DCC head/tail lights for Hornby Class 43 HST

Units are supplied for both the powered and unpowered cars. Two 2 function decoders are required to operate them. The unit for the unpowered car is wired as the reverse of the powered car therefore if both decoders are given the same address the function to switch on the headlights on the powered car will also switch on the tail lights on the unpowered car and vice versa.