$424.99 – Sold Out
The Hopkins 50918 Tow Doctor Vehicle Wire Harness Test Unit is designed so that one person can make sure a vehicle wiring harness has been installed properly and all functions are working, saving the time and cost of a second person at the rear of the vehicle. Tests all tow vehicle functions: ground, auxiliary power, brake, direction and backup. Adapts to 4-Wire Flat, 6-Pole Round, or 7 RV Blade. Heavy duty, 20 ft. extension cord is included.