CURT 58180 Trailer-Side 7-Pin Round Wiring Harness Socket with Spring

Rugged design to hold up to agricultural use. Works great.

I purchased the CURT 58180 Trailer-Side 7-Pin Round Wiring Harness to connect my trailer to my vehicle, and I'm extremely satisfied with it. The installation was a breeze thanks to the clear instructions and well-designed connectors. The harness fits perfectly, and the quality of the materials is top-notch. If you're looking for a reliable and easy-to-install trailer wiring harness, I highly recommend the CURT 58180.

Replaced my old plastic one on my semi with this heavy duty metal one, the build quality is perfect, solid and it has bigger screws so connecting the wires is so much easier.

Good quality, worked well.

The majority of trailer plugs use a screw to connect the inside of the plug with the body. These use a spring latch, we have had issues with the latch not holding and the guys pulling the plug apart. This leaves the connector inside the plug and a bunch of wires in your hand. Great value for the price, the quality otherwise is great. We use these in a commercial application, going to switch to the version with the locking screw.

Seems to be of good quality. Never used the Curt brand on the big truck though. Just going to lather on some grease and let it ride. Should be fine for light duty non-commercial use.

This item solved a problem with lights on our trailer. Worked very well and fit perfectly. It takes care of the problem with very little expense and came very quickly.

Great replacement for the older style RV round pin (NOT blades) trailer connectors. Wire designations are marked inside next to the screw terminals. Good housing and strain relief for wires. Heavy and heavy duty.