4-WAY & 7-WAY TOWING CIRCUIT TESTER

4-WAY & 7-WAY TOWING CIRCUIT TESTER. DE-BUG™ PLUG 7-WAY AND 4-WAY CIRCUIT TESTER Indicates if 12-volt power from tow vehicle is reaching trailer's tow plug Shows if vehicle's tow circuit is properly configured One end of tester tests 7-way plug, the other end tests 4-way flat plug Makes troubleshooting tow vehicles easy! Simply plug tester into tow vehicle's towing plug and operate vehicle's turn signals, lights and brakes. Glowing green LED indicates circuit is good. Also pinpoints where the problem exists (left or right brake light or turn signal, tail/marker lights, power to trailer, electric brakes, back-up or auxiliary lights). Brake-resistant plastic.

$24.99