{"product_id":"nilight-7-way-trailer-extension-cord-12ft-heavy-duty-molded-plug-copper-wiring","title":"Nilight 7-Way Trailer Extension Cord 12FT — Heavy-Duty Molded Plug \u0026 Copper Wiring","description":"\u003cp\u003e\u003cstrong\u003eNilight 7Way 12FT is a heavy-duty 7-way trailer extension cord with a molded 7-blade plug and 12 feet of weatherproof, pure-copper wiring for reliable trailer lighting and auxiliary power connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis extension harness simplifies trailer-to-tow-vehicle wiring by combining all seven circuits into one molded plug and a 12-foot cable that gives you extra reach for clean, safe installations. Built with high-purity copper conductors and a flexible PVC outer jacket, the cord resists corrosion and bending while keeping wires organized and ready to join to a junction box or existing harness. A color-coded wiring set and an included diagram make splicing or terminal connections straightforward for RVs, trailers, campers, and light commercial towed rigs.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this 7-way extension make trailer wiring easier?\u003c\/h3\u003e\n\u003cp\u003eInstead of managing seven separate wires, the Nilight 7Way 12FT provides a single, molded plug that consolidates circuits and keeps wires neat. The color-coded leads eliminate guesswork at the splice point, and the included wiring diagram guides installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMolded 7-blade plug for fast, single-point connection.\u003c\/li\u003e\n  \u003cli\u003eSeven color-coded leads corresponding to standard trailer circuits.\u003c\/li\u003e\n  \u003cli\u003eIncluded wiring diagram for accurate terminal matching.\u003c\/li\u003e\n  \u003cli\u003e12 feet of length to reach junction boxes or harnesses comfortably.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this cord withstand outdoor conditions and frequent use?\u003c\/h3\u003e\n\u003cp\u003eThe Nilight cord uses pure copper conductors and a rugged PVC jacket engineered for outdoor service. Those materials resist corrosion and retain flexibility in varying weather, reducing cracking or breakage at common stress points.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePure copper wiring for consistent conductivity and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003eWeatherproof PVC housing keeps moisture and grit out of the bundle.\u003c\/li\u003e\n  \u003cli\u003eDurable molded plug withstands repeated plugging and harsh conditions.\u003c\/li\u003e\n  \u003cli\u003eDesigned for long-term flexibility to ease routing and storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and functions work with this 7-way extension?\u003c\/h3\u003e\n\u003cp\u003eThis harness supports the standard seven trailer circuits — tail, brake, left\/right turn, reverse, auxiliary power and ground — making it suitable for most trailers and tow vehicles. It's ideal for RVs, campers, caravans, food trucks, and utility trailers that use a 7-way connector.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrailer tail lights, brake lights, and turn signals wiring.\u003c\/li\u003e\n  \u003cli\u003eReverse and auxiliary 12V circuits for backup cameras or power.\u003c\/li\u003e\n  \u003cli\u003eFits RVs, campers, caravans, food vans and many towed trailers.\u003c\/li\u003e\n  \u003cli\u003eWorks with standard 7-blade vehicle trailer sockets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the Nilight 7Way 12FT safely?\u003c\/h3\u003e\n\u003cp\u003eInstallation commonly involves routing the cable to your trailer junction box, matching color-coded wires to the proper terminals, securing connections, and sealing splices. Always disconnect power and follow the supplied diagram and vehicle manufacturer guidance before performing wiring work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRoute cable to junction box and avoid sharp edges or heat sources.\u003c\/li\u003e\n  \u003cli\u003eMatch each color-coded wire to its corresponding terminal per diagram.\u003c\/li\u003e\n  \u003cli\u003eUse proper connectors, solder, or marine-grade crimp terminals and protect splices.\u003c\/li\u003e\n  \u003cli\u003eTest all lighting functions before regular use and recheck periodically.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Nilight 7Way 12FT trailer extension cord is made for tow-vehicle owners, DIY trailer builders, RV enthusiasts, and small commercial operators who need a reliable, weather-resistant 7-way connection with extra reach. If you want a straightforward, color-coded harness that reduces installation time and stays durable under outdoor conditions, this extension is suited to your trailer wiring needs.\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: Is this extension compatible with my 7-way trailer socket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—it's a standard 7-blade connector designed to mate with typical 7-way vehicle and trailer sockets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include a wiring diagram and how long is the cable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it includes a wiring diagram and the cable length is 12 feet for easier routing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nilight","offers":[{"title":"Default Title","offer_id":48083294683294,"sku":"B0CR732ZLL","price":53.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/nilight-plug-front-view.jpg?v=1785830792","url":"https:\/\/northtrailauto.ca\/products\/nilight-7-way-trailer-extension-cord-12ft-heavy-duty-molded-plug-copper-wiring","provider":"North Trail Auto","version":"1.0","type":"link"}