{"product_id":"nilight-led-light-bar-wiring-harness-kit-10ft-12awg-illuminated-switch-sealed-relay","title":"Nilight LED Light Bar Wiring Harness Kit 10ft 12AWG — Illuminated Switch \u0026 Sealed Relay","description":"\u003cp\u003e\u003cstrong\u003eThe Nilight Copper LED Light Bar Wiring Harness Kit is a ready-to-install 10-foot, 12AWG heavy-duty wiring kit with an illuminated on\/off rocker switch, relay and blade fuse for powering 12V off-road and marine LED lights.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis harness kit supplies a robust, easy-to-use electrical path for LED light bars, work lights and auxiliary lighting on a wide range of 12V vehicles and boats. Built with stranded 12-gauge copper wiring, a sealed relay, and a fuse holder, the kit is designed to reduce installation time while protecting your vehicle’s electrical system from overloads and shorts. It includes clear instructions so you can connect a light bar to a battery and switch without fabricating custom cabling.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the kit protect my vehicle’s electrical system?\u003c\/h3\u003e\n\n\u003cp\u003eThe Nilight wiring harness integrates a relay and a blade fuse to isolate the light load from the vehicle’s dash wiring and stop damage from overcurrent conditions. The relay lets the switch control high current indirectly, while the fuse interrupts power if an overcurrent or short occurs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e12AWG stranded copper conductors handle higher current with less voltage drop.\u003c\/li\u003e\n  \u003cli\u003eInline blade fuse provides replaceable overcurrent protection.\u003c\/li\u003e\n  \u003cli\u003eSealed automotive relay reduces heat at the switch and prolongs switch life.\u003c\/li\u003e\n  \u003cli\u003eWiring length and connectors minimize splicing and simplify routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this harness work with my LED light bar and vehicle?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit is built for compatibility with most 12V lighting loads up to the harness capacity, and it suits cars, trucks, jeeps, ATVs, UTVs, motorcycles and marine craft. Confirm your light bar’s total wattage and running amperage to ensure it falls within the harness’s rated capacity.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRated to support typical 12V LED bars and auxiliary lamps (check wattage\/amperage).\u003c\/li\u003e\n  \u003cli\u003eUniversal terminal and quick-disconnect connectors for common light bar plugs.\u003c\/li\u003e\n  \u003cli\u003e10-foot length provides flexible routing from battery to switch and lights.\u003c\/li\u003e\n  \u003cli\u003eSuitable for on-road and off-road vehicles plus boats and trailers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation and daily operation?\u003c\/h3\u003e\n\n\u003cp\u003eThe harness comes pre-assembled with labeled wires, an illuminated rocker switch and a relay so you can complete a reliable installation with basic hand tools. Daily use is straightforward: flip the red-indicator rocker switch to power your lights; the switch is rated for thousands of cycles for long-term durability.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePre-wired connections reduce time and wiring errors during installation.\u003c\/li\u003e\n  \u003cli\u003eIlluminated 3-pin rocker switch displays power status at night.\u003c\/li\u003e\n  \u003cli\u003eDurable switch tested for repeated on\/off cycles for dependable operation.\u003c\/li\u003e\n  \u003cli\u003eIncludes straightforward instructions to guide placement and connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical details should I verify before buying?\u003c\/h3\u003e\n\n\u003cp\u003eBefore purchase, check the total amp draw of your LED lights and the distance you need to run wiring to ensure the 10ft length and 12AWG gauge meet your installation requirements. Also verify space for mounting the switch and relay in your dash or mounting panel.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMeasure distance from battery to switch and to the light bar to confirm 10ft coverage.\u003c\/li\u003e\n  \u003cli\u003eCompare light bar wattage\/amperage to harness capacity to avoid overload.\u003c\/li\u003e\n  \u003cli\u003ePlan switch mounting location for visibility and access to the 3-pin connector.\u003c\/li\u003e\n  \u003cli\u003eAllow space for inline fuse access and relay placement near the battery or ground.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Nilight Copper LED Light Bar Wiring Harness Kit is ideal for DIY installers, off-road enthusiasts, mechanics, boat owners and fleet technicians who need a durable, plug-and-play wiring solution for 12V LED auxiliary lighting. It’s suited to anyone looking for a straightforward, protected way to add or replace lighting without custom wiring work, as long as the light load matches the harness capacity.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What vehicles are compatible with this Nilight harness?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It works with most 12V systems including cars, trucks, jeeps, ATVs, UTVs, motorcycles and boats, provided your lights’ amperage is within the harness capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this harness handle high-power LED light bars?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes for most common LED bars, but confirm your total wattage\/amperage does not exceed the 12AWG harness and fuse rating before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nilight","offers":[{"title":"Default Title","offer_id":55164564898135,"sku":"B0948Y4SDT","price":34.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/nilight-front-packaging-wiring-harness_84d9ccb2-dfc8-40bc-b0b0-e38323e1af6b.jpg?v=1790353794","url":"https:\/\/britishgarage.co.uk\/products\/nilight-led-light-bar-wiring-harness-kit-10ft-12awg-illuminated-switch-sealed-relay","provider":"British Garage","version":"1.0","type":"link"}