SecoRüt Test box for vehicle trailers

This test box is used to check and control the wiring and connections of the trailer sockets on the vehicle as well as on the trailer. A new feature is the visual display of the ground wires of the 13-pin trailer socket (three ground wires must be connected). Additionally, the user has the option to check the connections of ground wires 9 and 10 of the vehicle socket. The test box is equipped with a cable approximately 5 meters long and a combination plug for 7/13-pin use by a single person. Delivery is provided in a plastic case.