{"product_id":"oyviny-4-pin-trailer-wiring-harness-56325-for-gmc-acadia-cadillac-xt5-xt6-77-plug-and-play-4-flat-with-dust-cover","title":"Oyviny 4-Pin Trailer Wiring Harness 56325 for GMC Acadia\/Cadillac XT5 XT6 — 77\" Plug-and-Play 4-Flat with Dust Cover","description":"\u003cp\u003e\u003cstrong\u003eThe Oyviny Custom 4 Pin Trailer Wiring Harness 56325 is a plug-and-play trailer connector that adds a weather-resistant 4-flat outlet to compatible GMC, Cadillac, Chevy and Buick SUVs without cutting or splicing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need a reliable, vehicle-specific 4-way trailer connection for towing lights and turn signals, this harness is built to mate with the factory tow package on select model years of GMC Acadia, Cadillac XT5\/XT6, Chevy Blazer and Buick Envision. It provides a full-size 4-flat plug, 77 inches of heavy-duty wiring, tin-plated copper terminals and a protective dust cover so you can tow trailers, bike racks, or cargo carriers with a standardized signal hookup.\u003c\/p\u003e\n\n\u003ch3\u003eWill this harness fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe Oyviny 56325 harness is designed as a direct fit for specific model years and plugs into the OEM tow wiring harness without modification. Confirm compatibility by checking your vehicle’s model year and the presence of the factory tow package plug under the rear bumper.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: GMC Acadia 2017–2023, Cadillac XT5 2017–2025, Cadillac XT6 2020–2025\u003c\/li\u003e\n  \u003cli\u003eAlso fits: Chevy Blazer 2019–2025, Buick Envision 2021–2025\u003c\/li\u003e\n  \u003cli\u003eNo cutting or splicing: installs into the vehicle’s original connector\u003c\/li\u003e\n  \u003cli\u003eDesigned for vehicles with an OEM tow harness receptacle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the Oyviny 4-way connector?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: locate the factory tow harness behind the rear bumper, unplug the vehicle’s connector, and mate the Oyviny harness to that OEM plug. The harness comes ready to plug in, so you won’t need special tools or wire taps for most installations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReady-to-plug harness — no cutting, splicing, or wire stripping required\u003c\/li\u003e\n  \u003cli\u003e77-inch lead gives room to route and secure wiring behind trim panels\u003c\/li\u003e\n  \u003cli\u003eDust cover helps keep the socket clean when not connected to a trailer\u003c\/li\u003e\n  \u003cli\u003eSimple reversing of steps restores the factory harness if removed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the construction and performance features?\u003c\/h3\u003e\n\u003cp\u003eThis harness uses 16 AWG bonded pure copper conductors for dependable signal transmission and low resistance. The 4-flat plug and terminals are tin-plated to resist corrosion, and the connector has a rubber dust cap to shield contacts from moisture and dirt when the trailer isn’t connected.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e16 AWG bonded pure copper wires for robust conductivity\u003c\/li\u003e\n  \u003cli\u003eTin-plated copper terminals reduce corrosion and improve longevity\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant 4-flat connector with rubber dust cover\u003c\/li\u003e\n  \u003cli\u003e77\" cable length provides flexibility for routing and mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat can I expect when using this harness with my trailer?\u003c\/h3\u003e\n\u003cp\u003eThe Oyviny 4-way provides the standard trailer lighting circuits: running lights, left and right turn signals, and brake lights. It’s intended for signal connections only and works with a wide range of trailers that use the 4-flat standard.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports tail lights, brake lights and turn signals on 4-flat trailers\u003c\/li\u003e\n  \u003cli\u003eCompatible with most light-duty trailers, cargo carriers, and bike racks\u003c\/li\u003e\n  \u003cli\u003eNot a braking control or power feed — for signal circuits only\u003c\/li\u003e\n  \u003cli\u003eEasy to inspect and disconnect thanks to the standard flat plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Oyviny 56325 harness is aimed at owners of compatible GMC, Cadillac, Chevy and Buick SUVs who want a clean, factory-style 4-way trailer outlet without modifying factory wiring. It's ideal for weekend trailers, light towing tasks, and anyone seeking a durable, plug-and-play solution that preserves OEM wiring integrity.\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 require cutting factory wires?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — the Oyviny 56325 plugs into the OEM tow harness without cutting or splicing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which trailer functions does the 4-pin support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It provides running lights, left and right turn signals, and brake light signals only.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Oyviny","offers":[{"title":"Default Title","offer_id":48084533444766,"sku":"B09QKCD96L","price":30.63,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/oyviny-front-plug-connector.jpg?v=1785858800","url":"https:\/\/northtrailauto.ca\/products\/oyviny-4-pin-trailer-wiring-harness-56325-for-gmc-acadia-cadillac-xt5-xt6-77-plug-and-play-4-flat-with-dust-cover","provider":"North Trail Auto","version":"1.0","type":"link"}