{"product_id":"oyviny-4-way-trailer-wiring-harness-56420-fits-hyundai-kia-2019-2024-plug-and-play-oem-tow-package","title":"Oyviny 4-Way Trailer Wiring Harness 56420 — Fits Hyundai \u0026 Kia 2019–2024, Plug-and-Play OEM Tow Package","description":"\u003cp\u003e\u003cstrong\u003eOyviny 4-Way Trailer Wiring Harness 56420 provides a factory-style 4-pin trailer connector that plugs into compatible Hyundai and Kia vehicles equipped with an OEM tow package, powering turn, tail and brake lights.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, ready-to-connect wiring kit is designed specifically for certain Hyundai and Kia models from recent years. It supplies a standard 4-pin plug that routes vehicle lighting signals to a trailer without cutting or splicing your factory wiring. Built with corrosion-resistant terminals, 16 AWG bonded wire and a protective rubber dust cover, the harness matches the OEM form and function so you can tow light trailers, cargo carriers or bike racks with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles does this harness fit?\u003c\/h3\u003e\n\u003cp\u003eThe Oyviny 56420 harness is tailored to several Hyundai and Kia models produced in specific year ranges. Always verify your vehicle already has the factory (OEM) tow package before ordering — this harness connects to that factory tow connector rather than adding new modules.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHyundai Santa Fe: 2019–2023\u003c\/li\u003e\n  \u003cli\u003eHyundai Palisade: 2020–2022\u003c\/li\u003e\n  \u003cli\u003eHyundai Santa Cruz: 2022–2024\u003c\/li\u003e\n  \u003cli\u003eHyundai Tucson: 2022–2024\u003c\/li\u003e\n  \u003cli\u003eKia Telluride: 2020–2022\u003c\/li\u003e\n  \u003cli\u003eKia Carnival: 2022–2024\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is installation?\u003c\/h3\u003e\n\u003cp\u003eInstallation is plug-and-play when your vehicle already has the OEM tow package connector. The harness was made to mate to factory sockets so no wire cutting, splicing, or additional adapters are required for compatible models.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect plug-in to the factory trailer connector\u003c\/li\u003e\n  \u003cli\u003eNo special tools or wire taps needed for standard installations\u003c\/li\u003e\n  \u003cli\u003eInstructions include an outline of where the factory connector is located\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and protection does the harness use?\u003c\/h3\u003e\n\u003cp\u003eOyviny built the 56420 harness with durable components to resist the elements and maintain electrical contact. The terminals are tin-plated brass for improved conductivity, while pure copper conductors reduce voltage drop and heat buildup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePure copper core wires for reliable signal transmission\u003c\/li\u003e\n  \u003cli\u003eTin-plated brass terminals to resist corrosion\u003c\/li\u003e\n  \u003cli\u003e16 AWG bonded wire construction for durability\u003c\/li\u003e\n  \u003cli\u003eRubber dust cover keeps terminals dry and clean\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat lighting functions does the 4-pin connection support?\u003c\/h3\u003e\n\u003cp\u003eThe standard 4-way connector provides the three essential lighting circuits required by most small trailers: running\/tail lights, left\/right turn signals and stop lights. It does not carry a separate brake controller or auxiliary power for charging batteries.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTail\/running lights\u003c\/li\u003e\n  \u003cli\u003eLeft turn \/ brake signal\u003c\/li\u003e\n  \u003cli\u003eRight turn \/ brake signal\u003c\/li\u003e\n  \u003cli\u003eSimple, widely used 4-pin industry standard plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Oyviny 4-Way Trailer Wiring Harness 56420 fits owners of compatible Hyundai or Kia SUVs and vans who already have the factory tow package and need a clean, OEM-matching 4-pin connector. It’s ideal for light towing tasks—trailers, small boat trailers, cargo carriers and bike racks—where a standard 4-way lighting connection is sufficient. Choose this harness if you want a factory-style, corrosion-resistant plug that installs fast and keeps your vehicle’s wiring intact.\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: Do I need the factory tow package to use this harness?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Oyviny 56420 plugs into an existing OEM tow connector—confirm your vehicle has the factory tow package before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this support a trailer brake controller?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This 4-way harness only supplies lighting circuits; a separate brake controller wiring or 7-pin adapter is required for electric trailer brakes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Oyviny","offers":[{"title":"Default Title","offer_id":48083879559326,"sku":"B0BDFSB9QQ","price":69.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/oyviny-front-connector-overview_9a2a8367-8cec-4cba-8d7e-46d461d8054f.jpg?v=1785838291","url":"https:\/\/northtrailauto.ca\/products\/oyviny-4-way-trailer-wiring-harness-56420-fits-hyundai-kia-2019-2024-plug-and-play-oem-tow-package","provider":"North Trail Auto","version":"1.0","type":"link"}