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 & BenefitsPlugs Into Your Existing Car-End ConnectorHelps To Properly Install A 4-Way Connector Without A Trailer AttachedHigh Quality ProductDurable And Long Lasting