A brake performance monitoring system operates by an energy differential calculated from brake demand energy and energy absorbed during a braking operation. A significant differential would be reported as a possible problem with the braking system.

The invention provides a bracket 1 for attaching an electrical cable 6 to a vehicle, the bracket comprising a vehicle attachment portion 11, 31 for attaching the bracket to a vehicle attachment surface of the vehicle, and a cable securing portion 13, 33 fo...