WATERWICH Heavy Duty 7-Way RV Blade Connector Tester 7-Way Trailer Light Tester for Tow Truck Commercial Vehicle SUV -7-Way Connector Tester-

Description: Wiring Style: 7-Way Made from LED's and ABS housing that ensures durability Essential safety tool for quick checking of vehicle wiring configuration/status for towing The easy and quick way to test trailer circuits on most trucks 7-way tester can check all your trailer light circuits on your vehicle,Confirms proper vehicle and trailer electrical function Bright Red LEDs tell you if specific functions are working properly Tests 7-way for taillights, brake controller output , back up or reverse circuit center pole, right turn/brake, left turn/brake and 12-volt power feed,Tests 6 separate trailer light functions Simple to use - no batteries or wiring needed; compact size 13.5*4.1cm(5.3*1.6inches") easy to store Works with both the common 7 way trailer plug used on most SUV's, trucks, boats, trailers Campers, Caravans, Food Vans and other Towed Vehicles Highly recommended every time you hitch a new trailer for safety assurance Fits all standard 7-pin wiring configurations A convenient tool for ensuring the functionality of your tow vehicle's trailer wiring and Brake controller