{"product_id":"nilight-7-way-round-trailer-extension-cord-8ft-heavy-duty-pvc-jacket-molded-copper-plug","title":"Nilight 7-Way Round Trailer Extension Cord 8ft – Heavy-Duty PVC Jacket, Molded Copper Plug","description":"\u003cstrong\u003eNilight’s 8 ft heavy-duty 7-way round inline trailer plug extension cord delivers a weatherproof, flexible connection to carry tail, brake, turn, reverse and auxiliary signals between a tow vehicle and trailer.\u003c\/strong\u003e\n\n\u003cp\u003eThis 8-foot, 7-way round inline extension by Nilight is built to simplify trailer wiring while resisting the elements. It pairs a molded 7-way copper blade plug with color-coded wires in a durable PVC jacket so you can extend or replace an existing harness without redoing the whole system. The cord’s length and flexibility reduce strain on connections during turns and backing maneuvers, while corrosion-resistant materials extend service life.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this extension make trailer wiring easier?\u003c\/h3\u003e\n\u003cp\u003eThe Nilight inline plug combines a pre-molded 7-way copper blade with seven color-coded conductors ready for junction-box termination. That removes the need to splice individual wires at the vehicle plug and keeps the wiring organized for faster installation and troubleshooting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMolded 7-way copper blade for reliable contact and simplified insertion\u003c\/li\u003e\n  \u003cli\u003eSeven color-coded wires matched to standard trailer circuits\u003c\/li\u003e\n  \u003cli\u003eReady for junction box connections—no separate blade assembly required\u003c\/li\u003e\n  \u003cli\u003eIncludes a wiring diagram to verify connections before use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this cord durable enough for outdoor and towing use?\u003c\/h3\u003e\n\u003cp\u003eYes—Nilight designed the 8 ft cord with a soft yet robust PVC housing that resists weather damage, abrasion, and corrosion. The flexible jacket also prevents kinking and reduces pull on terminals when trailers articulate during turns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWeatherproof PVC outer jacket guards against moisture and UV exposure\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant copper blade ensures long-term electrical contact\u003c\/li\u003e\n  \u003cli\u003eFlexible construction minimizes stress on connectors during towing\u003c\/li\u003e\n  \u003cli\u003eLength helps prevent accidental strain or unplugging under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and trailer systems work with this 7-way extension?\u003c\/h3\u003e\n\u003cp\u003eThe Nilight 7-way round inline cord is compatible with standard 7-pin trailer systems found on RVs, horse trailers, utility trailers, food vans and many tow vehicles. It carries all common circuits: running lights, brake, turn signals, reverse and auxiliary power.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits RVs, campers, caravans, trailers, and tow vehicles using 7-pin connectors\u003c\/li\u003e\n  \u003cli\u003eSupports tail, brake, turn, reverse and auxiliary electrical functions\u003c\/li\u003e\n  \u003cli\u003eIdeal for replacing worn plugs or extending factory harnesses\u003c\/li\u003e\n  \u003cli\u003eUniversal wiring colors for easy matching to vehicle\/trailer diagrams\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know before installing this extension?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward but requires basic wiring tools and attention to the wiring diagram. Confirm pin assignments on both vehicle and trailer, mount or protect the junction box properly, and secure the cord so it cannot drag or catch during travel.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow the included wiring diagram to match color codes and pin functions\u003c\/li\u003e\n  \u003cli\u003eUse proper connectors and a sealed junction box for lasting protection\u003c\/li\u003e\n  \u003cli\u003eCheck continuity and function before regular towing use\u003c\/li\u003e\n  \u003cli\u003eRoute and secure the cord away from sharp edges and moving parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Nilight 8FT Heavy Duty 7 Way RV Round Inline Trailer Plug Extension Cord is aimed at RV owners, trailer operators, fleet managers, and DIY mechanics who need a reliable, weather-resistant extension or replacement for a 7-pin trailer harness. It suits anyone who wants a quick on-vehicle solution with color-coded wiring and a durable jacket to simplify installation and reduce future maintenance.\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 7-way extension work with my RV and trailer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It follows standard 7-pin wiring used on most RVs and trailers; match colors to your vehicle's diagram before connecting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this myself or need a pro?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A competent DIYer with basic wiring tools can install it; use the included diagram and a sealed junction box for best results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nilight","offers":[{"title":"Default Title","offer_id":55167770132823,"sku":"B07X96SWZD","price":59.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/nilight-7-way-plug-front-view.jpg?v=1790393320","url":"https:\/\/britishgarage.co.uk\/products\/nilight-7-way-round-trailer-extension-cord-8ft-heavy-duty-pvc-jacket-molded-copper-plug","provider":"British Garage","version":"1.0","type":"link"}