Seller notes

Manufacturer: Tow Ready Part Number: 20117 Condition: New Product Description: Trailer Wire Tester Trailer Wire Tester; 7-Way Flat Pin Car End Tester w/LED Display;FEATURES:Trailer Wire TesterPlug these testers into any car connector and you will have an instant test of running light circuits. Features LED display to show completed circuit for the running lights, left turn signal and right turn signal. Auxiliary and electric brake circuit are included on the 6-way tester and auxiliary, electric ...

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