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PT78976 ROUND PIN TRAILER CIRCUIT TESTER
PT7897 6 ROUND PIN TRAILER CIRCUIT TESTER - Features & Benefits
- Tests trailer circuits on most light/medium duty trucks and campers.
- Traces each lighting function to the terminal in question.
- Each LED light corresponds to the circuit being energized
6 ROUND PIN TRAILER CIRCUIT TESTER 1 1
Great tool when you need it. I have only used it once but it saved alot of time. It made it easy to determine my trailer lights were fine but i had a bad ground on my trucks. October 17, 2011
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