Selectively operating vehicle trailer lights involves generating control signals in vehicle, sending to trailer, switching voltage source in trailer with received signals to provide operating voltage

摘要

The method involves generating control signals (14) in the motor vehicle (1), transmitting the control signals to the trailer (2), receiving the control signals in the trailer and switching a voltage source (17) in the trailer with the received control signals to provide the operating voltage for the illumination devices (8). The control signals can be transmitted by data transmission cable or wireless data transmission channel. An Independent claim is also included for an arrangement for selective operation of illumination devices of a vehicle trailer.