The lateral movement sensor is positioned at the rear of the caravan/trailer, with the electric motor and high power spring on the A-frame at the front. Power is for the system is taken directly from the towing vehicle engine battery, as the required amperage is too great to be taken through a normal tow hitch connector.

1: Battery

2: 30 Amp Fuse

3: Buzzer (vehicle interior)

The cable terminals of the plug and socket are assigned as follows:

No 31 = negative

No 54 = positive

No 58 = L lead to the acoustic warning signal inside the vehicle (Position 36)