Whether you're replacing an old connector or installing new trailer wiring, CURT plugs and sockets offer reliability and a perfect fit. We carry everything from 4-way flat to 7-way RV blade for both vehicles and trailers. We also have mounting brackets and dust covers.

Complete with a color coded trailer wiring diagram of each plug type, this guide walks through each available solution, including custom wiring, splice-in wiring and replacement wiring. If you're looking to replace the wiring on your trailer, check out our trailer rewiring guide .

CURT 7-way connectors are designed to supply power to the trailer's taillights, turn signals, brake lights, electric trailer brakes, reverse lights, auxiliary power and ground connection. 7-way plugs and sockets are typically used on larger trailers, for heavy-duty towing, such as on gooseneck and 5th wheel trailers, as well as larger utility ...

In addition to the basic lighting functions of running lights, brake lights, turn signals and a ground wire, a 6-way connector provides one wire for trailer brakes and one wire for a battery connection. How to wire a 6-wire plug

If the trailer plug wiring on your vehicle or trailer is damaged or not functioning properly, you can easily replace it with a CURT splice-in plug or socket. CURT offers both plugs (for the trailer side) and sockets (for the vehicle side) in all standard formats.

If your vehicle is equipped with an existing USCAR or other OEM socket, CURT offers a reliable replacement option. Our USCAR connectors and Dodge 8-prong connectors plug into the factory vehicle socket to provide a standard trailer wiring connector. We …

CURT wiring dust covers keep your vehicle-trailer wiring connectors well protected when not in use. Each cover comes with an attachment strap and a cap to fit over the plug or socket, keeping the terminals safe from dirt, grime and moisture.

This particular connector is a 7-way RV blade socket and is designed to mount on the vehicle-side of the connection, to accept a trailer wiring plug. It features a USCAR base to connect to a standard USCAR plug (see application info to verify fitment with your vehicle).

CURT OE connectors are designed to replace or equip the vehicle with a standard wiring connection for towing a trailer, utilizing the factory USCAR or Dodge socket. If the USCAR socket on your vehicle is damaged or in need of replacement, the …

Our genuine replacement parts set the standard for performance and durability, ensuring your trailer pulls smoothly from bearings to brakes. Our replacement parts aren't just genuine — they're universally compatible.