Patent ID: 7339465
Filing Date: 2008-03-04
Classification: B60Q,G01R,H01R

Abstract:
1. A vehicle-to-trailer light connection verification tester having an electronics circuit which function in combination with a towing vehicle and a towed trailer, wherein the towing vehicle includes a receptacle (J 1 ) having a plurality of sockets that are each connected to a like plurality of rear facing lights, wherein the towed trailer includes a plug (P 2 ) having a like plurality of pins that are each connected to a like plurality of rear facing lights, wherein said electronics circuit having means for determining: a) if each of the plurality of lights connected on the towing vehicle are or not functioning, b) if each of the plurality of lights connected on the towed trailer are or not functioning, c) when there is a lighting problem, if the lighting problem is with the vehicle lighting circuit or with the trailer lighting circuit, d) a plug (P e) a loudspeaker (LS f) a three-position mode switch (S