{"product_id":"nilight-7-way-to-5-way-coiled-trailer-extension-wiring","title":"Nilight 7 Way to 5-Way Coiled Trailer Extension Wiring","description":"\u003cstrong\u003eNilight's 7-way to 5-way coiled trailer wiring harness is a 5-foot, stretchable adapter cable that converts a 7-way RV blade outlet to a 5-way flat trailer plug for powering lights and signals.\u003c\/strong\u003e\n\n\u003cp\u003eWhen you need to tow a lightweight trailer or boat with a vehicle equipped with a 7-way blade socket, this compact Nilight adapter provides a clean, plug-and-play electrical link. The coiled design stretches up to 5 feet to give slack during turns and retracts to minimize dragging or tangling. Constructed with soft PVC insulation and plated terminals, the cord balances flexibility with corrosion resistance for routine towing use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this adapter connect my vehicle to a trailer?\u003c\/h3\u003e\n\u003cp\u003eThe harness plugs directly into a vehicle’s 7-way blade receptacle and provides a 5-way flat connector for the trailer, transferring power for running lights, brakes (as applicable), and auxiliary functions. A separate blue wire is included for reverse or backup light circuits when needed. Installation requires no wire splicing—simply match the plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e7-way male blade to 5-way flat female conversion\u003c\/li\u003e\n  \u003cli\u003eIncludes blue wire for reverse\/backup light function\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play—no cutting or splicing\u003c\/li\u003e\n  \u003cli\u003eCompatible with most small trailers, boat trailers, and converters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the durability and construction features?\u003c\/h3\u003e\n\u003cp\u003eThe cable uses heavy-duty black plastic housing and soft PVC overmolding for the coiled cord to resist abrasion and moisture. Brass and tin-plated terminals ensure reliable electrical contact and reduce corrosion in outdoor environments. The coiled 18-gauge cabling stretches without permanently deforming and retracts to avoid dragging on the road.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSoft PVC jacket protects against wear and elements\u003c\/li\u003e\n  \u003cli\u003eBrass and tin-plated contacts for stable conductivity\u003c\/li\u003e\n  \u003cli\u003e18-gauge wiring sized for trailer lighting circuits\u003c\/li\u003e\n  \u003cli\u003eCoiled form factor prevents cable dragging and tangling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this adapter fit my trailer and towing setup?\u003c\/h3\u003e\n\u003cp\u003eThis adapter is designed to adapt a 7-way RV blade vehicle socket to a 5-way flat trailer plug commonly found on lightweight trailers and converters. It works well with trailers that use 5-pin flat connections for lights and auxiliary circuits; check your trailer plug type before ordering. The 5-foot maximum extended length provides added reach for tight turns and hitch offsets.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 7-way vehicle blade sockets and 5-way flat trailer plugs\u003c\/li\u003e\n  \u003cli\u003eIdeal for boat trailers, small caravans, and converters\u003c\/li\u003e\n  \u003cli\u003e5-foot extension prevents cable strain during turns\u003c\/li\u003e\n  \u003cli\u003eNot a replacement for full heavy-duty brake or power wiring systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what’s included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward—insert the 7-way blade into the vehicle receptacle and attach the 5-flat connector to the trailer plug. No tools or wiring knowledge are required for standard light and signal circuits. The package includes the coiled 5ft harness and a user manual to confirm pin mappings and safe use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple plug-in connection—no splicing necessary\u003c\/li\u003e\n  \u003cli\u003eComes with one 5-foot coiled adapter and user manual\u003c\/li\u003e\n  \u003cli\u003eWorks with common tail lamp converters that accept 5-flat inputs\u003c\/li\u003e\n  \u003cli\u003ePackaged for immediate use out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This Nilight 7-way to 5-way coiled wiring harness is aimed at drivers who tow lightweight trailers, boat trailers, or use tail-light converters and need a compact, reliable adapter to bridge a 7-way vehicle socket to a 5-flat trailer plug. It’s a practical choice for occasional or regular towing where a stretchable, corrosion-resistant, plug-and-play solution is preferred over permanent rewiring.\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: Does this harness require splicing to work?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It’s a plug-and-play adapter that connects a 7-way blade socket to a 5-flat trailer plug without splicing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does the coiled cord extend?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The coiled cable stretches up to 5 feet to provide extra reach during turns and retracts to avoid dragging.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nilight","offers":[{"title":"Default Title","offer_id":48087388782750,"sku":"B0CP433NSQ","price":38.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/nilight-front-angle-7-way-to-5-way-harness.jpg?v=1785922891","url":"https:\/\/northtrailauto.ca\/products\/nilight-7-way-to-5-way-coiled-trailer-extension-wiring","provider":"North Trail Auto","version":"1.0","type":"link"}