{"product_id":"mercury-harness-879288t88","title":"Mercury Main Engine Harness Fits Many Alpha\/Bravo Engines #879288T88","description":"\u003ch2\u003eMercury Marine 879288T88 Wiring Harness\u003c\/h2\u003e\n\u003cp\u003eThe main engine harness is the nervous system of your Mercury outboard. Every sensor reading, every ECM command, every ignition signal runs through it. When the harness fails — from corrosion, chafe, rodent damage, or years of heat and vibration — the symptoms can range from intermittent gremlins to a complete no-start. Chasing electrical faults on a compromised harness is a frustrating, time-consuming exercise. Replacing it with a genuine Mercury harness is usually the cleaner, faster fix.\u003c\/p\u003e\n\u003cp\u003eThe #879288T88 is a genuine OEM Mercury Main Engine Harness, built to the same specifications as the original. At over 6 pounds of precision-assembled wiring, connectors, and protective sheathing, this is a substantial component engineered to handle the thermal cycling, vibration, and moisture exposure that marine engines dish out daily. Genuine Mercury wiring uses the correct gauge, insulation rating, and connector types for each circuit — details that matter when you're dealing with fuel injection, ignition timing, and engine management systems.\u003c\/p\u003e\n\u003cp\u003eThis isn't a part to cut corners on. An aftermarket harness that doesn't meet Mercury's specs can introduce resistance, poor connections, or incompatible connectors that create new problems rather than solving the original one. If your engine is throwing unexplained codes, showing erratic gauge behavior, or has a harness with visible damage, the #879288T88 is the right answer. Call us at 816-841-3364 if you need help confirming fitment before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNormalized SKU:\u003c\/b\u003e 879288T88\u003cbr\u003e\u003cb\u003eUPC Code:\u003c\/b\u003e 745061846999\u003c\/p\u003e","brand":"Mercury Marine","offers":[{"title":"Default Title","offer_id":53399457562929,"sku":"MRC-879288T88","price":1285.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/7184\/8291\/files\/mercury-main-engine-harness-fits-many-alpha-bravo-engines-879288t88-745061846999-1230156668.jpg?v=1774866185","url":"https:\/\/www.firstchoicemarine.com\/products\/mercury-harness-879288t88","provider":"First Choice Marine","version":"1.0","type":"link"}