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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.

Custom Vehicle Wiring Harnesses for Towing T-Connector

Custom Vehicle Wiring Harnesses for Towing T-Connector

Shop Custom Vehicle Wiring Harnesses for your Vehicle

CURT Custom Wiring Harness, 4-Way Flat Output, Select Toyota RAV4 #55486

Curt™ CURT Custom Wiring Harness, 4-Way Flat Output, Select Toyota RAV4 #55486

SKU: 2022118593

$53.95

CURT 56545 Vehicle-Side Custom RV Blade 7-Pin Trailer Wiring Harness, Fits Select Ford Ranger

Curt™ CURT 56545 Vehicle-Side Custom RV Blade 7-Pin Trailer Wiring Harness, Fits Select Ford Ranger

SKU: 2024041945

$88.95

CURT 56501 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Kia Telluride

Curt™ CURT 56501 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Kia Telluride

SKU: 2023062935

$121.95

CURT 56559 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Infiniti QX50

Curt™ CURT 56559 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Infiniti QX50

SKU: 2025014901

$131.95

CURT 55414 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Jeep Commander, Except Rocky Mountain Edition

Curt™ CURT 55414 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Jeep Commander, Except Rocky Mountain Edition

SKU: 2022118585

$76.95

CURT 56450 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Mazda CX-30

Curt™ CURT 56450 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Mazda CX-30

SKU: 2022118963

$100.95

CURT 55323 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Dodge Caravan, Grand, Dakota, Chrysler Town and Country, Plymouth

Curt™ CURT 55323 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Dodge Caravan, Grand, Dakota, Chrysler Town and Country, Plymouth

SKU: 2022118536

$29.95

CURT 55312 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Chevrolet S10, GMC S15, C/K, Suburban, Syclone, Isuzu Hombre

Curt™ CURT 55312 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Chevrolet S10, GMC S15, C/K, Suburban, Syclone, Isuzu Hombre

SKU: 2022118528

$21.95

CURT 56413 Vehicle-Side Custom RV Blade 7-Pin Trailer Wiring Harness, Fits Select Ford F-150

Curt™ CURT 56413 Vehicle-Side Custom RV Blade 7-Pin Trailer Wiring Harness, Fits Select Ford F-150

SKU: 2022118935

$88.95

CURT 56210 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Chevrolet Equinox, GMC Terrain

Curt™ CURT 56210 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Chevrolet Equinox, GMC Terrain

SKU: 2022118770

$13.95

CURT 56355 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Volvo XC60

Curt™ CURT 56355 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Volvo XC60

SKU: 2022118883

$81.95

CURT 56453 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Lincoln Aviator

Curt™ CURT 56453 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Lincoln Aviator

SKU: 2022118966

$88.95

CURT 56147 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Toyota Prius

Curt™ CURT 56147 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Toyota Prius

SKU: 2022118736

$70.95

CURT 55106 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Honda CR-V

Curt™ CURT 55106 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Honda CR-V

SKU: 2022118505

$38.95

CURT 56106 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Toyota Sienna

Curt™ CURT 56106 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Toyota Sienna

SKU: 2022118710

$85.95

CURT 58916 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Dodge, Ram 1500, 2500, 3500

Curt™ CURT 58916 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Dodge, Ram 1500, 2500, 3500

SKU: 2022119021

$100.95

CURT 56487 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Mazda CX-5, CX-50

Curt™ CURT 56487 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Mazda CX-5, CX-50

SKU: 2023062923

$93.95

CURT 56508 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Honda Civic

Curt™ CURT 56508 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Honda Civic

SKU: 2023062942

$100.95

CURT 58904 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Honda CR-V

Curt™ CURT 58904 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Honda CR-V

SKU: 2022119009

$81.95

CURT 58971 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Chevrolet Equinox without LED Taillights

Curt™ CURT 58971 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Chevrolet Equinox without LED Taillights

SKU: 2022119071

$117.95

CURT 58975 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Ram 1500

Curt™ CURT 58975 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Ram 1500

SKU: 2022119075

$93.95

CURT 58998 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Jeep Grand Cherokee, L

Curt™ CURT 58998 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Jeep Grand Cherokee, L

SKU: 2022119092

$93.95

CURT 58996 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Ford Bronco without LED Taillights

Curt™ CURT 58996 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Ford Bronco without LED Taillights

SKU: 2022119090

$93.95

CURT 58967 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Chevrolet Silverado, GMC Sierra 1500, 2500, 3500 HD

Curt™ CURT 58967 Custom Towed-Vehicle RV Wiring Harness for Dinghy Towing, Fits Select Chevrolet Silverado, GMC Sierra 1500, 2500, 3500 HD

SKU: 2022119067

$81.95

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

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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