Hopkins Tow Doctor Trailer Side Test Unit • 50928

Specifically designed so that one person can make sure a trailer has been wired properly and all functions are working. Plug the Tow Doctorâ„¢ 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.

• Designed so that one person can make sure a trailer has been wired properly and all functions are working
• Tests all trailer functions: left turn, brake, tail, backup lights; electric brakes and auxiliary power
• Trailer lights illuminate and LED lights on the tester to show function operation
• Adapts to 4-Wire Flat, 6-Pole Round, or 7 RV Blade
• Includes battery terminal clips. Can be used with any 12-Volt battery
• Amperage meter shows actual amp draw. For electric brakes, magnets are activated to determine correct operation

• 90 Day Limited Warranty