Tools & Shop Products

Tools and Shop Products

Trailer Circuit Testers, Adapters and Cleaners

Sort by:

Plugs into 7-way Spade type terminals found on most vehicles today and adapts to 6 round pin and 4/5 pin trailer connections. Sealed plugs to keep... More...

Add to Cart

This 7 flat pin circuit tester easily tests trailer plug circuitry on most new light trucks, SUVs and RVs. Just plug the tester into the trailer... More...

Add to Cart

Identifies faulty circuits on 7-way round tractor trailer connections. Use to test both truck and trailer side. Leave plugged in-line while on the... More...

Add to Cart

Cleans tractor or trailer lighting receptacles and cleans the dirt, grease and phosphate debris off old and dirty terminals. No more wiggling for... More...

Add to Cart

Plug the 6 pole trailer tester into the back of the vehicle and apply your brake lights, turn signals and running lights. Each circuit will... More...

Add to Cart

This handy harness checker easily traces each lighting function to the truck side terminal. Each LED corresponds to the circuit being energized... More...

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Powered by Web Store