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Home » Shop » hot sale » 7 Round Pin Tractor Trailer Circuit Tester

7 Round Pin Tractor Trailer Circuit Tester

Original price was: $59.13.Current price is: $42.29.

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SKU: IPA7865 Category:
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    • Features and Benefits:

        • Troubleshoots tractor trailer circuits
        • One person can now test all the lighting
        • Allows bypassing of troubled circuitry while on the road
        • Eliminates guesswork
        • Packaged with an extra jumper connector

      The 7 round pin trailer tester identifies faulty circuit on trucks and trailers by attaching to the wire terminals Plugs in line to the trailer to allow the truck to power the trailer while you test each circuit. Also has an emergency bypass feature which allows the user to remove the pin on the faulty circuit and jump power from the 12 volt supply for a temporary fix.