Specific wiring harness for retrofitting cruise control for VW T6.1 SH This wiring harness establishes the connection between the steering column switch, the vehicle electrical system control unit and the engine control unit Cruise control functions: Programmed speed Acceleration Deceleration Resuming last stored speed Selectable options: Without multifunction steering wheel With multifunction steering wheel Scope of delivery: Wiring harness Note: The cruise control function must be activated by the VW dealer