GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2008
🢒
Impala
🢒 Satellite Radio - U2K
Satellite Radio - U2K
Satellite Radio - U2K
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Radio to Speakers (9C1/9C3 and WX7)
BATT 1, CNSTR, XM, TRUNK, AMP, AUX Fuses, and TRUNK Relay
Power, Ground, and Low Speed GMLAN Serial Data
G403, and G404