Tractor Trailer Circuit Tester
The 7-Way Round Pin Tractor Trailer Circuit Tester from IPA, #7865L, does “one man testing” for male and female 7-way round pin tractor trailer plugs — and much more. Features include: Troubleshoots tractor trailer circuits. One person can test all the lighting alone. Allows you to bypass troubled circuits so you can drive away. Eliminates […]
