Hopkins 50928 - Tow Doctor™ Vehicle Tester KitDesigned so that one person can make sure a vehicle wiring harness has been wired properly and all functions are working. Tests all tow vehicle functions: ground, auxiliary power, brake, directional and backup. Works only with 12 volt negative ground systems. Features Adapts to 4 Wire flat, 6 Round Pole or 7 Way RV Flat Pin Heavy Duty, 20 foot extension cord is included Saves time and the cost of a second person at the rear of the vehicle Included:
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols