{"product_id":"deluwire-3ft-7-pin-trailer-wiring-harness-double-prong-terminals-waterproof-pvc-jacket","title":"Deluwire 3FT 7-Pin Trailer Wiring Harness — Double-Prong Terminals, Waterproof PVC Jacket","description":"\u003cstrong\u003eDeluwire 3FT 7-Pin Trailer Wiring Harness with double-prong terminals provides secure electrical connections for taillights, turn signals, brake lights and electric brakes on trailers and RVs.\u003c\/strong\u003e\n\n\u003cp\u003eThis compact, 3-foot harness is built to simplify trailer hookups without rewiring: it delivers standardized RV color-coded wiring, heavier-gauge conductors where needed, and a rugged PVC jacket that resists water and corrosion. Designed for use with five-wheel, gooseneck and bumper-mounted trailers, the harness pairs vehicle output to trailer functions while improving contact reliability through dual-pin terminals.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness improve connection reliability?\u003c\/h3\u003e\n\u003cp\u003eThe Deluwire harness replaces single-pin designs with double prongs that provide a firmer mechanical fit and better electrical contact. That reduces intermittent signals and ensures steadier current flow for lights and brakes under vibration and load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-prong terminals for enhanced contact stability\u003c\/li\u003e\n  \u003cli\u003e2\/10 + 1\/12 + 4\/14 gauge conductor arrangement for appropriate current capacity\u003c\/li\u003e\n  \u003cli\u003eColor-coded RV-standard wires for straightforward splicing and identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it resist weather and corrosion in outdoor use?\u003c\/h3\u003e\n\u003cp\u003eYes — the harness is sheathed in a kink-free PVC jacket that sheds moisture and guards the conductors from road grime and salt. The materials and construction are chosen to extend service life in trailer and boat applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWaterproof jacket prevents moisture ingress\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant materials for longer-term reliability\u003c\/li\u003e\n  \u003cli\u003eKink-free design maintains wire integrity during movement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this harness compatible with my trailer or vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe harness follows standard RV 7-pin color coding and fits the majority of trailers, RVs and trucks that use the common 7-way configuration. Because connector designs and wiring assignments can vary between manufacturers, confirm compatibility with your trailer’s wiring before installation to avoid mismatches.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard 7-pin RV wiring colors for easy matching\u003c\/li\u003e\n  \u003cli\u003e3-foot length designed for bumper and bed-mounted hook-ups\u003c\/li\u003e\n  \u003cli\u003eSimple splicing recommended when adapters or custom fits are needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install it and what should I check first?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically a matter of matching the color-coded wires and securing the double-prong plug into the vehicle’s 7-way receptacle. Before cutting or splicing, test your vehicle’s outputs with a trailer light tester and verify that each wire corresponds to the correct function.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTest vehicle outputs before connecting\u003c\/li\u003e\n  \u003cli\u003eMatch RV-standard colors for tail, brake, turn, reverse and brake power\u003c\/li\u003e\n  \u003cli\u003eUse proper connectors and waterproof seals for splices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this harness is for: The Deluwire 3FT 7-Pin Trailer Wiring Harness is aimed at trailer owners, RV enthusiasts, boat haulers and pickup drivers who need a short, dependable 7-way connection without a full rewire. It’s especially useful for five-wheel and gooseneck trailers and for anyone who prefers the added contact security of double-prong terminals and the protection of a waterproof PVC jacket. If you’re unsure about fitment, verify wiring assignments or consult an installer to ensure a correct match before purchase.\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 the Deluwire 7-pin harness waterproof?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The harness uses a kink-free PVC jacket that resists water and corrosion for outdoor use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this fit all 7-way trailer connectors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It uses standard RV 7-pin color coding and fits most trailers, but verify wiring assignments before installing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Deluwire","offers":[{"title":"Default Title","offer_id":67592081473721,"sku":"B0FY2TXCHL","price":56.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/deluwire-front-plug_3e90f4e2-3240-4b84-91d5-4f315812e3ce.jpg?v=1790561627","url":"https:\/\/redleafauto.ca\/products\/deluwire-3ft-7-pin-trailer-wiring-harness-double-prong-terminals-waterproof-pvc-jacket","provider":"Redleaf Auto","version":"1.0","type":"link"}