Details
Tester plugs into connector of tow vehicle and illuminates when the electrical connections are correct. Tests to SAE standards on flat 4-way functions for tail light, stop/turn lights and ground. Quick and easy use.
Tester plugs into connector of tow vehicle and illuminates when the electrical connections are correct. Tests to SAE standards on flat 4-way functions for tail light, stop/turn lights and ground. Quick and easy use.