GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Caprice WM 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Body Control System Schematics
Figure 1:

Module Power, Ground, Serial Data, and Transmission Subsystem References
Object Number: 2154324 Size: FS
Figure 2:

Cruise Control, Exterior Lights, Interior Lights, Horn, Door Lock, Release System, Hydraulic Brakes, and Antilock Brake Subsystem References
Object Number: 2137165 Size: FS
Figure 3:

Headlight, Wiper/Washer, Fog Light, Exterior Lights, and Starting and Charging Subsystem References
Object Number: 2137173 Size: FS
Figure 4:

Instrument Cluster, Door Lock, Heated/Cooled Seat, Immobilizer, and Power Moding Subsystem References
Object Number: 2137183 Size: FS