Trailer Doctor™ Trailer Tester Kit Hopkins
(Hopkins Part #: LM-50928)
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$618.95
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Designed so that one person can make sure a trailer has been wired properly and all functions are working. The unit easily determines correct or miswired connections, burned-out lamps or trailer shorts to ground. Works only with 12 volt negative ground systems.

    Specs

    Installation InstructionsCLICK HERE

    Features

    • Tests all trailer functions: Left Turn, Brake, Tail, Backup, Electric Brakes and Auxiliary power
    • Trailer lights illuminate and L.E.D. lights on the tester to show function operation
    • Adapts to 4-Wire flat, 6-Round Pole or 7-Way RV Flat Pin
    • Equipped with a amperage meter that shows actual amp draw. For electric brakes, magnets are activated to determine correct operation

    Included:

    • Main Test Unit, 4-Flat tester, 6 Round adapter (center pin electric brakes), 7-Way RV Adapter and storage case

    Not Included:

    Installation Instructions CLICK HERE