Patent ID: 6081189
Filing Date: 2000-06-27
Classification: B60Q

Abstract:
An apparatus for electrically testing the standard light circuit of a trailer independently of a vehicle that tows the trailer, which light circuit includes a plurality of trailer lights, a like plurality of respective positive wires, at least one ground wire electrically connected to the trailer lights, and a standard connector component interconnected to the trailer lights by the positive and ground wires and selectively engaged with a source of electric power to energize the light circuit, said apparatus comprising:a battery;a plurality of indicator lights, each being associated with a respective trailer light;a ground conductor interconnected between a negative terminal of said battery and each said indicator light;harness means releasably attached to the connector component of the trailer light circuit for electrically connecting each said indicator light to a corresponding positive wire of the light circuit and electrically connecting said negative terminal of said battery to the ground wire of the light circuit; andmeans for electrically interconnecting a positive terminal of said battery to a selected one of said indicator lights such that said indicator light flashes intermittently when the associated trailer light, respective positive wire and ground wire of the trailer light circuit are operative and glows continuously when one or more of the associated trailer light, respective positive wire and ground wire of the light circuit are inoperative, said means for electrically interconnecting including a flasher component electrically connected to said positive terminal of said battery, and switch means interconnected between said flasher component and each said indicator light for selectively establishing and breaking electrical connection between said battery and said indicator light.