Tow Doctor is designed so one person can make sure a trailer has been wired properly and all functions are working. Adapts to 4-wire flat or 6 or 7-way RV blade round. Includes battery terminal clips and cann be used with any 12-volt battery.
Tow Doctor is designed so one person can make sure a trailer has been wired properly and all functions are working. Adapts to 4-wire flat or 6 or 7-way RV blade round. Includes battery terminal clips and cann be used with any 12-volt battery.