Custom Vehicle Wiring Harnesses

Custom vehicle wiring harnesses make trailer lighting connections fast and reliable. Our harnesses (or "T-connectors") plug directly into factory wiring with no cutting or splicing required. Designed for vehicle-specific fit and dependable performance, they provide a clean, OEM-style solution for safe and confident towing.

Shop Custom Vehicle Wiring Harnesses for your Vehicle

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Curt™ CURT 56071 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Dodge Ram 1500, 2500, 3500, Dakota

SKU: 2022118684

$121.95

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Curt™ CURT 10-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, Toyota #56000

SKU: 2022118627

$152.95

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Curt™ CURT 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension & Cover, Select Chevrolet, GMC #56072

SKU: 2022118685

$116.95

CURT custom trailer wiring harnesses are designed for your vehicle and make towing easy.

A Reliable Trailer Wiring Connection

For safe and reliable towing, it's crucial to have a proper electrical connection to your trailer. This is where our extensive range of custom vehicle wiring harnesses, or "T-connectors," comes into play. Tailored for specific vehicles, these harnesses easily integrate with your vehicle's original electrical system, providing a standard connection socket. Each harness is designed for a specific vehicle model and year, ensuring a perfect fit. Additionally, we offer splice-in wiring options and a variety of adapters, ensuring your setup is road-ready. For further guidance, refer to The Ultimate Trailer Wiring Guide for Tow Preparation.

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