{"product_id":"oyviny-brake-controller-wiring-adapter-3040-for-toyota-lexus-31-lead-4-pin-plug-plug-and-play","title":"Oyviny Brake Controller Wiring Adapter 3040 for Toyota \u0026 Lexus (31\" lead) — 4‑Pin Plug, Plug‑and‑Play","description":"\u003cp\u003e\u003cstrong\u003eThe Oyviny Brake Controller Wiring Adapter 3040 is a ready-made 4‑pin harness that lets you connect an aftermarket electric brake controller to compatible Toyota and Lexus models without cutting or splicing wires.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, purpose-built adapter simplifies installing an electronic trailer brake controller on select Toyota Tundra, Tacoma, 4Runner, Sequoia, Land Cruiser and compatible Lexus GX\/LX models from model years roughly 2003–2022. It pairs a standard 4‑pin controller plug with a custom OEM-style connector that plugs into the vehicle's built-in dash port, saving time and reducing wiring errors. Constructed with durable materials and a 31‑inch lead, the harness gives enough reach and protection for tidy installations behind the dash.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this adapter save installation time and effort?\u003c\/h3\u003e\n\u003cp\u003eRather than splicing into your vehicle's brake circuit, the Oyviny 3040 harness plugs directly into the factory port beneath the dash and into your compatible brake controller. That eliminates routing, cutting, and crimping of vehicle wiring and keeps factory wiring intact for easier return-to-stock or resale.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play design — no wire cutting or splicing required\u003c\/li\u003e\n  \u003cli\u003eOne plug mates cleanly to the vehicle's OEM connector under the dash\u003c\/li\u003e\n  \u003cli\u003eCompatible 4‑pin standard connector fits many popular controllers\u003c\/li\u003e\n  \u003cli\u003e31\" lead gives flexibility to position the controller for best access\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and controllers work with the 3040 harness?\u003c\/h3\u003e\n\u003cp\u003eThe harness is made for select Toyota and Lexus models across several years—always verify fitment for your exact year and trim. The 4‑pin controller plug follows industry standards, making it compatible with many common brake controller models from Tekonsha, Draw‑Tite and Reese.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Toyota Tundra, Tacoma, 4Runner, Sequoia, Land Cruiser (select years 2003–2022)\u003c\/li\u003e\n  \u003cli\u003eFits select Lexus GX460\/GX470 and LX470\/LX570 models\u003c\/li\u003e\n  \u003cli\u003eCompatible with popular controllers like Tekonsha P2\/P3\/Prodigy and Draw‑Tite Activator series\u003c\/li\u003e\n  \u003cli\u003eAlways check the vehicle compatibility chart or your dash port before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the construction and durability features?\u003c\/h3\u003e\n\u003cp\u003eOyviny built the 3040 harness with materials chosen for longevity and clean electrical contact. The plugs are molded from ABS plastic while the internal terminals are tin‑plated copper to resist corrosion. An outer nylon mesh sleeve provides abrasion protection where the cable runs behind trim or under the dash.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eABS plastic housing for plug durability\u003c\/li\u003e\n  \u003cli\u003eTin‑plated copper terminals for reliable conductivity\u003c\/li\u003e\n  \u003cli\u003eBlack nylon net tube protects the lead from chafing\u003c\/li\u003e\n  \u003cli\u003e31\" cable length for flexible mounting positions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill using this adapter affect vehicle electronics or warranty?\u003c\/h3\u003e\n\u003cp\u003eBecause the harness uses the vehicle's existing connector and avoids permanent wire modification, it minimizes risk of improper wiring and helps preserve the factory wiring integrity. However, consult your vehicle dealer or owner’s manual regarding dealer warranty policies for aftermarket accessories.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo cutting or splicing reduces chance of shorts and cross‑wiring\u003c\/li\u003e\n  \u003cli\u003eMaintains factory connector for easy removal or inspection\u003c\/li\u003e\n  \u003cli\u003eCheck dealer warranty terms for accessory installation guidance\u003c\/li\u003e\n  \u003cli\u003eProperly routed and secured installations protect vehicle electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Oyviny Brake Controller Wiring Adapter 3040 is ideal for truck and SUV owners who tow regularly and want a clean, reliable way to add an aftermarket electric brake controller without modifying factory harnesses. It's a practical choice for DIY installers, professional shops, and anyone who needs compatibility with popular Tekonsha, Draw‑Tite and Reese controllers on supported Toyota and Lexus models.\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 to cut any factory wires to install this adapter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — the Oyviny 3040 is a plug‑and‑play harness that connects to the vehicle's OEM port without cutting or splicing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which brake controllers are compatible with this 4‑pin adapter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits many standard 4‑pin controllers, including Tekonsha P2\/P3\/Prodigy, Draw‑Tite Activator series, and several Reese models.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Oyviny","offers":[{"title":"Default Title","offer_id":48084468433054,"sku":"B09MYLLYP4","price":31.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/oyviny-harness-front-connector.jpg?v=1785856435","url":"https:\/\/northtrailauto.ca\/products\/oyviny-brake-controller-wiring-adapter-3040-for-toyota-lexus-31-lead-4-pin-plug-plug-and-play","provider":"North Trail Auto","version":"1.0","type":"link"}