{"product_id":"mercury-harn-exc-ext-25ft-84-8m0176942","title":"Mercury – Extension Harness | 2-Pin Excitation and Ground | 84-8M0176942","description":"\u003cp data-start=\"0\" data-end=\"76\"\u003e\u003cstrong data-start=\"0\" data-end=\"76\"\u003eMercury – Extension Harness | 2-Pin Excitation and Ground | 84-8M0176942\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"78\" data-end=\"81\"\u003e\n\u003cp data-start=\"83\" data-end=\"534\"\u003e\u003cstrong data-start=\"83\" data-end=\"95\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"95\" data-end=\"98\"\u003eThis twenty-five-foot harness is built for boats where the rig center and isolator sit far apart and shorter runs just won’t cut it. The extra reach lets you route the wiring in a calm, natural path instead of forcing tight corners or piecing together extensions. It helps keep the rigging bay cleaner and easier to make sense of when you open it up later. On bigger hulls, that extra length makes the whole job feel a lot less cramped.\u003c\/p\u003e\n\u003chr data-start=\"536\" data-end=\"539\"\u003e\n\u003cp data-start=\"541\" data-end=\"1039\"\u003e\u003cstrong data-start=\"541\" data-end=\"557\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"557\" data-end=\"560\"\u003e    • \u003cstrong data-start=\"586\" data-end=\"602\"\u003e2-Pin Layout\u003c\/strong\u003e – Carries excitation and ground to the isolator.\u003cbr data-start=\"651\" data-end=\"654\"\u003e    • \u003cstrong data-start=\"680\" data-end=\"705\"\u003eRig Center Connection\u003c\/strong\u003e – Starts cleanly at the rig center.\u003cbr data-start=\"741\" data-end=\"744\"\u003e    • \u003cstrong data-start=\"770\" data-end=\"795\"\u003eIsolator Adapter Link\u003c\/strong\u003e – Connects directly to the isolator adapter.\u003cbr data-start=\"840\" data-end=\"843\"\u003e    • \u003cstrong data-start=\"869\" data-end=\"896\"\u003eTwenty-Five-Foot Length\u003c\/strong\u003e – Designed for long routes on larger boats.\u003cbr data-start=\"940\" data-end=\"943\"\u003e    • \u003cstrong data-start=\"969\" data-end=\"995\"\u003eStable Electrical Path\u003c\/strong\u003e – Helps maintain steady isolator operation.\u003c\/p\u003e\n\u003chr data-start=\"1041\" data-end=\"1044\"\u003e\n\u003cp data-start=\"1046\" data-end=\"1233\"\u003e\u003cstrong data-start=\"1046\" data-end=\"1077\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1077\" data-end=\"1080\"\u003e    • Rig center systems\u003cbr data-start=\"1124\" data-end=\"1127\"\u003e    • Isolator adapter setups\u003cbr data-start=\"1176\" data-end=\"1179\"\u003e    • Multi-engine digital layouts\u003c\/p\u003e\n\u003chr data-start=\"1235\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1240\" data-end=\"1639\"\u003e\u003cstrong data-start=\"1240\" data-end=\"1276\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1276\" data-end=\"1279\"\u003eThe longer run makes it easier to keep the harness relaxed instead of pinched or pulled tight. That usually leads to fewer wear points and a cleaner layout overall. It’s also easier to trace the harness later since it follows a clear, open route rather than weaving through cramped corners. The result is a neater wiring bay and fewer headaches during service.\u003c\/p\u003e\n\u003chr data-start=\"1641\" data-end=\"1644\"\u003e\n\u003cp data-start=\"1646\" data-end=\"1892\"\u003e\u003cstrong data-start=\"1646\" data-end=\"1661\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1661\" data-end=\"1664\"\u003eOEM harnesses stay reliable through vibration, heat, and long seasons on the water. The connectors seat firmly and match Mercury’s design, helping avoid signal drops or loose joints. It’s wiring you can trust over the long haul.\u003c\/p\u003e\n\u003chr data-start=\"1894\" data-end=\"1897\"\u003e\n\u003cp data-start=\"1899\" data-end=\"2083\"\u003e\u003cstrong data-start=\"1899\" data-end=\"1906\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1906\" data-end=\"1909\"\u003e\u003cstrong data-start=\"1909\" data-end=\"1967\"\u003eQ1: How do I know I need the twenty-five-foot version?\u003c\/strong\u003e\u003cbr data-start=\"1967\" data-end=\"1970\"\u003eA: If shorter harnesses leave you stretching the run or forcing tight turns, this length usually fixes the issue.\u003c\/p\u003e\n\u003cp data-start=\"2085\" data-end=\"2199\"\u003e\u003cstrong data-start=\"2085\" data-end=\"2128\"\u003eQ2: Does this harness need calibration?\u003c\/strong\u003e\u003cbr data-start=\"2128\" data-end=\"2131\"\u003eA: No—once it’s plugged in, it simply carries excitation and ground.\u003c\/p\u003e\n\u003cp data-start=\"2201\" data-end=\"2320\"\u003e\u003cstrong data-start=\"2201\" data-end=\"2242\"\u003eQ3: How does it hold up in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2242\" data-end=\"2245\"\u003eA: With basic rinsing and the occasional connector check, it holds up well.\u003c\/p\u003e\n\u003cp data-start=\"2322\" data-end=\"2452\"\u003e\u003cstrong data-start=\"2322\" data-end=\"2352\"\u003eQ4: Any installation tips?\u003c\/strong\u003e\u003cbr data-start=\"2352\" data-end=\"2355\"\u003eA: Use the extra length to create an easy, natural routing path and leave room for future access.\u003c\/p\u003e\n\u003cp data-start=\"2454\" data-end=\"2592\"\u003e\u003cstrong data-start=\"2454\" data-end=\"2508\"\u003eQ5: What are signs the harness may be wearing out?\u003c\/strong\u003e\u003cbr data-start=\"2508\" data-end=\"2511\"\u003eA: Flickering signals, inconsistent charging, or corrosion around the connectors.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935981097251,"sku":"84-8M0176942","price":103.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV803124.jpg?v=1720534812","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-harn-exc-ext-25ft-84-8m0176942","provider":"PartsVu","version":"1.0","type":"link"}