7-Pin Trailer Wiring Harness – Our trailer wiring harness extends your truck's existing trailer wiring, enabling a quick and easy connection. It retains the use of the rear 7-way RV blade socket while adding an additional 7-way socket in the truck bed. *Meets the same high industry standards as top trailer safety brands.
Multi-Function Connectivity – Supports trailer taillights, brake lights, reverse lights, turn signals, electric trailer brakes, and an auxiliary power wire for 5th wheel and gooseneck trailers.
Plug & Play Installation – No cutting or splicing required; simply plug into the factory wiring for a hassle-free setup. The 7-foot harness provides flexibility for truck bed installation. (2-1/8-inch hole saw required.)
Waterproof & Durable – Built to withstand harsh weather, the harness operates reliably from 14°F to 140°F. Corrosion-resistant terminals and an adhesive-reinforced junction ensure long-lasting, stable performance.
Superior Protection – Features a rugged nylon fiber housing for durability and internal wiring protection. A built-in spring cover keeps connection points clean, ensuring long-term stable use.
Versatile & Reliable Performance – Ideal for heavy-duty towing applications, this extension harness ensures a secure and uninterrupted connection between your truck and trailer, improving road safety and performance.