GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
TopKick C-Series (Conventional) C4/C5
🢒
Driver Information and Entertainment
🢒
Cellular, Entertainment, and Navigation
🢒 Radio/Navigation System Schematics
Figure
1:
Radio
Figure
2:
Speakers