View Cart Customer Service Info About our Company Send Email

Live chat by BoldChat

ecommerce provided by Yahoo! Small Business

Beat the Recession!  Click Here For Details! now blogs! Check us out

Click to enlarge

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.

Check owners manual for Vehicle towing capacities
Trailer Hitch Pictures and others may not depict actual items

See Sales, new products and more including our Free Shipping on