Electrical connectors range in shape, size and capability — and you need a solid connection to keep the power flowing and ensure safety on the road.
CURT electrical connectors are designed to give you a reliable connection every time you plug in your trailer.
This 7-way round connector plugs into a USCAR socket and supplies power for tail lights, turn signals, electric trailer brakes, a 12-volt battery, reverse lights and brake lights, as well as a ground connection. It is intended to be a replacement trailer connector for specific Ford, GM and Nissan vehicles.
It features rust-free black plastic construction and comes with a spring-loaded cover to keep out dust and water. This 7-way round connector is a female-end socket, specifically designed for the vehicle side of the connection.
Before You Order
Verify part number 55415 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 55415 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.

