{"product_id":"nr-nirider-2-lead-12v-40a-wiring-harness-kit-black-nylon-relay-fuse-illuminated-rocker-switch","title":"NR NIRIDER 2-Lead 12V 40A Wiring Harness Kit — Black Nylon, Relay, Fuse \u0026 Illuminated Rocker Switch","description":"\u003cp\u003e\u003cstrong\u003eNR NIRIDER 2-lead 12V 40A nylon wiring harness is a complete plug-and-play kit built to power and protect up to two auxiliary LED lights (maximum 400W total) with a sealed relay, fuse and illuminated rocker switch.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis harness is engineered for drivers and riders who want a tidy, reliable way to add fog lights, LED light bars, driving lights or work lights to trucks, UTVs, ATVs, boats and other 12V systems. The heavy-duty nylon-jacketed wiring, a 40A plug-in relay and an ATO-style 30A fuse give a combination of protection, longevity and ease of installation. Everything arrives pre-terminated so you can route the cables, secure the relay and connect the switch with minimal cutting or splicing.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness keep my lights protected?\u003c\/h3\u003e\n\u003cp\u003eThe kit uses a plug-in 40A relay to isolate the high-current load from the vehicle's switch circuit, preventing switch overheating and wiring stress. A sealed ATO-style fuse with rubber cap guards against short circuits and overcurrent conditions while the relay's 4-pole construction improves reliability in wet environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40A plug-in relay reduces switch current and protects vehicle wiring\u003c\/li\u003e\n  \u003cli\u003eATO 30A fuse in sealed holder for quick replacement and moisture resistance\u003c\/li\u003e\n  \u003cli\u003eNylon-jacketed wires for heat dissipation and abrasion resistance\u003c\/li\u003e\n  \u003cli\u003eWaterproof design components to reduce corrosion risk\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install on a truck or UTV?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: route the pre-crimped wires to each light, mount the relay and fuse near the battery, and install the illuminated rocker switch in a dash opening. The kit includes male\/female insulated connectors and heat-shrink tubing so you can make secure, professional-looking connections without specialty tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e14.7 ft total cable length provides ample reach for most vehicle layouts\u003c\/li\u003e\n  \u003cli\u003ePre-terminated connectors minimize cutting and soldering\u003c\/li\u003e\n  \u003cli\u003eIncluded switch, relay, fuse and mounting hardware for one-stop installation\u003c\/li\u003e\n  \u003cli\u003eSimple wiring diagram and plug-style relay speed up setup time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat lights and loads will this wiring harness support?\u003c\/h3\u003e\n\u003cp\u003eThis 2-lead harness is rated to run two LED fixtures up to a combined 400W at 12V (roughly 33A continuous). It's designed for LED light bars, pods, fog lamps and work lights used in offroad or work applications; however, confirm the combined current draw of your fixtures before installing to avoid overloading.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports up to two lights with a combined power up to 400W (12V system)\u003c\/li\u003e\n  \u003cli\u003eBest suited for LED light bars, LED pods, fog lights and auxiliary driving lamps\u003c\/li\u003e\n  \u003cli\u003eNot intended for continuous high-current accessories beyond the 40A relay rating\u003c\/li\u003e\n  \u003cli\u003eUse appropriate relays\/fuses if exceeding the kit's max specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the harness in wet or rough environments?\u003c\/h3\u003e\n\u003cp\u003eThe wiring uses a high-tensile nylon jacket to resist abrasion, flexing and heat, extending service life compared with bare wire. Sealed fuse holder, heat-resistant components and a tested rocker switch add layers of defense against moisture, vibration and repeated use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNylon-sheathed cabling for better wear resistance and cleaner installation look\u003c\/li\u003e\n  \u003cli\u003eHeat-resistant components reduce risk of deformation under load\u003c\/li\u003e\n  \u003cli\u003eRelay and fuse sealed against splashes and light moisture exposure\u003c\/li\u003e\n  \u003cli\u003eRocker switch tested for repeated cycles to ensure lasting performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this kit is for: NR NIRIDER's 2-lead 12V 40A nylon wiring harness is aimed at DIYers, mechanics and fleet operators who want a reliable, neat electrical solution for auxiliary LED lighting on trucks, SUVs, ATVs, UTVs and boats. If you need a tidy installation, solid protection for your vehicle's electrical system, and enough cable length to reach lights across common vehicle layouts, this kit supplies the essentials with a professional finish. If your setup draws more than the rated 40A relay or you plan to power non-LED high-current accessories, choose a harness with a higher-rated relay and fuse.\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: Can this harness run two LED light bars at the same time?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it supports two lights up to a combined 400W on a 12V system. Verify your lights' total current draw stays below the harness limits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the kit waterproof for offroad use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Components are sealed against splashes and moisture; however, avoid submersion and mount fuse\/relay in protected locations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NR NIRIDER","offers":[{"title":"Default Title","offer_id":67595588599993,"sku":"B07R5DZWTG","price":52.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/nr-nirider-front-packaging-wiring-harness.jpg?v=1790590187","url":"https:\/\/redleafauto.ca\/products\/nr-nirider-2-lead-12v-40a-wiring-harness-kit-black-nylon-relay-fuse-illuminated-rocker-switch","provider":"Redleaf Auto","version":"1.0","type":"link"}