{"product_id":"mercury-harness-20-ext-84-879312t03","title":"Mercury – Engine to Vessel Interface Panel Extension Harness 20 Foot | Sterndrive Harness Extension | 84-879312T03","description":"\u003ch2\u003eMercury – Engine to Vessel Interface Panel Extension Harness 20 Foot | Sterndrive Harness Extension | 84-879312T03\u003c\/h2\u003e\n\n\u003cp\u003eThe Mercury Engine-to-Vessel Interface Panel (VIP) Extension Harness is designed for diesel sterndrive installations where the interface panel is mounted a significant distance from the engine. It provides a factory-correct extension between the engine and VIP without cutting, splicing, or modifying original wiring.\u003c\/p\u003e\n\n\u003cp\u003eThe 20-foot length supports larger boats with extended rigging paths, wide beams, or deeper engine compartments. It allows smooth, stress-free routing while maintaining stable and reliable communication between the engine and vessel interface panel.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine-to-VIP Extension Harness – Extends communication between diesel engine and vessel interface panel\u003c\/li\u003e\n\u003cli\u003e20-Foot Length – Designed for long-distance routing between engine and interface panel\u003c\/li\u003e\n\u003cli\u003eNon-DTS Sterndrive Compatible – Built specifically for Mercury diesel mechanical sterndrive systems\u003c\/li\u003e\n\u003cli\u003eOEM Mercury Connectors – Ensures proper fit and consistent signal transmission\u003c\/li\u003e\n\u003cli\u003eMarine-Grade Construction – Resists vibration, heat, and moisture in engine-room environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Diesel 2.0L engines\u003c\/li\u003e\n\u003cli\u003eMercury Diesel 2.8L engines\u003c\/li\u003e\n\u003cli\u003eMercury Diesel 4.2L engines\u003c\/li\u003e\n\u003cli\u003eMechanical (non-DTS) control systems\u003c\/li\u003e\n\u003cli\u003eDiesel sterndrive applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for non-DTS diesel sterndrive systems.\u003c\/li\u003e\n\u003cli\u003eUse only when extended distance is required between engine and VIP.\u003c\/li\u003e\n\u003cli\u003eDo not splice or modify factory wiring when installing this extension.\u003c\/li\u003e\n\u003cli\u003eEnsure connectors are fully seated and routing avoids sharp bends or pinch points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e1) What does this harness connect?\u003c\/strong\u003e\u003cbr\u003e\nIt extends the connection between the diesel engine and the vessel interface panel (VIP).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e2) Is this harness compatible with DTS systems?\u003c\/strong\u003e\u003cbr\u003e\nNo. This extension harness is intended for non-DTS diesel sterndrive applications only.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e3) When is a 20-foot harness recommended?\u003c\/strong\u003e\u003cbr\u003e\nIt is commonly used on larger boats with long rigging paths, deep engine rooms, or wide-beam layouts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e4) Why use an OEM extension instead of splicing wiring?\u003c\/strong\u003e\u003cbr\u003e\nOEM harnesses preserve correct shielding, pin alignment, and signal quality, helping prevent communication errors and long-term wiring issues.\u003c\/p\u003e\n","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936041849123,"sku":"84-879312T03","price":261.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV477990.jpg?v=1698795905","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-harness-20-ext-84-879312t03","provider":"PartsVu","version":"1.0","type":"link"}