{"product_id":"nilight-copper-led-light-bar-wiring-harness-kit","title":"Nilight Copper LED Light Bar Wiring Harness Kit","description":"\u003cp\u003e\u003cstrong\u003eNilight's Copper LED Light Bar Wiring Harness Kit is a complete 10-foot, 12AWG heavy-duty wiring set with an illuminated on\/off switch, power relay, and blade fuse designed to safely power 12V off-road LED lights.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis harness is built to simplify installation and protect your lighting circuit on jeeps, ATVs, UTVs, trucks, boats and other 12V vehicles. It combines a durable, flexible 12-gauge copper-stranded lead with a pre-wired relay and inline blade fuse, plus a red-illuminated rocker switch rated for thousands of operations. The kit arrives ready to connect a single LED light or light bar and is sized to handle high-current LED loads while keeping wiring neat and secure.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the 12AWG copper wire improve performance and safety?\u003c\/h3\u003e\n\u003cp\u003eThe 12AWG stranded copper wire provides lower resistance and better heat dissipation than thinner wires, reducing voltage drop at high currents. That helps LEDs run at stable brightness and minimizes risk of overheating under heavy load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10-foot main harness for flexible routing from battery to dash\u003c\/li\u003e\n  \u003cli\u003e12AWG stranded copper supports up to approximately 450W load capacity\u003c\/li\u003e\n  \u003cli\u003eThicker gauge reduces voltage drop over long runs\u003c\/li\u003e\n  \u003cli\u003eFlexible strand construction eases bends and mounting in cramped spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protection features prevent electrical damage or shorts?\u003c\/h3\u003e\n\u003cp\u003eThe harness uses a power relay to switch high current loads away from the dash switch, plus an inline blade fuse to interrupt the circuit in case of overcurrent or short. Together these components reduce the chance of switch failure, wiring damage, or battery drainage when faults occur.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive-grade relay handles high-current switching safely\u003c\/li\u003e\n  \u003cli\u003eInline blade fuse protects against overloads and short circuits\u003c\/li\u003e\n  \u003cli\u003eWiring connections are insulated to limit exposure and corrosion\u003c\/li\u003e\n  \u003cli\u003eSwitch is designed for reliable on\/off control without carrying full load current\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation for common vehicles and LED lights?\u003c\/h3\u003e\n\u003cp\u003eThe harness is pre-assembled to speed installation: one end connects to the battery, the relay sits near the power source, and the illuminated rocker switch mounts to the dash. Minimal cutting or splicing is required for most single-light or light-bar setups, and the 10-foot length gives plenty of slack for routing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play style connectors for typical LED light bars\u003c\/li\u003e\n  \u003cli\u003e10ft length gives room to reach battery and dashboard locations\u003c\/li\u003e\n  \u003cli\u003eClear wiring paths reduce the need for additional extensions\u003c\/li\u003e\n  \u003cli\u003eIncludes basic instructions to guide common installs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect from the illuminated rocker switch and durability?\u003c\/h3\u003e\n\u003cp\u003eThe switch is a 3-pin on\/off rocker with a red indicator light that illuminates when active, providing clear visual feedback at night. It is rated for repeated use and has passed extensive press testing to ensure long-term reliability in daily off-road conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIlluminated red rocker gives visible on\/off status in low light\u003c\/li\u003e\n  \u003cli\u003e3-pin switch layout simplifies wiring and mounting options\u003c\/li\u003e\n  \u003cli\u003eTested to thousands of presses for dependable operation\u003c\/li\u003e\n  \u003cli\u003eCompact dash profile blends with vehicle interiors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Nilight Copper LED Light Bar Wiring Harness Kit is aimed at DIY vehicle owners, off-road enthusiasts, and small fleet managers who need a reliable, ready-made wiring solution for a single 12V LED light or light bar. If you want a heavy-gauge harness that reduces voltage drop, provides relay-driven switching, and includes overcurrent protection for jeeps, ATVs, UTVs, trucks, trailers or marine 12V systems, this kit delivers a straightforward, durable option with enough length to accommodate most installations.\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: Will this harness handle a 300W LED light bar?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 12AWG harness and relay support up to about 450W; a 300W bar is within the kit's capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I extend the switch wire length from relay to switch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The relay-to-switch lead can be extended if needed; use similar gauge wiring for safety.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nilight","offers":[{"title":"Default Title","offer_id":48087046127774,"sku":"B0948Y4SDT","price":34.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/nilight-front-packaging-harness.jpg?v=1785915111","url":"https:\/\/northtrailauto.ca\/products\/nilight-copper-led-light-bar-wiring-harness-kit","provider":"North Trail Auto","version":"1.0","type":"link"}