what about the yellow wire? is this some test they've asked you to do?
Sounds more like they want you power it from the battery to see if the unit works.
Sounds more like they want you power it from the battery to see if the unit works.
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.