{"product_id":"mercury-hrn-power-3ft-84-8m0150521","title":"Mercury – Diesel Engine Switched Power Harness | 3 Ft | Power Harness | 8M0150521","description":"\u003ch2\u003eMercury – Diesel Engine Switched Power Harness | 3 Ft | Power Harness | 8M0150521\u003c\/h2\u003e\n\u003cp\u003eThe Mercury diesel engine switched power harness is designed for diesel installations where a clean, compact power connection is required. This harness supplies engine-switched power, ensuring connected components receive voltage only when the engine is running. It helps protect onboard electronics from unnecessary power draw when the engine is off.\u003c\/p\u003e\n\u003cp\u003eThe 3-foot length is ideal for tight engine compartments and installations where components are mounted close to the engine. Shorter routing reduces excess slack, minimizes strain on connectors, and supports long-term electrical reliability in demanding diesel environments.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine-Switched Power Feed – Supplies power only when the engine is running\u003c\/li\u003e\n\u003cli\u003e3-Foot Harness Length – Ideal for compact engine rooms and short routing paths\u003c\/li\u003e\n\u003cli\u003eDiesel-Specific Design – Built for Mercury diesel electrical systems\u003c\/li\u003e\n\u003cli\u003eOEM Wiring \u0026amp; Connectors – Manufactured to factory durability and sealing standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury diesel engines\u003c\/li\u003e\n\u003cli\u003eBoats with compact diesel engine compartments\u003c\/li\u003e\n\u003cli\u003eMechanical control systems\u003c\/li\u003e\n\u003cli\u003eDTS control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for Mercury diesel applications\u003c\/li\u003e\n\u003cli\u003eNot intended for gasoline outboard systems\u003c\/li\u003e\n\u003cli\u003eConfirm required harness length before installation\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for diesel electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1) What does an engine-switched power harness do?\u003c\/strong\u003e\u003cbr\u003eIt provides power only when the engine is running, ensuring connected accessories are not energized when the engine is off.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2) When should I use a 3-foot harness?\u003c\/strong\u003e\u003cbr\u003eA 3-foot harness is ideal when electrical components are mounted close to the engine and minimal routing distance is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3) Is this harness compatible with DTS systems?\u003c\/strong\u003e\u003cbr\u003eYes. This harness is compatible with Mercury diesel installations using mechanical or DTS control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4) Can this be used on gasoline engines?\u003c\/strong\u003e\u003cbr\u003eNo. This harness is designed specifically for Mercury diesel electrical systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5) Why choose an OEM Mercury power harness?\u003c\/strong\u003e\u003cbr\u003eOEM harnesses use the correct wire gauge, insulation, and sealed connectors to help prevent corrosion, voltage drop, and intermittent electrical issues in diesel environments.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935993712931,"sku":"84-8M0150521","price":35.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV727107.jpg?v=1720534594","url":"https:\/\/partsvu.com\/en-au\/products\/mercury-hrn-power-3ft-84-8m0150521","provider":"PartsVu","version":"1.0","type":"link"}