{"product_id":"mercury-harn-excit-ext5ft-84-8m0176937","title":"Mercury – Extension Harness | 2-Pin Excitation and Ground | 84-8M0176937","description":"\u003cp data-start=\"0\" data-end=\"76\"\u003e\u003cstrong data-start=\"0\" data-end=\"76\"\u003eMercury – Extension Harness | 2-Pin Excitation and Ground | 84-8M0176937\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"78\" data-end=\"81\"\u003e\n\u003cp data-start=\"83\" data-end=\"542\"\u003e\u003cstrong data-start=\"83\" data-end=\"95\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"95\" data-end=\"98\"\u003eThis extension harness gives you a simple way to run excitation and ground to the isolator without stretching or patching together old wiring. It’s a small part, but it makes the layout around the rig center cleaner and easier to work around. At five feet long, it gives you enough room to route it neatly instead of forcing tight bends. It’s the kind of piece you appreciate when you're trying to keep the rigging bay from turning into a mess.\u003c\/p\u003e\n\u003chr data-start=\"544\" data-end=\"547\"\u003e\n\u003cp data-start=\"549\" data-end=\"1061\"\u003e\u003cstrong data-start=\"549\" data-end=\"565\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"565\" data-end=\"568\"\u003e    • \u003cstrong data-start=\"594\" data-end=\"610\"\u003e2-Pin Design\u003c\/strong\u003e – Carries excitation and ground to the isolator.\u003cbr data-start=\"659\" data-end=\"662\"\u003e    • \u003cstrong data-start=\"688\" data-end=\"713\"\u003eRig Center Connection\u003c\/strong\u003e – Plugs directly into the rig center for clean routing.\u003cbr data-start=\"769\" data-end=\"772\"\u003e    • \u003cstrong data-start=\"798\" data-end=\"823\"\u003eIsolator Adapter Link\u003c\/strong\u003e – Connects securely to the isolator adapter.\u003cbr data-start=\"868\" data-end=\"871\"\u003e    • \u003cstrong data-start=\"897\" data-end=\"917\"\u003eFive-Foot Length\u003c\/strong\u003e – Offers enough slack for easy, tidy rigging.\u003cbr data-start=\"963\" data-end=\"966\"\u003e    • \u003cstrong data-start=\"992\" data-end=\"1014\"\u003eStable Signal Path\u003c\/strong\u003e – Helps maintain reliable electrical behavior.\u003c\/p\u003e\n\u003chr data-start=\"1063\" data-end=\"1066\"\u003e\n\u003cp data-start=\"1068\" data-end=\"1255\"\u003e\u003cstrong data-start=\"1068\" data-end=\"1099\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1099\" data-end=\"1102\"\u003e    • Rig center systems\u003cbr data-start=\"1146\" data-end=\"1149\"\u003e    • Isolator adapter setups\u003cbr data-start=\"1198\" data-end=\"1201\"\u003e    • Multi-engine digital layouts\u003c\/p\u003e\n\u003chr data-start=\"1257\" data-end=\"1260\"\u003e\n\u003cp data-start=\"1262\" data-end=\"1663\"\u003e\u003cstrong data-start=\"1262\" data-end=\"1298\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1298\" data-end=\"1301\"\u003eA dedicated harness keeps the excitation and ground path predictable, which cuts down on odd electrical behavior. The length makes it easier to route without forcing tight turns or awkward tie points. It also makes troubleshooting simpler since you aren’t dealing with improvised wiring. Everything ends up feeling cleaner and more intentional behind the scenes.\u003c\/p\u003e\n\u003chr data-start=\"1665\" data-end=\"1668\"\u003e\n\u003cp data-start=\"1670\" data-end=\"1952\"\u003e\u003cstrong data-start=\"1670\" data-end=\"1685\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1685\" data-end=\"1688\"\u003eOEM harnessing keeps the electrical path solid and avoids the voltage drops that show up with off-brand wiring. The connectors seat properly, hold tight, and handle heat and vibration day after day. It’s a small part, but using OEM keeps the whole system steadier.\u003c\/p\u003e\n\u003chr data-start=\"1954\" data-end=\"1957\"\u003e\n\u003cp data-start=\"1959\" data-end=\"2146\"\u003e\u003cstrong data-start=\"1959\" data-end=\"1966\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1966\" data-end=\"1969\"\u003e\u003cstrong data-start=\"1969\" data-end=\"2011\"\u003eQ1: How do I know I need this harness?\u003c\/strong\u003e\u003cbr data-start=\"2011\" data-end=\"2014\"\u003eA: If your isolator setup needs excitation and ground from the rig center and your current wiring won’t reach, this solves that gap.\u003c\/p\u003e\n\u003cp data-start=\"2148\" data-end=\"2249\"\u003e\u003cstrong data-start=\"2148\" data-end=\"2184\"\u003eQ2: Does it require calibration?\u003c\/strong\u003e\u003cbr data-start=\"2184\" data-end=\"2187\"\u003eA: No—once connected, it simply carries the signal and ground.\u003c\/p\u003e\n\u003cp data-start=\"2251\" data-end=\"2372\"\u003e\u003cstrong data-start=\"2251\" data-end=\"2292\"\u003eQ3: How does it hold up in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2292\" data-end=\"2295\"\u003eA: With normal rinsing and a quick check on the connectors, it holds up fine.\u003c\/p\u003e\n\u003cp data-start=\"2374\" data-end=\"2486\"\u003e\u003cstrong data-start=\"2374\" data-end=\"2404\"\u003eQ4: Any installation tips?\u003c\/strong\u003e\u003cbr data-start=\"2404\" data-end=\"2407\"\u003eA: Give yourself enough slack to avoid sharp bends—five feet is usually plenty.\u003c\/p\u003e\n\u003cp data-start=\"2488\" data-end=\"2627\"\u003e\u003cstrong data-start=\"2488\" data-end=\"2538\"\u003eQ5: What are early signs of a failing harness?\u003c\/strong\u003e\u003cbr data-start=\"2538\" data-end=\"2541\"\u003eA: Flickering signals, intermittent charging behavior, or visible connector corrosion.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935981785379,"sku":"84-8M0176937","price":27.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV802890.jpg?v=1720534792","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-harn-excit-ext5ft-84-8m0176937","provider":"PartsVu","version":"1.0","type":"link"}