Trailer Wiring Circuit Tester; 4-Way Trailer Test Light

WirthCo's Battery Doctor® branded battery accessories provides you with everything that you need to create your very own custom battery package. We carry a large assortment of WirthCo Battery Doctor accessory products to meet the needs of every battery enthusiast. We are your premier source for WirthCo battery disconnect items and accessories. Features & Benefits Plugs Into Your Existing Car-End Connector Helps To Properly Install A 4-Way Connector Without A Trailer Attached High Quality Product Durable And Long Lasting