp data-start=\"1165\" data-end=\"1201\"\u003e\u003cstrong data-start=\"1165\" data-end=\"1201\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1203\" data-end=\"1544\"\u003eThis harness takes care of a simple but important job—joining two pieces of a CAN network so data flows smoothly between modules. It keeps the wiring neat, prevents the guesswork of improvised connections, and helps the whole system behave like one unified backbone. Once clicked into place, the communication path stays steady and reliable.\u003c\/p\u003e\n\u003chr data-start=\"1546\" data-end=\"1549\"\u003e\n\u003cp data-start=\"1551\" data-end=\"1566\"\u003e\u003cstrong data-start=\"1551\" data-end=\"1566\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1568\" data-end=\"1890\"\u003eCAN systems depend on tight-fitting connectors and accurate pin alignment. Mercury’s OEM harness ensures a clean connection that won’t loosen or introduce noise into the network. Off-brand jumpers often fit sloppy or cause odd glitches, but the factory version holds up through vibration, heat, and long days on the water.\u003c\/p\u003e\n\u003chr data-start=\"1892\" data-end=\"1895\"\u003e\n\u003cp data-start=\"1897\" data-end=\"1904\"\u003e\u003cstrong data-start=\"1897\" data-end=\"1904\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1906\" data-end=\"2038\"\u003e\u003cstrong data-start=\"1906\" data-end=\"1953\"\u003eQ1: When would I use this CAN link harness?\u003c\/strong\u003e\u003cbr data-start=\"1953\" data-end=\"1956\"\u003eAnytime two SmartCraft CAN segments need to connect so the modules can share data.\u003c\/p\u003e\n\u003cp data-start=\"2040\" data-end=\"2131\"\u003e\u003cstrong data-start=\"2040\" data-end=\"2074\"\u003eQ2: Does it include resistors?\u003c\/strong\u003e\u003cbr data-start=\"2074\" data-end=\"2077\"\u003eNo. It’s a straight link with no termination built in.\u003c\/p\u003e\n\u003cp data-start=\"2133\" data-end=\"2243\"\u003e\u003cstrong data-start=\"2133\" data-end=\"2172\"\u003eQ3: Will it affect module behavior?\u003c\/strong\u003e\u003cbr data-start=\"2172\" data-end=\"2175\"\u003eNo. It simply allows communication between two parts of the network.\u003c\/p\u003e\n\u003cp data-start=\"2245\" data-end=\"2335\"\u003e\u003cstrong data-start=\"2245\" data-end=\"2275\"\u003eQ4: Is it easy to install?\u003c\/strong\u003e\u003cbr data-start=\"2275\" data-end=\"2278\"\u003eYes. It plugs directly into the matching 2-pin CAN ports.\u003c\/p\u003e\n\u003cp data-start=\"2337\" data-end=\"2456\"\u003e\u003cstrong data-start=\"2337\" data-end=\"2380\"\u003eQ5: Can it handle saltwater conditions?\u003c\/strong\u003e\u003cbr data-start=\"2380\" data-end=\"2383\"\u003eYes. The OEM connectors and cable are made for long-term marine exposure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936028938531,"sku":"84-893452A01","price":11.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV478175.jpg?v=1698795840"}],"url":"https:\/\/partsvu.com\/en-ca\/collections\/mercury-marine-smartcraft-outboard-analog-gauge-interface-kits-harnesses.oembed","provider":"PartsVu","version":"1.0","type":"link"}