{"product_id":"gonice-25ft-4-pin-trailer-wiring-harness-kit-with-black-nylon-sleeve-y-split-for-durability","title":"Gonice 25ft 4-Pin Trailer Wiring Harness Kit with Black Nylon Sleeve, Y-Split for Durability","description":"\u003cp\u003e\u003cstrong\u003eGonice 25Ft 4-Pin Trailer Wiring Harness Kit is a ready-to-install Y-style 4-way flat trailer wiring set with a protective black nylon sleeve for long-lasting, weather-resistant connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis trailer wiring kit from Gonice supplies a complete 4-pin male flat lead that splits into a Y-harness along the trailer tongue, plus a dedicated ground lead, giving you the length and protections needed to rewire trailers, campers, boats, or utility trailers. Built with color-coded 18 AWG conductors and a black nylon protective sleeve, this kit aims to reduce corrosion and abrasion while keeping installation straightforward for DIYers and professionals alike.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness simplify trailer rewiring?\u003c\/h3\u003e\n\u003cp\u003eThe Gonice kit is preassembled as a Y-harness so you can route the main lead down both trailer sides without fabricating splits or splices. Color-coded wires and a standardized 4-way flat connector match common vehicle sockets to minimize guesswork.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes a 25-foot male 4-flat main cable for flexible routing.\u003c\/li\u003e\n  \u003cli\u003eY-split design reaches both left and right taillights from the tongue.\u003c\/li\u003e\n  \u003cli\u003eColor coding for quick identification of tail, turn, brake, and ground circuits.\u003c\/li\u003e\n  \u003cli\u003eBonded wiring reduces loose strands and simplifies splicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protective features prevent corrosion and wear?\u003c\/h3\u003e\n\u003cp\u003eThis harness combines quality conductor insulation with an outer nylon sleeve that shields the cables from chafing, UV, and moisture exposure. The sleeve helps keep connections cleaner longer and protects against road debris and abrasion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlack nylon braided sleeve resists abrasion and sunlight degradation.\u003c\/li\u003e\n  \u003cli\u003eInsulated 18 AWG conductors designed for automotive trailer use.\u003c\/li\u003e\n  \u003cli\u003eFactory-assembled plug reduces exposed wire and weak connection points.\u003c\/li\u003e\n  \u003cli\u003eMaterials selected for improved corrosion resistance around connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my vehicle and trailer setup?\u003c\/h3\u003e\n\u003cp\u003eThe Gonice harness uses the industry-standard 4-way flat plug, making it compatible with most trucks, SUVs, and towing vehicles equipped with a 4-pin socket. The 25-foot length and extra ground lead give room to route around frames and crossmembers on common trailer types.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard 4-pin flat male connector fits common 4-way flat sockets.\u003c\/li\u003e\n  \u003cli\u003e25 ft main lead accommodates longer tongues and larger trailers.\u003c\/li\u003e\n  \u003cli\u003e2.5 ft ground wire for secure chassis grounding attachment.\u003c\/li\u003e\n  \u003cli\u003eSuitable for campers, boats, snowmobile trailers, utility and cargo trailers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow straightforward is installation for non-professionals?\u003c\/h3\u003e\n\u003cp\u003eInstallation is intended to be accessible: the color-coded, bonded wires make matching existing trailer circuits simple, and the pre-formed Y-split removes the need to build a split yourself. Basic hand tools, wire connectors, and common splicing methods are all that’s required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eColor-coded wiring for easy identification and splicing.\u003c\/li\u003e\n  \u003cli\u003eBonded conductors help keep wires tidy during installation.\u003c\/li\u003e\n  \u003cli\u003ePre-assembled 4-flat plug avoids pin replacement or soldering at the socket.\u003c\/li\u003e\n  \u003cli\u003eCan be installed with crimp connectors, butt splices, or soldered joints per preference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Gonice 25Ft 4-Pin Trailer Wiring Harness Kit is aimed at trailer owners, DIY mechanics, and fleet managers who need a reliable, weather-resistant 4-way flat wiring solution. It’s a good match for anyone replacing a worn harness, upgrading trailer wiring for seasonal use, or outfitting campers, boats, and utility trailers where a durable sleeve and sufficient length improve routing and longevity. This kit does not include breakaway or trailer braking components and is intended for lighting and signal circuits only.\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 harness compatible with a 7-pin connector?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This kit uses a 4-way flat plug and is not compatible with 7-pin sockets without an adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I cut the harness to shorten it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. You can trim and re-splice as needed; reseal splices to protect against moisture and corrosion.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Gonice","offers":[{"title":"Default Title","offer_id":67592632959161,"sku":"B0D4HGT4Q1","price":60.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/gonice-front-connector-4-way-flat.jpg?v=1790566507","url":"https:\/\/redleafauto.ca\/products\/gonice-25ft-4-pin-trailer-wiring-harness-kit-with-black-nylon-sleeve-y-split-for-durability","provider":"Redleaf Auto","version":"1.0","type":"link"}