{"product_id":"mercury-gauge-volt-0-18v-79-8m6020009","title":"Mercury – Voltmeter 8–18V | Electrical System Monitoring | Black Face | Chrome Bezel | 79-8M6020009","description":"\u003cp data-start=\"0\" data-end=\"103\"\u003e\u003cstrong data-start=\"0\" data-end=\"103\"\u003eMercury – Voltmeter 8–18V | Electrical System Monitoring | Black Face | Chrome Bezel | 79-8M6020009\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"105\" data-end=\"108\"\u003e\n\u003cp data-start=\"110\" data-end=\"505\"\u003e\u003cstrong data-start=\"110\" data-end=\"122\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"122\" data-end=\"125\"\u003eThis 8–18V voltmeter gives you a steady look at how your electrical system is holding up while you’re out on the water. The needle moves in a slow, even sweep, so dips and spikes stand out without getting mixed in with hull movement. It’s the kind of gauge you check out of habit—quick glance, quick answer, and back to running the boat. Simple, clean, and built for everyday use.\u003c\/p\u003e\n\u003chr data-start=\"507\" data-end=\"510\"\u003e\n\u003cp data-start=\"512\" data-end=\"1011\"\u003e\u003cstrong data-start=\"512\" data-end=\"528\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"528\" data-end=\"531\"\u003e    • \u003cstrong data-start=\"557\" data-end=\"572\"\u003e8–18V Scale\u003c\/strong\u003e – Shows battery and charging voltage in a clear range.\u003cbr data-start=\"627\" data-end=\"630\"\u003e    • \u003cstrong data-start=\"656\" data-end=\"682\"\u003eSmooth Needle Movement\u003c\/strong\u003e – Stays steady through chop and throttle shifts.\u003cbr data-start=\"731\" data-end=\"734\"\u003e    • \u003cstrong data-start=\"760\" data-end=\"781\"\u003eStandard Dash Fit\u003c\/strong\u003e – Drops easily into common dash cutouts.\u003cbr data-start=\"822\" data-end=\"825\"\u003e    • \u003cstrong data-start=\"851\" data-end=\"870\"\u003eBacklit Display\u003c\/strong\u003e – Easy to read when light starts fading.\u003cbr data-start=\"911\" data-end=\"914\"\u003e    • \u003cstrong data-start=\"940\" data-end=\"964\"\u003eMarine-Durable Build\u003c\/strong\u003e – Handles spray, vibration, and daily running.\u003c\/p\u003e\n\u003chr data-start=\"1013\" data-end=\"1016\"\u003e\n\u003cp data-start=\"1018\" data-end=\"1230\"\u003e\u003cstrong data-start=\"1018\" data-end=\"1049\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1049\" data-end=\"1052\"\u003e    • FourStroke outboards\u003cbr data-start=\"1098\" data-end=\"1101\"\u003e    • Verado series\u003cbr data-start=\"1140\" data-end=\"1143\"\u003e    • Pro XS engines\u003cbr data-start=\"1183\" data-end=\"1186\"\u003e    • SmartCraft systems\u003c\/p\u003e\n\u003chr data-start=\"1232\" data-end=\"1235\"\u003e\n\u003cp data-start=\"1237\" data-end=\"1650\"\u003e\u003cstrong data-start=\"1237\" data-end=\"1273\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eOn the water, this gauge helps you catch electrical issues early—low voltage, weak batteries, or odd charging behavior. The sweep stays calm, making changes easy to spot without staring at it. Whether you’re cruising, idling, or running electronics, it gives you a quick sense of how the system is holding up. It becomes a natural part of keeping the boat ready for the day.\u003c\/p\u003e\n\u003chr data-start=\"1652\" data-end=\"1655\"\u003e\n\u003cp data-start=\"1657\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1657\" data-end=\"1672\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1672\" data-end=\"1675\"\u003eOEM gauges read Mercury’s electrical signals properly, so the voltage you see is accurate. They handle heat, weather, and vibration better than cheaper versions. Most boaters stick with OEM because electrical health isn’t something you want to guess on.\u003c\/p\u003e\n\u003chr data-start=\"1930\" data-end=\"1933\"\u003e\n\u003cp data-start=\"1935\" data-end=\"2067\"\u003e\u003cstrong data-start=\"1935\" data-end=\"1942\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"1942\" data-end=\"1945\"\u003e\u003cstrong data-start=\"1945\" data-end=\"1993\"\u003e1. How do I know the voltmeter is going bad?\u003c\/strong\u003e\u003cbr data-start=\"1993\" data-end=\"1996\"\u003eIf the needle jumps, freezes, or barely moves, it’s likely wearing out.\u003c\/p\u003e\n\u003cp data-start=\"2069\" data-end=\"2198\"\u003e\u003cstrong data-start=\"2069\" data-end=\"2109\"\u003e2. Does this gauge need calibration?\u003c\/strong\u003e\u003cbr data-start=\"2109\" data-end=\"2112\"\u003eMost setups read correctly right away, though checking wiring during install is smart.\u003c\/p\u003e\n\u003cp data-start=\"2200\" data-end=\"2311\"\u003e\u003cstrong data-start=\"2200\" data-end=\"2236\"\u003e3. How does it handle saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2236\" data-end=\"2239\"\u003eA quick rinse after each run keeps it healthy through saltwater seasons.\u003c\/p\u003e\n\u003cp data-start=\"2313\" data-end=\"2433\"\u003e\u003cstrong data-start=\"2313\" data-end=\"2359\"\u003e4. Anything important during installation?\u003c\/strong\u003e\u003cbr data-start=\"2359\" data-end=\"2362\"\u003eClean grounds and tight power connections help keep the reading steady.\u003c\/p\u003e\n\u003cp data-start=\"2435\" data-end=\"2557\"\u003e\u003cstrong data-start=\"2435\" data-end=\"2482\"\u003e5. What does low voltage usually look like?\u003c\/strong\u003e\u003cbr data-start=\"2482\" data-end=\"2485\"\u003eThe needle dips low and stays down, especially when you load the system.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936504238371,"sku":"79-8M6020009","price":30.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV1003081.jpg?v=1720533534","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-gauge-volt-0-18v-79-8m6020009","provider":"PartsVu","version":"1.0","type":"link"}