Specific wiring harness for retrofitting a PDC Park Distance Control for Audi A6 4F This harness connects the sensors in the front bumper to the wiring coming from the control unit Scope of delivery: Cable set Notes To use all the features of a PDC system, you will need 4 cables: Wiring for the PDC upgrade at the rear Wiring for the Park Pilot rear bumper sensors (part number: 36245) Wiring for the control unit Park Pilot - vehicle electrical system (part number: 36244) Wiring for PDC upgrade at the front: Wiring for the Park Pilot control unit - front (part number: 33907) Wiring for the sensors Park Pilot Front Bumper (Item Number: 34524)