{"product_id":"mercury-harn-excit-ext10f-84-8m0176939","title":"Mercury – Extension Harness | 2-Pin Excitation and Ground | 84-8M0176939","description":"\u003cp data-start=\"0\" data-end=\"76\"\u003e\u003cstrong data-start=\"0\" data-end=\"76\"\u003eMercury – Extension Harness | 2-Pin Excitation and Ground | 84-8M0176939\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"78\" data-end=\"81\"\u003e\n\u003cp data-start=\"83\" data-end=\"543\"\u003e\u003cstrong data-start=\"83\" data-end=\"95\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"95\" data-end=\"98\"\u003eThis ten-foot harness gives you the extra reach you need when the rig center and isolator aren’t close together. It keeps things simple—just a clean way to run excitation and ground without stretching or forcing wires around tight corners. The longer run also makes it easier to route the harness in a way that actually makes sense when you open the rigging bay later. It’s a small piece, but it helps the whole setup feel a lot more manageable.\u003c\/p\u003e\n\u003chr data-start=\"545\" data-end=\"548\"\u003e\n\u003cp data-start=\"550\" data-end=\"1069\"\u003e\u003cstrong data-start=\"550\" data-end=\"566\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"566\" data-end=\"569\"\u003e    • \u003cstrong data-start=\"595\" data-end=\"611\"\u003e2-Pin Layout\u003c\/strong\u003e – Carries excitation and ground to the isolator.\u003cbr data-start=\"660\" data-end=\"663\"\u003e    • \u003cstrong data-start=\"689\" data-end=\"714\"\u003eRig Center Connection\u003c\/strong\u003e – Plugs into the rig center as the starting point.\u003cbr data-start=\"765\" data-end=\"768\"\u003e    • \u003cstrong data-start=\"794\" data-end=\"819\"\u003eIsolator Adapter Link\u003c\/strong\u003e – Connects directly to the isolator adapter.\u003cbr data-start=\"864\" data-end=\"867\"\u003e    • \u003cstrong data-start=\"893\" data-end=\"911\"\u003eTen-Foot Reach\u003c\/strong\u003e – Extra room for boats with longer or awkward routing paths.\u003cbr data-start=\"972\" data-end=\"975\"\u003e    • \u003cstrong data-start=\"1001\" data-end=\"1023\"\u003eSteady Signal Path\u003c\/strong\u003e – Helps keep electrical behavior predictable.\u003c\/p\u003e\n\u003chr data-start=\"1071\" data-end=\"1074\"\u003e\n\u003cp data-start=\"1076\" data-end=\"1263\"\u003e\u003cstrong data-start=\"1076\" data-end=\"1107\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1107\" data-end=\"1110\"\u003e    • Rig center systems\u003cbr data-start=\"1154\" data-end=\"1157\"\u003e    • Isolator adapter setups\u003cbr data-start=\"1206\" data-end=\"1209\"\u003e    • Multi-engine digital layouts\u003c\/p\u003e\n\u003chr data-start=\"1265\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1270\" data-end=\"1635\"\u003e\u003cstrong data-start=\"1270\" data-end=\"1306\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1306\" data-end=\"1309\"\u003eWith the extra length, you can route the harness in a smoother path instead of cramming it into tight spaces. That usually means less rubbing and fewer pinch points down the road. It also makes it easier to follow the wiring later if you need to chase an issue. The whole rigging area ends up feeling cleaner and less cramped.\u003c\/p\u003e\n\u003chr data-start=\"1637\" data-end=\"1640\"\u003e\n\u003cp data-start=\"1642\" data-end=\"1924\"\u003e\u003cstrong data-start=\"1642\" data-end=\"1657\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1657\" data-end=\"1660\"\u003eOEM harnesses hold tight and stay stable even after long seasons of heat and vibration. The connectors match the system the way Mercury intended, which helps avoid weird electrical quirks. It’s the sort of part you install once and don’t have to think about again.\u003c\/p\u003e\n\u003chr data-start=\"1926\" data-end=\"1929\"\u003e\n\u003cp data-start=\"1931\" data-end=\"2115\"\u003e\u003cstrong data-start=\"1931\" data-end=\"1938\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1938\" data-end=\"1941\"\u003e\u003cstrong data-start=\"1941\" data-end=\"1988\"\u003eQ1: How do I know this is the right length?\u003c\/strong\u003e\u003cbr data-start=\"1988\" data-end=\"1991\"\u003eA: If your isolator sits a bit farther from the rig center and shorter harnesses feel too tight, this one usually solves it.\u003c\/p\u003e\n\u003cp data-start=\"2117\" data-end=\"2227\"\u003e\u003cstrong data-start=\"2117\" data-end=\"2159\"\u003eQ2: Does the harness need calibration?\u003c\/strong\u003e\u003cbr data-start=\"2159\" data-end=\"2162\"\u003eA: No—once plugged in, it just carries the excitation and ground.\u003c\/p\u003e\n\u003cp data-start=\"2229\" data-end=\"2339\"\u003e\u003cstrong data-start=\"2229\" data-end=\"2266\"\u003eQ3: How does it handle saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2266\" data-end=\"2269\"\u003eA: A quick rinse and occasional connector check keep it in good shape.\u003c\/p\u003e\n\u003cp data-start=\"2341\" data-end=\"2462\"\u003e\u003cstrong data-start=\"2341\" data-end=\"2371\"\u003eQ4: Any installation tips?\u003c\/strong\u003e\u003cbr data-start=\"2371\" data-end=\"2374\"\u003eA: Use the extra length to make a relaxed routing path and leave room for future access.\u003c\/p\u003e\n\u003cp data-start=\"2464\" data-end=\"2610\"\u003e\u003cstrong data-start=\"2464\" data-end=\"2526\"\u003eQ5: What are early signs the harness might be wearing out?\u003c\/strong\u003e\u003cbr data-start=\"2526\" data-end=\"2529\"\u003eA: Flickering readings, inconsistent charging, or corrosion around the connector.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935981228323,"sku":"84-8M0176939","price":45.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV802958.jpg?v=1720534799","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-harn-excit-ext10f-84-8m0176939","provider":"PartsVu","version":"1.0","type":"link"}