{"product_id":"mercury-harn-ext-inner-40-84-8m0159763","title":"Mercury – Inner Helm Extension Harness | 40-Foot Extension | 84-8M0159763","description":"\u003cp data-start=\"0\" data-end=\"77\"\u003e\u003cstrong data-start=\"0\" data-end=\"77\"\u003eMercury – Inner Helm Extension Harness | 40-Foot Extension | 84-8M0159763\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"79\" data-end=\"82\"\u003e\n\u003cp data-start=\"84\" data-end=\"592\"\u003e\u003cstrong data-start=\"84\" data-end=\"96\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"96\" data-end=\"99\"\u003eThis 40-foot inner-engine extension harness is built for wider or longer triple- and quad-engine boats where the standard harness won’t reach cleanly. When the wiring path has to run around bulkheads or span a long rigging channel, this length keeps you from pulling the harness tight or bending it into awkward corners. It lets the wiring take a smoother path, which helps the controls feel steady and predictable. On big offshore setups, that extra room makes rigging and service far easier.\u003c\/p\u003e\n\u003chr data-start=\"594\" data-end=\"597\"\u003e\n\u003cp data-start=\"599\" data-end=\"1094\"\u003e\u003cstrong data-start=\"599\" data-end=\"615\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"615\" data-end=\"618\"\u003e    • \u003cstrong data-start=\"644\" data-end=\"665\"\u003e40-Foot Extension\u003c\/strong\u003e – Extra reach for long inner-engine runs.\u003cbr data-start=\"707\" data-end=\"710\"\u003e    • \u003cstrong data-start=\"736\" data-end=\"756\"\u003eInner-Engine Use\u003c\/strong\u003e – For the inner engines on triple and quad DTS layouts.\u003cbr data-start=\"812\" data-end=\"815\"\u003e    • \u003cstrong data-start=\"841\" data-end=\"859\"\u003eOEM Connectors\u003c\/strong\u003e – Factory ends that snap in securely.\u003cbr data-start=\"897\" data-end=\"900\"\u003e    • \u003cstrong data-start=\"926\" data-end=\"944\"\u003eSmooth Routing\u003c\/strong\u003e – Helps avoid pinch points and tight bends.\u003cbr data-start=\"988\" data-end=\"991\"\u003e    • \u003cstrong data-start=\"1017\" data-end=\"1041\"\u003eReliable Signal Path\u003c\/strong\u003e – Keeps throttle and shift communication consistent.\u003c\/p\u003e\n\u003chr data-start=\"1096\" data-end=\"1099\"\u003e\n\u003cp data-start=\"1101\" data-end=\"1269\"\u003e\u003cstrong data-start=\"1101\" data-end=\"1132\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1132\" data-end=\"1135\"\u003e    • Triple engine\u003cbr data-start=\"1174\" data-end=\"1177\"\u003e    • Quad engine\u003cbr data-start=\"1214\" data-end=\"1217\"\u003e    • Inner-engine helm pathways\u003c\/p\u003e\n\u003chr data-start=\"1271\" data-end=\"1274\"\u003e\n\u003cp data-start=\"1276\" data-end=\"1712\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1312\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1312\" data-end=\"1315\"\u003eWith the extra length, the harness can take an easy route instead of weaving through tight gaps. That leads to smoother, more natural control response because the wiring isn’t being stressed. It also gives you more room to work during inspections or repairs, which makes a noticeable difference on big boats where space gets tight fast. Everything ends up looking cleaner and feeling more settled.\u003c\/p\u003e\n\u003chr data-start=\"1714\" data-end=\"1717\"\u003e\n\u003cp data-start=\"1719\" data-end=\"1973\"\u003e\u003cstrong data-start=\"1719\" data-end=\"1734\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1734\" data-end=\"1737\"\u003eOEM harnesses deal with vibration, heat, and saltwater far better than generic wiring. The connectors match Mercury’s system exactly, so you don’t end up chasing loose plugs or odd glitches. It’s dependable rigging that’s built to last.\u003c\/p\u003e\n\u003chr data-start=\"1975\" data-end=\"1978\"\u003e\n\u003cp data-start=\"1980\" data-end=\"2172\"\u003e\u003cstrong data-start=\"1980\" data-end=\"1987\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1987\" data-end=\"1990\"\u003e\u003cstrong data-start=\"1990\" data-end=\"2039\"\u003eQ1: How do I know I need the 40-foot version?\u003c\/strong\u003e\u003cbr data-start=\"2039\" data-end=\"2042\"\u003eA: If the inner-engine run still feels tight or won’t reach cleanly on a wide-beam or long-deck rig, this length usually fixes it.\u003c\/p\u003e\n\u003cp data-start=\"2174\" data-end=\"2226\"\u003e\u003cstrong data-start=\"2174\" data-end=\"2199\"\u003eQ2: Any setup needed?\u003c\/strong\u003e\u003cbr data-start=\"2199\" data-end=\"2202\"\u003eA: Nope—just plug it in.\u003c\/p\u003e\n\u003cp data-start=\"2228\" data-end=\"2310\"\u003e\u003cstrong data-start=\"2228\" data-end=\"2255\"\u003eQ3: Saltwater use okay?\u003c\/strong\u003e\u003cbr data-start=\"2255\" data-end=\"2258\"\u003eA: Yes. Rinse occasionally and check the connectors.\u003c\/p\u003e\n\u003cp data-start=\"2312\" data-end=\"2402\"\u003e\u003cstrong data-start=\"2312\" data-end=\"2337\"\u003eQ4: Any install tips?\u003c\/strong\u003e\u003cbr data-start=\"2337\" data-end=\"2340\"\u003eA: Route it with wide, smooth curves and avoid rubbing points.\u003c\/p\u003e\n\u003cp data-start=\"2404\" data-end=\"2509\"\u003e\u003cstrong data-start=\"2404\" data-end=\"2435\"\u003eQ5: What are signs of wear?\u003c\/strong\u003e\u003cbr data-start=\"2435\" data-end=\"2438\"\u003eA: Sluggish controls, intermittent signals, or visible jacket scuffing.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935986569507,"sku":"84-8M0159763","price":273.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV781416.jpg?v=1720534684","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-harn-ext-inner-40-84-8m0159763","provider":"PartsVu","version":"1.0","type":"link"}