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CURT Vehicle & Trailer Wiring

Power up your towing setup with CURT trailer wiring. From custom vehicle wiring harnesses to trailer connectors, CURT makes it easy to establish a reliable electrical connection. Our products are built for seamless compatibility, durability, and weather resistance, ensuring lights, brakes, and signals all work in sync.

CURT Vehicle and Trailer WiringCURT Vehicle and Trailer Wiring
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CURT Powered Converter Wiring Kit (15 Amps) #55152 View Product
Curt™ CURT Powered Converter Wiring Kit (15 Amps) #55152

SKU: 2020103515

$20.95
gear
Universal Vehicle Fit
CURT Powered Converter Wiring Kit (10 Amps) #55151 View Product
Curt™ CURT Powered Converter Wiring Kit (10 Amps) #55151

SKU: 2020103514

$20.95
gear
Universal Vehicle Fit
CURT 5-Way Flat Connector Tester #57505 View Product
Curt™ CURT 5-Way Flat Connector Tester #57505

SKU: 2020103576

$9.95
gear
Universal Vehicle Fit
CURT 7-Way RV Blade Connector Tester (Packaged) #58273 View Product
Curt™ CURT 7-Way RV Blade Connector Tester (Packaged) #58273

SKU: 2023047728

$16.95
gear
Universal Vehicle Fit
CURT 4-Way Flat Connector Dust Cover Set (Packaged) #58761 View Product
Curt™ CURT 4-Way Flat Connector Dust Cover Set (Packaged) #58761

SKU: 2020103703

$8.95
gear
Universal Vehicle Fit
CURT Cold-Weather Replacement 7-Way RV Blade with 6' Wires (Trailer Side) #56611 View Product
Curt™ CURT Cold-Weather Replacement 7-Way RV Blade with 6' Wires (Trailer Side) #56611

SKU: 2020103531

$64.95
gear
Universal Vehicle Fit
CURT Connector Mounting Bracket for 7-Way Round #58222 View Product
Curt™ CURT Connector Mounting Bracket for 7-Way Round #58222

SKU: 2020103647

$8.95
gear
Universal Vehicle Fit
CURT 8' Electrical Adapter Harness (7-Way RV Blade Vehicle to 4-Way Flat Trailer) #57280 View Product
Curt™ CURT 8' Electrical Adapter Harness (7-Way RV Blade Vehicle to 4-Way Flat Trailer) #57280

SKU: 2021017456

$53.95
gear
Universal Vehicle Fit
CURT Non-Powered 3-to-2-Wire Taillight Converter (Bulk) #58240 View Product
Curt™ CURT Non-Powered 3-to-2-Wire Taillight Converter (Bulk) #58240

SKU: 2020103650

$14.95
gear
Universal Vehicle Fit
CURT Electrical Adapter (7-Way RV Blade to 6-Way Round Trailer, Center Pin Brake) #57660 View Product
Curt™ CURT Electrical Adapter (7-Way RV Blade to 6-Way Round Trailer, Center Pin Brake) #57660

SKU: 2020103583

$10.95
gear
Universal Vehicle Fit
CURT Cold-Weather Replacement 7-Way RV Blade with 8' Wires (Trailer Side) #56612 View Product
Curt™ CURT Cold-Weather Replacement 7-Way RV Blade with 8' Wires (Trailer Side) #56612

SKU: 2020103532

$80.95
gear
Universal Vehicle Fit
CURT Dual-Output Adapter with Backup Alarm (4-Way Flat to 7-Way RV Blade Trailer) #57102 View Product
Curt™ CURT Dual-Output Adapter with Backup Alarm (4-Way Flat to 7-Way RV Blade Trailer) #57102

SKU: 2020103545

$47.95
gear
Universal Vehicle Fit
CURT 4-Way Flat Connector Plug & Socket with 72" Wires #58050 View Product
Curt™ CURT 4-Way Flat Connector Plug & Socket with 72" Wires #58050

SKU: 2020103612

$8.95
gear
Universal Vehicle Fit
CURT Connector Mounting Bracket for 7-Way RV Blade (Black) #58290 View Product
Curt™ CURT Connector Mounting Bracket for 7-Way RV Blade (Black) #58290

SKU: 2020103656

$8.95
gear
Universal Vehicle Fit
CURT Adapter (7-Way RV Blade to 6-Way Round Trailer, Center Pin Auxiliary, Packaged) #57261 View Product
Curt™ CURT Adapter (7-Way RV Blade to 6-Way Round Trailer, Center Pin Auxiliary, Packaged) #57261

SKU: 2020103569

$13.95
gear
Universal Vehicle Fit
CURT 4-Way Flat Connector Plug with 12" Wires (Trailer Side, Packaged) #58031 View Product
Curt™ CURT 4-Way Flat Connector Plug with 12" Wires (Trailer Side, Packaged) #58031

SKU: 2020103604

$8.95
gear
Universal Vehicle Fit
CURT Powered 3-to-2-Wire Taillight Converter #59190 View Product
Curt™ CURT Powered 3-to-2-Wire Taillight Converter #59190

SKU: 2020103711

$72.95
gear
Universal Vehicle Fit
CURT Replacement 7-Way RV Blade with 10' Wires (Trailer Side, Packaged) #56623 View Product
Curt™ CURT Replacement 7-Way RV Blade with 10' Wires (Trailer Side, Packaged) #56623

SKU: 2020103536

$74.95
gear
Universal Vehicle Fit
CURT Connector Mounting Bracket for 4-Way Flat (Packaged) #58301 View Product
Curt™ CURT Connector Mounting Bracket for 4-Way Flat (Packaged) #58301

SKU: 2020103659

$8.95
gear
Universal Vehicle Fit
CURT 4-Way Flat Connector Plug & Socket with 12" Wires Each (Packaged) #58304 View Product
Curt™ CURT 4-Way Flat Connector Plug & Socket with 12" Wires Each (Packaged) #58304

SKU: 2020103661

$8.95
gear
Universal Vehicle Fit
CURT Electrical Adapter with Tester (4-Way Flat Vehicle to 7-Way RV Blade Trailer) #57676 View Product
Curt™ CURT Electrical Adapter with Tester (4-Way Flat Vehicle to 7-Way RV Blade Trailer) #57676

SKU: 2020103588

$41.95
gear
Universal Vehicle Fit
CURT OEM Replacement Dual-Output Vehicle-Side 7-Pin, 4-Pin Connectors, Plugs into Any USCAR Socket, Packaged #57020 View Product
Curt™ CURT OEM Replacement Dual-Output Vehicle-Side 7-Pin, 4-Pin Connectors, Plugs into Any USCAR Socket, Packaged #57020

SKU: 2022115531

$35.95
car
CURT 5-Way Flat Connector Socket with 60" Wires (Vehicle Side, Packaged) #58531 View Product
Curt™ CURT 5-Way Flat Connector Socket with 60" Wires (Vehicle Side, Packaged) #58531

SKU: 2020103693

$14.95
gear
Universal Vehicle Fit
CURT Electrical Adapter (4-Way Flat Vehicle to 6-Way Round Trailer) #57183 View Product
Curt™ CURT Electrical Adapter (4-Way Flat Vehicle to 6-Way Round Trailer) #57183

SKU: 2020103546

$26.95
gear
Universal Vehicle Fit
CURT LogoCURT Logo

Reliable Power for Every Tow

CURT vehicle and trailer wiring products are designed to keep your trailer’s lights and electric systems fully operational and road legal. Whether you're installing a new wiring harness, replacing old components, or upgrading your setup, CURT has a full line of high-quality connectors, harnesses, and adapters to make towing easier. Our custom vehicle wiring harnesses are plug-and-play for quick installation, while our trailer-side wiring components are weather-resistant and built to last.

From taillights to turn signals and brake lights, CURT ensures seamless communication between your vehicle and trailer for safe, compliant towing. When it comes to towing electronics, dependability is key, and CURT delivers with trusted products that keep you connected mile after mile.

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