This fantastic Trailer Light Converter made by Carrofix is designed for separating "stop" signal from the Two-Wire System US Vehicle to connect your European Trailer (caravan, boat trailer, bike carriers and others). It provides an electrical solution that if you have a US vehicle with 4 way flat, and you want to hook up a European trailer, with a 7-way Round Pin. If your US vehicle has the 4-way flat plug, and your Euro trailer has the 7 pin round connector, where your US car need to separate the stop and tail signals, this Trailer Wiring Adapter will need to be use.
Installation Guide: a) Before connecting the Converter to the vehicle, check that all signals on the car have been turned off. b) Connect the Converter to the existing US 4 way flat plug in the vehicle. c) Insert the other side EU trailer plug into the socket Converter. d) Check that all connections are safety fastened. e) When exploitation, maintenance of the electrical adapter is not required.