Wm Gm29 Swc Wiring Diagram. If you wish to reassign functions to the swc follow the programming instructions in the next section. Does not provide pigtail for swc retention interface.
You may use the same grounding point as the aftermarket radio. Connect the swc wire according to the chart on page 1 (aftermarket radio must support a wired remote input). By using this interface, the parking assist system will receive a “healthy” system status and the rear seat audio controls will.