Seller notes

Product DetailsDesigned so that one person can make sure a vehicle wiring harness has been wired properly and all functions are working. Tests all tow vehicle functions: ground, auxiliary power, brake, directional and backup. Works only with 12 volt negative ground systems.Adapts to 4-Wire flat, 6-Round Pole or 7-Way RV Flat PinHeavy-Duty, 20 foot extension cord is includedSaves time and the cost of a second person at the rear of the vehicleSpecificationsSpecificationsBRANDHopkins...

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