One or more auxiliary lighting systems are attached to the exterior of a motor vehicle. A control module is located in the engine compartment and connected to the auxiliary lighting system(s) and the battery. A very low power transmitter, located in the cabin of the vehicle, transmits a simple pulse...http://www.google.es/patents/US5195813?utm_source=gb-gplus-sharePatente US5195813 - Wireless control for auxiliary lighting
