{"product_id":"oyviny-4-pin-to-7-way-round-blade-trailer-adapter","title":"Oyviny 4-Pin to 7-Way Round Blade Trailer Adapter","description":"\u003cp\u003e\u003cstrong\u003eThe Oyviny 4-pin to 7-way round blade trailer adapter quickly converts a vehicle's 4-way flat output into a factory-style 7-way blade plug with a mounting bracket for secure towing connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you tow trailers, campers, or utility gear with a vehicle that only has a 4-way flat connector, this adapter bridges the wiring gap so you can power trailer lights, brakes, and auxiliary circuits that require a 7-way blade socket. Built with 16 AWG copper conductors, tin-plated brass contacts, protective dust covers, and a bracket for fixed mounting, the kit is designed for everyday towing tasks and garages where a dependable, tidy connector is needed.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this adapter make trailer hookups easier?\u003c\/h3\u003e\n\u003cp\u003eThe Oyviny adapter eliminates the need for rewiring or replacing sockets by converting the vehicle-side 4-flat to a 7-blade trailer-side plug. Its integrated wiring harness maintains correct signal routing and the included mounting bracket keeps the adapter ready and accessible.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlugs directly into a 4-way flat vehicle socket to provide a standard 7-way blade output.\u003c\/li\u003e\n  \u003cli\u003e7-inch lead between connectors gives room for flexible placement and routing.\u003c\/li\u003e\n  \u003cli\u003eMounting bracket, screws, and nuts allow stable attachment to hitch or bumper.\u003c\/li\u003e\n  \u003cli\u003eBlack wire loom organizes wires and reduces abrasion in daily use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it withstand outdoor conditions and regular towing?\u003c\/h3\u003e\n\u003cp\u003eThe adapter uses heavy-duty plastic housings, tin-plated brass terminals and 16 AWG copper wiring to balance corrosion resistance with electrical reliability. Spring-loaded dust covers for both the 4-flat and 7-blade ends keep moisture and debris out when not in use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTin-plated brass pins resist oxidation for better conductivity over time.\u003c\/li\u003e\n  \u003cli\u003eDurable plastic shell protects internals from impacts and vibration.\u003c\/li\u003e\n  \u003cli\u003eDust caps prevent grit build-up and help extend connector life.\u003c\/li\u003e\n  \u003cli\u003eWrapped wire loom shields wires from chafing on the bracket or trailer frame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation and wiring straightforward for non-professionals?\u003c\/h3\u003e\n\u003cp\u003eYes — the adapter is pre-wired and labeled for standard 4- to 7-way conversion, so no special tools or splicing are required for typical installations. The included mounting hardware allows a simple bolted attachment; just position the bracket, tighten the fasteners, and plug into the vehicle socket.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-assembled harness reduces installation time and errors.\u003c\/li\u003e\n  \u003cli\u003eSix screws and nuts provided for secure, adjustable mounting.\u003c\/li\u003e\n  \u003cli\u003e7\" wire lead simplifies routing to common hitch locations.\u003c\/li\u003e\n  \u003cli\u003eClear wire jacketing and loom make visual inspections easier.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat trailers and vehicles is this compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe Oyviny adapter works with any vehicle that has a standard 4-way flat outlet and trailers or accessories that expect a 7-way blade socket. It’s suitable for light- to medium-duty towing tasks where the 7-way pin layout is required for auxiliary power or brake controller circuits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with many RVs, boats, ATVs, utility trailers, and campers.\u003c\/li\u003e\n  \u003cli\u003eFits vehicles from Chevrolet, Ford, Dodge\/RAM, Toyota, GMC, and other manufacturers with a 4-flat output.\u003c\/li\u003e\n  \u003cli\u003eAccepts factory OEM 7-way plugs on trailers without modification.\u003c\/li\u003e\n  \u003cli\u003eUseful for adding 7-way capability to factory tow packages.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Oyviny 4-pin to 7-way adapter is ideal for DIY tow-vehicle owners, RV and boat owners who occasionally need 7-way connections, fleet operators seeking a reliable spare adapter, and anyone who wants a neat, mounted solution rather than a loose plug dangling from the hitch. It’s designed for people who value straightforward installation, corrosion-resistant contacts, and the convenience of protective dust covers to keep towing gear ready when needed.\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 this adapter power trailer brakes and auxiliary circuits?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it provides the standard 7-way blade outputs needed for lights and auxiliary circuits; check your vehicle’s 4-way wiring supports the desired functions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to splice or rewire to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No splicing is required; the harness is pre-wired and includes a mounting bracket and hardware for bolt-on installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Oyviny","offers":[{"title":"Default Title","offer_id":48087204003998,"sku":"B0CQCXLM3N","price":36.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/oyviny-front-view-adapter-mounted.jpg?v=1785918853","url":"https:\/\/northtrailauto.ca\/products\/oyviny-4-pin-to-7-way-round-blade-trailer-adapter","provider":"North Trail Auto","version":"1.0","type":"link"}