{"product_id":"oyviny-4-pin-5-wire-trailer-wiring-harness-22ft-trailer","title":"Oyviny 4 Pin 5 Wire Trailer Wiring Harness 22FT,Trailer","description":"\u003cp\u003e\u003cstrong\u003eOyviny's 22ft 4-pin 5-wire trailer wiring harness is a ready-to-install replacement that routes power to both taillights via a Y-split design for reliable signal, brake and running lights.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your trailer lights are dim, intermittent or the factory harness is damaged, this Oyviny harness provides a complete 4-way flat plug solution built for routine trailer maintenance and rewiring. It uses 18AWG pure copper conductors inside a durable PVC jacket, with color-coded and pre-stripped pigtails to speed up splicing and reduce installation mistakes. The extra wire and split layout eliminate the need to run a ground or signal wire across the axle, simplifying upgrades on utility, boat, ATV and UTV trailers.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Y-split design simplify trailer rewiring?\u003c\/h3\u003e\n\u003cp\u003eThe Y-split separates the harness into dedicated left and right taillight runs, so you can install lights on each side without stretching a single wire across the undercarriage. This setup lowers the risk of chafing and improves serviceability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo distinct wire runs to reach both taillights easily\u003c\/li\u003e\n  \u003cli\u003eReduces wiring across the axle and potential damage points\u003c\/li\u003e\n  \u003cli\u003eMakes future replacements or diagnostics faster\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and build features ensure long-term performance?\u003c\/h3\u003e\n\u003cp\u003eThis harness uses 18AWG pure copper conductors for solid electrical conductivity and a thick PVC jacket to protect against abrasion, UV exposure and moisture. The connector has anti-slip tabs and a rubber dust cap to keep corrosion out when not connected.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e18AWG pure copper for stable signal and low resistance\u003c\/li\u003e\n  \u003cli\u003eDurable PVC jacket resists wear and weathering\u003c\/li\u003e\n  \u003cli\u003eErgonomic anti-slip tabs and a dust cover for protection and easier handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the harness easy to install for a DIYer?\u003c\/h3\u003e\n\u003cp\u003eYes—wires are color-coded to match standard trailer functions and come with pre-stripped pigtails to speed splicing into your trailer's existing wiring. At 22 feet, the harness provides generous length to route along frame rails and reach lights on most small-to-medium trailers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eColor-coded wires for left\/right turn, brake and running lights\u003c\/li\u003e\n  \u003cli\u003ePre-stripped ends reduce prep time and improve connection consistency\u003c\/li\u003e\n  \u003cli\u003e22ft length fits common trailer sizes without extensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with my trailer's 4-way flat connector?\u003c\/h3\u003e\n\u003cp\u003eThe harness uses a standard 4-pin flat plug that is compatible with most vehicle and trailer 4-way connectors. It is designed for general-purpose trailer lighting, including utility, boat, and ATV\/UTV trailers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard 4-pin flat plug fits typical vehicle receptacles\u003c\/li\u003e\n  \u003cli\u003eCompatible with common trailer lighting setups (running\/brake\/turn)\u003c\/li\u003e\n  \u003cli\u003eIdeal for replacing worn or corroded factory harnesses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Oyviny 4-pin 5-wire 22ft harness is aimed at owners and technicians who need a durable, easy-to-install wiring replacement for small-to-medium trailers. It's particularly useful for DIYers, boat owners, landscapers and anyone replacing frayed or undersized factory wiring who wants a neat, long-lasting solution with clear color coding and a split run to each taillight.\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 fit standard 4-pin flat connectors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It uses a standard 4-pin flat plug compatible with most vehicle and trailer 4-way receptacles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I splice this harness to my existing trailer wiring?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Wires are color-coded and pre-stripped for straightforward splicing into existing wiring.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Oyviny","offers":[{"title":"Default Title","offer_id":48087468310686,"sku":"B0F8HZN6Q5","price":36.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/oyviny-front-plug.jpg?v=1785924450","url":"https:\/\/northtrailauto.ca\/products\/oyviny-4-pin-5-wire-trailer-wiring-harness-22ft-trailer","provider":"North Trail Auto","version":"1.0","type":"link"}