TRAILER BRAKE CONTROL APPARATUS FOR A VEHICLE TRAIN AND METHODS THEREFOR

A trailer brake control apparatus is provided for enabling a lead trailer of a vehicle train to provide a selected braking signal for delivery to a rear trailer of the vehicle train. The trailer brake control apparatus comprises a number of pneumatic devices arranged to select one of a plurality of braking signals. The trailer brake control apparatus also comprises a trailer braking controller arranged to (i) receive a first braking signal to apply trailer service brakes of the vehicle train, (ii) produce a second braking signal based upon roll stability activation, and (iii) control the number of pneumatic devices in response to the roll stability activation to select either the first braking signal or the second braking signal for delivery to the rear trailer of the vehicle train.