GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Terraza 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Instrument Cluster Schematics
Figure 1:

Gages, Ground, and Power
Object Number: 1921780 Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and Lighting
Figure 2:

Indicators and Lighting
Object Number: 1921784 Size: FS
Master Electrical Component List
Indicator/Warning Message Description and Operation
Control Module References
Messages
Gages, Ground and Power
Figure 3:

Messages
Object Number: 1921787 Size: FS
Master Electrical Component List
Driver Information Center (DIC) Description and Operation
Control Module References
Indicators and Lighting