GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Terraza Ext. 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Door Lock/Indicator Schematics
Figure 1:

Switches
Object Number: 1921708 Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Actuators
Figure 2:

Actuators
Object Number: 1921710 Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Indicators
Switches
Figure 3:

Indicators
Object Number: 1921713 Size: FS
Master Electrical Component List
Door Ajar Indicator Description and Operation
Control Module References
Actuators