cable & circuit testers
innovative products of america 7897 6 round pin tester
plug the 6 pole trailer tester into the back of the vehicle and apply the brake lights turn signals running lights etc. if the vehicle is wired correctly each circuit will illuminate the corresponding led on the 6 pole tester . if the vehicle is not wired correctly the corresponding led will not light up . br easy to use br quickly and accurately tests 6 pole trailering circuits . br weatherproof br winged grip for easy removal from truck connector