Wiring Harness, Plugs & Switches

CURT electrical connectors are designed to give you a reliable connection every time you plug in your trailer. This dual-output connector is designed to be a perfect OEM replacement, plugging into a USCAR socket and supplying power for tail lights, turn signals, electric trailer brakes, a 12-volt battery, reverse lights and brake lights, as well as a ground connection. Learn More

With the introduction of the new ARB Intensity LED driving lights and their use of Deutsch waterproof connectors, ARB has developed a new loom based on an existing 3500440 and 3500520 Auxiliary Lighting Loom. Learn More

This CURT USCAR extension harness is designed to help ease the installation process of the CURT Echo in-line brake controller, providing 24" of extra length for more flexible positioning of the brake control module. It connects USCAR to USCAR and comes with a slit loom sleeve to protect the wires. Learn More

Towing your vehicle behind your RV is a great way to experience more of the adventure on your cross-country excursions. Whether you're towing a compact car or a full-size truck, CURT has the perfect solution to help you Bring It! CURT towed-vehicle RV harnesses are a vehicle-specific, plug-and-play solution to wiring your vehicle for dinghy towing. Learn More

A CURT custom wiring connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring. Most vehicles do not come ready to tow. Learn More

Stress is the last thing you should feel when towing a trailer -- whether you're hauling your RV to that favorite camping destination, your ATVs up to the hunting grounds or your fishing boat to the new hidden hotspot. At CURT, we think your towing equipment should add to the enjoyment of your experience, not detract from it. Learn More

A CURT custom wiring connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring. Most vehicles do not come ready to tow. Learn More

A CURT custom original equipment vehicle-to-trailer connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring. Most vehicles do not come ready to tow. Learn More

Unleash the power of your SlimLite® 8" LED lights with the KC HiLites SlimLite® 8" LED - Wiring Harness with Switch. Learn More

The Hella Optilux Two Light Wire Harness is capable of simultaneously handling two lights with up to 150W each at 12V. Learn More