Complete Vehicle Side Wiring Harness Test Unit
The Hoppy Tow Doctor is designed so that one person can make sure a vehicle wire harness has been installed correctly and all functions are working.
- It tests all tow vehicle functions including ground, auxillary power lead, brake controller, directional and backup lights.
- It adapts to 4-way flat and 6 or 7-way RV blade round.
- Heavy duty, 20' extension cord is included. Puts you in the driver's seat when testing.
- Saves time and the cost of a second person at the rear of the vehicle.
- Optional 7-way round heavy duty adapter also available.