IPA 6-Way Round Pin Tractor Trailer Circuit Tester
Test 6-way round pin towing circuits at the back of the truck
Tests Trailer Circuits from the Tow Vehicle Quickly and Easily on Older Light and Medium-Duty Trucks and RVs.
Plugs into the vehicle side socket
LEDs indicate that each circuit is working
Eliminates guesswork
“Winged” grip for easy removal from electrical connector