An aftermarket radio will not power the factory radio controls as they are wake up via wake up wire.
All inputs are then sent via one wire to the radio BCM etc.
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All inputs are then sent via one wire to the radio BCM etc.
Sent from my iPhone using Tapatalk
Astra-J 2.0 CDTI S/S
Retrofitted AFL, TPMS, Navi950, BT, DAB, Rear Camera, Infinity sound system, Towbar, Flexfloor & more.
I can do programming and retrofits using genuine GM MDI and Dealer software.