{"product_id":"26ft-trailer-wiring-harness-kit","title":"26FT Trailer Wiring Harness Kit","description":"\u003cp\u003e\u003cstrong\u003eThe WALSIO 26FT 4 Pin 5 Wire Trailer Wiring Harness Kit is a long Y-style trailer wiring set that supplies color-coded, weatherproof connections for 4-way flat trailer sockets.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you are replacing a worn connector on a boat trailer or rewiring an ATV trailer, this harness gives you the reach and durable components needed for reliable lighting and ground connections. Built from 18 AWG pure copper conductors, thick PVC insulation and an outer braided nylon sleeve, the kit is engineered to resist corrosion, abrasion and outdoor exposure while keeping installation straightforward for DIYers and pros alike.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness simplify trailer wiring on larger trailers?\u003c\/h3\u003e\n\n\u003cp\u003eThe 26-foot overall length plus a separate 2.5-foot ground lead provide extra slack so you can route wires without stretching or splicing across axles. The Y-shaped design splits closer to the trailer front, eliminating the common need to run a wire across the axle and reducing potential abrasion points.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFull 26 ft cable length for flexible routing along frame rails.\u003c\/li\u003e\n\u003cli\u003e2.5 ft dedicated ground lead for secure chassis grounding.\u003c\/li\u003e\n\u003cli\u003eY-harness layout avoids running wires over the axle, improving longevity.\u003c\/li\u003e\n\u003cli\u003eWorks on trailers both under and over 80 inches wide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction ensure long-term outdoor use?\u003c\/h3\u003e\n\n\u003cp\u003eThe harness uses 18 AWG pure copper conductors for consistent conductivity and minimal voltage drop. Each conductor is encased in thick PVC insulation, while the outer jacket is reinforced with black braided nylon mesh to protect against cuts, heat and UV.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e18 AWG pure copper wire for reliable current flow.\u003c\/li\u003e\n\u003cli\u003eThick PVC insulation to resist moisture and abrasion.\u003c\/li\u003e\n\u003cli\u003eBlack braided nylon outer sleeve for extra mechanical protection.\u003c\/li\u003e\n\u003cli\u003eSealed plug covers to keep water and dust out of the connector.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation for someone with limited wiring experience?\u003c\/h3\u003e\n\n\u003cp\u003eColor-coded conductors match industry-standard 4-way flat wiring, so you can quickly identify tail, turn, stop and ground circuits without guesswork. The kit includes a male 4-way flat plug compatible with most trailers, making direct replacement straightforward and minimizing the need for additional adapters.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eStandard color coding for quick identification of each circuit.\u003c\/li\u003e\n\u003cli\u003eMale 4-way flat plug designed to replace worn connectors directly.\u003c\/li\u003e\n\u003cli\u003ePre-assembled Y-split reduces on-trailer splicing and complexity.\u003c\/li\u003e\n\u003cli\u003eClear routing options thanks to generous cable length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat trailer types and situations is this harness best suited for?\u003c\/h3\u003e\n\n\u003cp\u003eThis 5-wire kit is versatile across many trailer applications, especially when longer runs or a separate ground lead are required. It’s suitable for small utility trailers, boat trailers, ATV haulers, horse trailers and other 4-way flat systems that need a robust replacement harness.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eBoat trailers and marine use where corrosion resistance is important.\u003c\/li\u003e\n\u003cli\u003eATV and utility trailers needing longer wire runs.\u003c\/li\u003e\n\u003cli\u003eHorse trailers and wider trailers up to and beyond 80 inches.\u003c\/li\u003e\n\u003cli\u003eReplacement for damaged or frayed 4-way flat connector assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The WALSIO 26FT 4 Pin 5 Wire Trailer Wiring Harness is intended for vehicle owners, fleet managers and trailer DIYers who need a durable, long-reach replacement or upgrade for 4-way flat systems. It’s a good fit when you want an easier routing layout (Y-split), weather-resistant construction and the convenience of color-coded wiring to speed installation. If you tow frequently, run trailers in wet or abrasive conditions, or are rewiring a larger trailer where extra length matters, this harness provides a practical, easy-to-install solution.\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 4-pin harness compatible with standard 4-way flat trailer sockets?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The male 4-way flat plug matches industry-standard 4-way sockets for direct replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the harness withstand outdoor and marine conditions?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It uses 18 AWG copper, thick PVC insulation and a braided nylon sleeve for weather resistance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WALSIO","offers":[{"title":"Default Title","offer_id":48087672160414,"sku":"B0DBG6YGMN","price":39.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/walsio-front-connector-view.jpg?v=1785928360","url":"https:\/\/northtrailauto.ca\/products\/26ft-trailer-wiring-harness-kit","provider":"North Trail Auto","version":"1.0","type":"link"}