GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Cell 34: Instrument Cluster


Object Number: 307212  Size: FS
Cruise Control Components
Cruise Control System Circuit Description WO/ETC
Cell 34: PCM
Handling ESD Sensitive Parts Notice
Ignition Switch and Underhood Electrical Center 2
U/H Center 2: ETC and A/C Cruise Fuses
Figure 2:

Cell 34: PCM


Object Number: 307213  Size: FS
Cruise Control Components
Cruise Control System Circuit Description WO/ETC
Cell 34: Instrument Cluster
Fusible Links, IP Fuse Block, and Underhood Electrical Centers
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Center High Mounted Stoplamp Cell 110
Without Traction Control
G100, G101, G102, G109, G111, G202
TCS Retard Signal, VSS Output and VSS Signal