{"product_id":"jetuplusllc-7-way-trailer-tow-harness-kit-uscar-style-7-blade-4-pin-weather-sealed-with-brass-terminals","title":"Jetuplusllc 7-Way Trailer Tow Harness Kit – USCAR-Style 7-Blade + 4-Pin, Weather-Sealed with Brass Terminals","description":"\u003cp\u003e\u003cstrong\u003eJetuplusllc's 7 Way Trailer Tow Hitch Connector Receptacle Harness Installation Kit provides a factory-style, weather-sealed 7-way and 4-pin wiring solution to power lights, brakes, auxiliary battery, and ground for trailers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete wiring installation kit is designed as a custom-fit replacement for vehicles equipped with USCAR-style tow harnesses. It combines a 7-blade and 4-flat connector in one compact assembly, uses color-coded wiring for straightforward hookups, and mounts neatly to a universal bumper bracket. Corrosion-resistant brass terminals and a weather seal on the receptacle help maintain reliable electrical contact in wet or salty conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit connect to my vehicle and trailer?\u003c\/h3\u003e\n\u003cp\u003eThe harness taps into an existing USCAR plug or factory tow harness and routes the circuits to the supplied 7-way blade and 4-pin flat receptacles. Color-coded wires match standard trailer wiring functions so you can identify and connect each circuit quickly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlugs into USCAR-style factory tow harness for a near OEM fit.\u003c\/li\u003e\n  \u003cli\u003eProvides dedicated circuits for tail, turn, stop, reverse, battery, and brake lines.\u003c\/li\u003e\n  \u003cli\u003eIncludes ground lead and sealed receptacle for secure connection.\u003c\/li\u003e\n  \u003cli\u003eUniversal bracket mounts to most rear bumpers for tidy installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat electrical functions are supported by the 7-way and 4-pin connectors?\u003c\/h3\u003e\n\u003cp\u003eThe combined 7-way (blade) and 4-pin (flat) connectors supply the full range of basic towing circuits plus an auxiliary power feed. Use the 7-way for electric trailer brakes and auxiliary battery power, and the 4-pin for standard lighting when needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e7-way supplies brake controller output, auxiliary battery, reverse, and ground.\u003c\/li\u003e\n  \u003cli\u003e4-pin flat covers stop, tail, and turn signal lighting circuits.\u003c\/li\u003e\n  \u003cli\u003eColor-coded leads correspond to typical trailer wiring conventions for troubleshooting.\u003c\/li\u003e\n  \u003cli\u003eBrass terminals improve conductivity and resist corrosion over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and what hardware is included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is designed to be straightforward for technicians and DIYers familiar with trailer wiring. The kit uses a universal bumper-mounted bracket so you won't need custom fabrication; typical installations require basic hand tools and standard wiring connectors or soldering supplies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUniversal bracket included for rear bumper mounting; hardware compatibility with most trucks.\u003c\/li\u003e\n  \u003cli\u003ePre-wired color-coded harness reduces guesswork during hookup.\u003c\/li\u003e\n  \u003cli\u003eWeather-sealed receptacle and brass terminals minimize future maintenance.\u003c\/li\u003e\n  \u003cli\u003eMay require crimp connectors, heat shrink, or dielectric grease for long-life joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this harness fit my vehicle make and tow package?\u003c\/h3\u003e\n\u003cp\u003eThe harness is built as a universal multi-tow solution intended to work with Chevrolet\/GM, Toyota, Ford, and Dodge vehicles that have a compatible tow harness or USCAR-style plug. Always verify your vehicle's connector type and wiring layout before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCustom-fit replacement for vehicles using USCAR tow harnesses.\u003c\/li\u003e\n  \u003cli\u003eCompatible with common GM, Ford, Toyota, and Dodge tow configurations.\u003c\/li\u003e\n  \u003cli\u003eCheck vehicle wiring diagrams or factory plug shape to confirm match.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation recommended if vehicle wiring requires splicing or modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This Jetuplusllc harness installation kit is aimed at vehicle owners, fleet technicians, and trailer haulers who need a durable, weather-resistant, and nearly factory-style towing connector. It's ideal for drivers upgrading or replacing worn trailer connectors, adding a multi-function tow receptacle to a truck, or converting between 7-way and 4-pin trailer standards while keeping wiring tidy and secure.\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 kit include a mounting bracket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—includes a universal bumper-mounted bracket for tidy rear installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use the 7-way for electric trailer brakes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—the 7-way provides a brake controller output and auxiliary circuits for brakes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Jetuplusllc","offers":[{"title":"Default Title","offer_id":48080867393694,"sku":"B0D7M5FDCF","price":66.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/jetuplusllc-front-view-receptacle-and-bracket.jpg?v=1785791207","url":"https:\/\/northtrailauto.ca\/products\/jetuplusllc-7-way-trailer-tow-harness-kit-uscar-style-7-blade-4-pin-weather-sealed-with-brass-terminals","provider":"North Trail Auto","version":"1.0","type":"link"}