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

Power, Ground and Class 2


Object Number: 1441300  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Gages
OXY SEN and SBM LCM Fuses
CRK, PCM/CRU and SBM Fuses
CRK, PCM/CRU and SBM Fuses
OXY SEN and SBM LCM Fuses
OXY SEN and SBM LCM Fuses
CRK, PCM/CRU and SBM Fuses
BAT 1, RRINMDL, C/LTR, DRVMDL, HTDST L, TRK REL, PDM, SBM and CSTR/SBM Fuses
HVAC and A/C Fuses
BAT 1, RRINMDL, C/LTR, DRVMDL, HTDST L, TRK REL, PDM, SBM and CSTR/SBM Fuses
G202 - 4 of 4
Class 2 Serial Data Lines
Figure 2:

Gages


Object Number: 1441301  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Indicators
Power, Ground and Class 2
Head Up Display Schematics
Brake Pedal Switches and Indicator
Power and Ground
Class 2 Serial Data Lines
Figure 3:

Indicators


Object Number: 660882  Size: FS
Master Electrical Component List
Audible Warnings Description and Operation
Driver Information Center
Gages
Battery Feed to Left and Right Underhood Fuse Blocks
OXY SEN and SBM LCM Fuses
OXY SEN and SBM LCM Fuses
CRK, PCM/CRU and SBM Fuses
CRK, PCM/CRU and SBM Fuses
CRK, PCM/CRU and SBM Fuses
BAT 1, RRINMDL, C/LTR, DRVMDL, HTDST L, TRK REL, PDM, SBM and CSTR/SBM Fuses
Seat Belt Schematics
Module Power, Ground, Serial Data, and MIL
Power, Ground, and Serial Data Lines
Content Theft Deterrent (CTD) System
Fuel Controls - Fuel Pump and Supercharger Controls
Figure 4:

Driver Information Center


Object Number: 1441306  Size: FS
Master Electrical Component List
Audible Warnings Description and Operation
Indicators
Class 2 Serial Data Lines
Engine Data Sensors - 5-Volt and Low Reference
G100, G101, G102, and G103
G202 - 4 of 4