{"product_id":"partswcgg-led-trailer-light-kit-12v-with-25ft-wiring-harness-submersible-complete-tail-marker-kit","title":"Partswcgg LED Trailer Light Kit 12V with 25ft Wiring Harness — Submersible, Complete Tail \u0026 Marker Kit","description":"\u003cp\u003e\u003cstrong\u003ePartswcgg's 12V LED Utility Trailer Tail Light Wire Kit is a complete, submersible lighting solution that includes tail lights, marker lights, multiple LED light bars, a 25-ft wiring harness and mounting hardware for immediate trailer upgrade.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one kit supplies the essentials to replace or upgrade lighting on utility, boat, equipment or cargo trailers. Components are fully sealed for submersion, use polycarbonate lenses and stainless steel bases where noted, and the included 25-foot harness with a 4-flat plug gives ample reach to most tow vehicles. The set covers running lights, stop\/turn\/brake functions, clearance and side markers, a third brake bar, license plate illumination and mounting accessories so you can finish installation in a single job.\u003c\/p\u003e\n\n\u003ch3\u003eWhat items are included in the kit and why does that matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit bundles multiple lamp types so you won’t need separate purchases. Having matched LEDs and hardware simplifies wiring, ensures consistent brightness, and keeps the trailer compliant with common lighting requirements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2 square rear combination tail lights (stop\/turn\/tail)\u003c\/li\u003e\n  \u003cli\u003e6 mini oval side fender marker lights (2 red, 4 amber)\u003c\/li\u003e\n  \u003cli\u003e2 × 15\" trailer 3rd brake tail light bars for left and right signaling\u003c\/li\u003e\n  \u003cli\u003e1 × 14.17\" 3-light red clearance\/ID marker bar\u003c\/li\u003e\n  \u003cli\u003e25-foot wiring harness with 4-flat plug, license plate bracket, mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow reliable and weatherproof are these LED lights?\u003c\/h3\u003e\n\u003cp\u003eAll lamps in the kit are submersible and fully sealed, preventing water ingress that damages circuitry. Lenses are polycarbonate and key mounting parts use stainless steel for corrosion resistance on boat trailers and in wet conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFully sealed housings protect internal LEDs and wiring\u003c\/li\u003e\n  \u003cli\u003ePolycarbonate lenses resist impacts and UV fading\u003c\/li\u003e\n  \u003cli\u003eStainless steel base on the ID marker bar reduces rust\u003c\/li\u003e\n  \u003cli\u003eDesigned for surface mounting and marine exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I wire the lights correctly for stop, tail and running functions?\u003c\/h3\u003e\n\u003cp\u003eThe kit uses color-coded leads to separate functions; follow the wiring scheme to ensure lights operate as intended. Ground wires and brightness-specific leads control whether LEDs act as running lights or full-bright brake\/turn signals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSquare tail lights: white = ground, yellow = brake\/high brightness, brown = running\/low brightness\u003c\/li\u003e\n  \u003cli\u003e15\" LED tail light bars: white = ground, red = brake\/stop\/turn high brightness, black = running\/low brightness\u003c\/li\u003e\n  \u003cli\u003eMini side marker lights: white = ground, black = positive\u003c\/li\u003e\n  \u003cli\u003e25-ft harness with 4-flat plug connects to vehicle towing socket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit fit wider trailers and where do the ID lights mount?\u003c\/h3\u003e\n\u003cp\u003eThe 14.17\" ID marker bar is intended for trailers wider than 80 inches and mounts on the trailer surface. It contains three red LEDs per marker cluster (nine total) and uses the mounting hardware as the ground path for a clean installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e14-1\/3\" long ID bar with three 3-LED markers (total 9 LEDs)\u003c\/li\u003e\n  \u003cli\u003eSurface-mount design for easy placement on rear header or frame\u003c\/li\u003e\n  \u003cli\u003eSingle lead wire for power; grounds through mounting screws\u003c\/li\u003e\n  \u003cli\u003eRed lens and red LEDs for visibility and regulation compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this kit is for: DIYers, fleet owners, boaters and contractors who need a comprehensive, waterproof trailer lighting upgrade in one purchase. If you want consistent LED brightness, corrosion-resistant parts for wet environments, and a long harness to reach the tow vehicle, this kit offers a plug-and-play bundle with detailed wiring guidance to finish the job quickly.\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 kit waterproof for boat trailer use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. All lamps are fully sealed and submersible to prevent water damage in marine conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the harness reach the tow vehicle plug?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The included 25-foot wiring harness with a 4-flat plug provides sufficient length for most trailer setups.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Partswcgg","offers":[{"title":"Default Title","offer_id":48084168016030,"sku":"B0DYJS1BSW","price":79.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/partswcgg-front-packaging-and-contents.jpg?v=1785848142","url":"https:\/\/northtrailauto.ca\/products\/partswcgg-led-trailer-light-kit-12v-with-25ft-wiring-harness-submersible-complete-tail-marker-kit","provider":"North Trail Auto","version":"1.0","type":"link"}