Tow Doctor™ Trailer Side Test Unit

50928 - Hopkins Manufacturing Corporation (Hopkins)

Specifically designed so that one person can make sure a trailer has been wired properly and all functions are working. Plug the Tow Doctor™ into the trailer connector and the power cord into a battery source and cycle through the trailer lighting functions. Includes 7 Blade, 6 Round and 4 Flat test connectors and durable carrying case.