{"product_id":"seamaka-26ft-trailer-wiring-harness-4-way-flat-5-wire-16awg-jacketed-cable-with-2-5ft-ground","title":"Seamaka 26FT Trailer Wiring Harness 4-Way Flat 5-Wire (16AWG) — Jacketed Cable with 2.5FT Ground","description":"\u003cp\u003e\u003cstrong\u003eThe Seamaka 26FT 4-Pin 5-Wire Trailer Wiring Harness is a jacketed, 16AWG 4-way flat cable with an extra ground lead built to rewire and restore trailer taillights, turn signals and brake lights.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty 26-foot harness combines a 4-way flat plug with five color-coded conductors and a separate 2.5-foot ground to simplify trailer rewiring on boats, RVs, horse trailers and utility trailers. The PVC-sheathed cable protects copper conductors for long service life and reliable electrical connection across harsh conditions. It’s designed for easy installation and compatibility with standard 4-way flat trailer sockets.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness make trailer wiring easier?\u003c\/h3\u003e\n\u003cp\u003eColor-coded conductors and a pre-assembled 4-way flat plug reduce guesswork and installation time. The separate ground lead gives a secure chassis connection without splicing into existing wiring, and the long 26-foot run helps route the cable neatly along frames or through conduits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e26-foot main cable plus 2.5-foot ground for flexible routing\u003c\/li\u003e\n  \u003cli\u003e4-way flat plug pre-attached for quick connection\u003c\/li\u003e\n  \u003cli\u003eColor-coded wires match standard trailer wiring conventions\u003c\/li\u003e\n  \u003cli\u003eLeather-thick PVC jacket resists abrasion and weather\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the cable durable enough for marine or off-road use?\u003c\/h3\u003e\n\u003cp\u003eThe harness uses copper conductors wrapped in a thick PVC outer sheath that resists moisture, salt spray and abrasion. The rated 16AWG conductors and insulation tolerate a wide temperature range, making the set suitable for marine, agricultural and outdoor trailering environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e16AWG copper wiring for reliable conductivity\u003c\/li\u003e\n  \u003cli\u003ePVC insulation withstands cold and heat (-22°F to 221°F range)\u003c\/li\u003e\n  \u003cli\u003eJacketed construction protects against chafing and exposure\u003c\/li\u003e\n  \u003cli\u003eRobust connectors designed for repeated mating cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and trailers is this wiring kit compatible with?\u003c\/h3\u003e\n\u003cp\u003eDesigned for any trailer system that uses a standard 4-way flat plug, the Seamaka harness fits utility trailers, boat trailers, RV tow vehicles, ATV haulers and horse trailers. It supplies power for tail, turn and brake lights while providing a reliable ground path via the separate lead.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with 4-way flat trailer sockets on trucks and tow vehicles\u003c\/li\u003e\n  \u003cli\u003eCommonly used on boat, utility, horse, ATV and cargo trailers\u003c\/li\u003e\n  \u003cli\u003eIdeal for replacing worn wiring or installing a new plug\u003c\/li\u003e\n  \u003cli\u003ePerfect when additional cable length is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for?\u003c\/p\u003e\n\u003cp\u003eThis harness is aimed at DIYers, fleet maintenance technicians and boat or RV owners who need a durable, ready-made 4-way wiring solution. If you’re rewiring a trailer lamp circuit, replacing a corroded plug, or extending existing wiring to a new connector location, the Seamaka 26FT 4-Pin 5-Wire Harness provides a straightforward, weather-resistant option that reduces installation time and improves electrical reliability.\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: Can I use this harness on a boat trailer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The PVC jacket and copper conductors resist moisture and salt exposure, making it suitable for most boat trailers using a 4-way flat plug.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include the ground wire?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The harness includes a 2.5-foot separate ground wire to attach to the trailer frame for improved grounding.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Seamaka","offers":[{"title":"Default Title","offer_id":48087106748574,"sku":"B0DJXFTBCK","price":33.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/seamaka-4-way-flat-plug-front.jpg?v=1785916606","url":"https:\/\/northtrailauto.ca\/products\/seamaka-26ft-trailer-wiring-harness-4-way-flat-5-wire-16awg-jacketed-cable-with-2-5ft-ground","provider":"North Trail Auto","version":"1.0","type":"link"}