The VLM5 is an electronic module that is used in many motorhomes to control the rear LED road lighting. The unit includes monitoring of the motorhome rear direction indicators so that if / when a failure occurs this is shown on the vehicle dashboard (and by a flashing indicator on the VLM5 unit). The VLM5 also includes the facility to connect an optional towing harness to provide a 13-pin socket for connection to a light board, trailer or caravan. When this