{"product_id":"nilight-7-way-inline-trailer-plug-with-7-gang-junction-box-16-ft-heavy-duty-harness-sealed-color-coded","title":"Nilight 7-Way Inline Trailer Plug with 7-Gang Junction Box — 16 ft Heavy-Duty Harness, Sealed \u0026 Color-Coded","description":"\u003cp\u003e\u003cstrong\u003eNilight Heavy Duty 7-way inline trailer plug with integrated 7-gang junction box is a rugged 16-foot trailer wiring harness that consolidates brake, turn, tail, reverse and auxiliary circuits into one sealed unit for simple, reliable connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, purpose-built harness streamlines trailer electrical hookups by combining a molded seven-blade plug and a color-coded junction box on a long, flexible cord. Designed for towing projects, utility trailers, RVs and work trailers, the assembly reduces clutter, improves organization, and guards contacts from moisture and dirt. The unit ships with multiple gasket options so you can tailor the enclosure sealing to your installation and environment.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness simplify trailer wiring?\u003c\/h3\u003e\n\u003cp\u003eThe Nilight harness brings all seven circuits into a single connection point so you can wire lights and auxiliary devices faster and with fewer splices. Color-marked poles reduce guesswork and the molded plug eliminates loose contacts that cause intermittent faults.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMolded 7-blade plug keeps pins aligned and protected\u003c\/li\u003e\n  \u003cli\u003eColor-coded 7-pole junction box for intuitive wiring\u003c\/li\u003e\n  \u003cli\u003eReduces separate wire runs and messy terminations\u003c\/li\u003e\n  \u003cli\u003eSupplied gaskets to tailor dust\/water protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it withstand outdoor use and harsh conditions?\u003c\/h3\u003e\n\u003cp\u003eThe junction box is engineered to resist moisture, dust and corrosion when fitted with the supplied gaskets. Rugged PVC sheathing on the cord and durable molded components help the harness endure road vibration, salt spray and general outdoor exposure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChoice of open or closed rubber gaskets for varied sealing needs\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant contacts sheltered inside the box\u003c\/li\u003e\n  \u003cli\u003eDurable PVC cable jacket resists abrasion and flex fatigue\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty construction for towing environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the length and wiring layout suitable for most trailers?\u003c\/h3\u003e\n\u003cp\u003eWith a 16-foot lead, the harness gives ample reach between tow vehicle and trailer junctions, reducing strain during turns and providing flexibility for different hitch and light placements. The seven circuits cover all common trailer functions including auxiliary power.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e16 ft cable length prevents tugging during tight turns\u003c\/li\u003e\n  \u003cli\u003eSeven circuits: tail, brake, left\/right turn, reverse, auxiliary\u003c\/li\u003e\n  \u003cli\u003eUniversal fit intended for standard 7-way systems\u003c\/li\u003e\n  \u003cli\u003eCompact box makes mounting and routing straightforward\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThe harness includes the molded 7-way plug with the attached junction box plus multiple gasket options to suit your mounting style. Installation is straightforward for anyone familiar with trailer wiring: mount the box, connect color-coded wires to your lights or circuits, and secure the plug to the tow vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Nilight 7-way trailer plug with 7-gang junction box\u003c\/li\u003e\n  \u003cli\u003e4 open gaskets and 4 closed gaskets for sealing flexibility\u003c\/li\u003e\n  \u003cli\u003eColor-marked poles to speed up wire matching and hookup\u003c\/li\u003e\n  \u003cli\u003eUniversal design fits typical 7-way vehicle sockets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? If you tow trailers frequently, maintain fleet vehicles, or build custom trailers and need a dependable, tidy wiring solution, this Nilight 7-way inline plug and junction box offers a weather-resistant, easy-to-install way to centralize trailer wiring. It’s particularly useful for DIY installers, mechanics, and fleet operators who prioritize durability, clean routing, and fast diagnostics.\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 the junction box keep out water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — using the supplied open or closed rubber gaskets creates a water-resistant seal to protect contacts from moisture and dust.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this compatible with standard 7-way vehicle sockets?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the molded 7-blade plug is designed for universal 7-way connections used on most tow vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nilight","offers":[{"title":"Default Title","offer_id":48081071702174,"sku":"B06XKNKHG9","price":69.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/nilight-front-view-molded-plug.jpg?v=1785795937","url":"https:\/\/northtrailauto.ca\/products\/nilight-7-way-inline-trailer-plug-with-7-gang-junction-box-16-ft-heavy-duty-harness-sealed-color-coded","provider":"North Trail Auto","version":"1.0","type":"link"}