{"product_id":"mercury-harn-inner-50-84-8m0173574","title":"Mercury – Inner Helm Extension Harness | 50-Foot Extension | 84-8M0173574","description":"\u003cp data-start=\"0\" data-end=\"77\"\u003e\u003cstrong data-start=\"0\" data-end=\"77\"\u003eMercury – Inner Helm Extension Harness | 50-Foot Extension | 84-8M0173574\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"79\" data-end=\"82\"\u003e\n\u003cp data-start=\"84\" data-end=\"593\"\u003e\u003cstrong data-start=\"84\" data-end=\"96\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"96\" data-end=\"99\"\u003eThis 50-foot inner-engine extension harness is meant for big triple- and quad-engine boats where the normal harness just doesn’t have the reach. When the run has to make its way through long rigging channels or around multiple bulkheads, this extension keeps you from stretching the wiring or bending it too sharply. It lets the harness follow a smooth, relaxed path so the controls feel steady. On large offshore rigs, having this much extra room makes rigging and future service a lot easier.\u003c\/p\u003e\n\u003chr data-start=\"595\" data-end=\"598\"\u003e\n\u003cp data-start=\"600\" data-end=\"1115\"\u003e\u003cstrong data-start=\"600\" data-end=\"616\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"616\" data-end=\"619\"\u003e    • \u003cstrong data-start=\"645\" data-end=\"666\"\u003e50-Foot Extension\u003c\/strong\u003e – Built for long inner-engine routing paths.\u003cbr data-start=\"711\" data-end=\"714\"\u003e    • \u003cstrong data-start=\"740\" data-end=\"760\"\u003eInner-Engine Use\u003c\/strong\u003e – For 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 seat firmly and hold tight.\u003cbr data-start=\"907\" data-end=\"910\"\u003e    • \u003cstrong data-start=\"936\" data-end=\"956\"\u003eFlexible Routing\u003c\/strong\u003e – Helps avoid sharp bends, pinch points, and rubbing spots.\u003cbr data-start=\"1016\" data-end=\"1019\"\u003e    • \u003cstrong data-start=\"1045\" data-end=\"1067\"\u003eStable Signal Path\u003c\/strong\u003e – Keeps throttle and shift communication clean.\u003c\/p\u003e\n\u003chr data-start=\"1117\" data-end=\"1120\"\u003e\n\u003cp data-start=\"1122\" data-end=\"1290\"\u003e\u003cstrong data-start=\"1122\" data-end=\"1153\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1153\" data-end=\"1156\"\u003e    • Triple engine\u003cbr data-start=\"1195\" data-end=\"1198\"\u003e    • Quad engine\u003cbr data-start=\"1235\" data-end=\"1238\"\u003e    • Inner-engine helm pathways\u003c\/p\u003e\n\u003chr data-start=\"1292\" data-end=\"1295\"\u003e\n\u003cp data-start=\"1297\" data-end=\"1712\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1333\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1333\" data-end=\"1336\"\u003eWith this extension in place, the harness can follow a natural route instead of squeezing through tight areas. Controls usually feel smoother because nothing is kinked or under tension. It also gives you more space in the rigging bay so routine checks and repairs aren’t a fight. On wide-beam boats, that breathing room makes the whole system feel calmer and more predictable.\u003c\/p\u003e\n\u003chr data-start=\"1714\" data-end=\"1717\"\u003e\n\u003cp data-start=\"1719\" data-end=\"1995\"\u003e\u003cstrong data-start=\"1719\" data-end=\"1734\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1734\" data-end=\"1737\"\u003eOEM harnesses hold up to vibration, heat, and saltwater better than generic wiring. The connectors match Mercury’s DTS system exactly, which helps prevent loose plugs, glitches, or intermittent signals. It’s wiring you can count on when conditions get rough.\u003c\/p\u003e\n\u003chr data-start=\"1997\" data-end=\"2000\"\u003e\n\u003cp data-start=\"2002\" data-end=\"2177\"\u003e\u003cstrong data-start=\"2002\" data-end=\"2009\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"2009\" data-end=\"2012\"\u003e\u003cstrong data-start=\"2012\" data-end=\"2061\"\u003eQ1: How do I know I need the 50-foot version?\u003c\/strong\u003e\u003cbr data-start=\"2061\" data-end=\"2064\"\u003eA: If the inner-engine run is still tight with shorter lengths, this is the version that usually reaches cleanly.\u003c\/p\u003e\n\u003cp data-start=\"2179\" data-end=\"2257\"\u003e\u003cstrong data-start=\"2179\" data-end=\"2219\"\u003eQ2: Any setup or calibration needed?\u003c\/strong\u003e\u003cbr data-start=\"2219\" data-end=\"2222\"\u003eA: No—just plug it in and route it.\u003c\/p\u003e\n\u003cp data-start=\"2259\" data-end=\"2352\"\u003e\u003cstrong data-start=\"2259\" data-end=\"2286\"\u003eQ3: Saltwater friendly?\u003c\/strong\u003e\u003cbr data-start=\"2286\" data-end=\"2289\"\u003eA: Yes. Rinse occasionally and check the connectors like usual.\u003c\/p\u003e\n\u003cp data-start=\"2354\" data-end=\"2458\"\u003e\u003cstrong data-start=\"2354\" data-end=\"2384\"\u003eQ4: Any installation tips?\u003c\/strong\u003e\u003cbr data-start=\"2384\" data-end=\"2387\"\u003eA: Use wide, smooth curves and avoid areas where the harness might rub.\u003c\/p\u003e\n\u003cp data-start=\"2460\" data-end=\"2583\"\u003e\u003cstrong data-start=\"2460\" data-end=\"2497\"\u003eQ5: What are early signs of wear?\u003c\/strong\u003e\u003cbr data-start=\"2497\" data-end=\"2500\"\u003eA: Sluggish controls, momentary signal drops, or jacket abrasion along tight spots.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935983522083,"sku":"84-8M0173574","price":383.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV803081.jpg?v=1720534807","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-harn-inner-50-84-8m0173574","provider":"PartsVu","version":"1.0","type":"link"}