{"product_id":"oyviny-4-pin-trailer-wiring-harness-for-toyota-highlander-lexus-rx-2008-2021-plug-and-play-pure-copper","title":"Oyviny 4-Pin Trailer Wiring Harness for Toyota Highlander \u0026 Lexus RX 2008-2021 — Plug-and-Play, Pure Copper","description":"\u003cp\u003e\u003cstrong\u003eThe Oyviny 56217 4-pin trailer wiring harness lets Highlander and compatible Lexus RX owners add a reliable trailer plug without cutting factory wiring.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis plug-and-play wiring kit is built to integrate with 2008–2019 Toyota Highlander models and 2020–2021 Lexus RX 350\/350L vehicles that lack a factory tow package. It includes a powered taillight converter and a 4-way flat connector wired with pure copper for consistent signal transfer. The assembly is housed in durable ABS components and protected by rubber dust covers and an inline fuse holder designed to reduce corrosion and electrical faults.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness connect to my vehicle?\u003c\/h3\u003e\n\u003cp\u003eInstallation is designed to be straightforward: the harness plugs directly into the vehicle’s existing taillight connector—no cutting or splicing required. The powered taillight converter ensures your trailer lights mirror your vehicle signals correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect plug-in to factory wiring harness\u003c\/li\u003e\n  \u003cli\u003eNo need to splice or modify vehicle wires\u003c\/li\u003e\n  \u003cli\u003eIncludes inline fuse holder for electrical protection\u003c\/li\u003e\n  \u003cli\u003e4-way flat connector fits standard trailers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with my Toyota Highlander or Lexus RX?\u003c\/h3\u003e\n\u003cp\u003eThe Oyviny 56217 is tailored for 2008–2019 Toyota Highlander models and 2020–2021 Lexus RX 350\/350L without a factory tow package. Confirm your model year and check that your vehicle’s factory connector matches the harness plug before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible: 2008–2019 Toyota Highlander\u003c\/li\u003e\n  \u003cli\u003eCompatible: 2020–2021 Lexus RX 350\/350L (without factory tow package)\u003c\/li\u003e\n  \u003cli\u003eNot required for vehicles already equipped with factory tow wiring\u003c\/li\u003e\n  \u003cli\u003eVerify connector shape and pin layout prior to installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and protections are included to ensure durability?\u003c\/h3\u003e\n\u003cp\u003eOyviny uses pure copper wiring for improved conductivity and an ABS plastic housing for impact and heat resistance. Rubber dust covers shield the 4-way flat connector and inline fuse from moisture and contaminants, helping prevent rust and short circuits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePure copper conductors for reliable signal transfer\u003c\/li\u003e\n  \u003cli\u003eHigh-strength ABS plastic housing\u003c\/li\u003e\n  \u003cli\u003eRubber dust covers for connector and fuse\u003c\/li\u003e\n  \u003cli\u003eInline fuse holder to guard against overcurrent\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat can I expect during everyday towing use?\u003c\/h3\u003e\n\u003cp\u003eThe powered converter maintains proper brake, turn and tail lamp operation when you attach a trailer, providing consistent signaling and safer towing. The 4-way flat connector supports standard trailer lighting functions without additional modules.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports brake lights, turn signals and tail lamps\u003c\/li\u003e\n  \u003cli\u003eMaintains stable signal integrity under regular towing loads\u003c\/li\u003e\n  \u003cli\u003eEasy access dust cover to keep connector clean between uses\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play simplifies attaching and detaching trailers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Oyviny 56217 harness is aimed at Highlander and compatible Lexus RX owners who want a clean, reversible towing wiring solution without altering factory wiring. It's ideal for weekend trailers, bike racks with lighting, small utility trailers, and anyone seeking a durable, easy-to-install 4-pin connection for standard lighting functions.\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 harness require cutting vehicle wires?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—this Oyviny harness plugs into the factory connector with no cutting or splicing required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the wiring compatible with Lexus RX 350 models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits 2020–2021 Lexus RX 350\/350L models that do not have a factory tow package.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Oyviny","offers":[{"title":"Default Title","offer_id":48086723788958,"sku":"B08N6FMFC3","price":54.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/oyviny-56217-front-connector-overview.jpg?v=1785903118","url":"https:\/\/northtrailauto.ca\/products\/oyviny-4-pin-trailer-wiring-harness-for-toyota-highlander-lexus-rx-2008-2021-plug-and-play-pure-copper","provider":"North Trail Auto","version":"1.0","type":"link"}