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

Cell 81: Power Distribution, PCM, VSS, ECT


Object Number: 522950  Size: FS
Instrument Cluster Components
Instrument Cluster Circuit Description
Cell 81: ABS, BRAKE, AIR BAG and LOW COOLANT Indicator Controls
Handling ESD Sensitive Parts Notice
Fuse Block Schematics
Power Distribution Schematics
Engine Controls Schematics
Engine Controls Schematics
Figure 2:

Cell 81: ABS, BRAKE, AIR BAG and LOW COOLANT Indicator Controls


Object Number: 522957  Size: FS
Instrument Cluster Components
Instrument Cluster Circuit Description
Cell 81: Engine-Related Indicators
Cell 81: Power Distribution, PCM, VSS, ECT
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
SIR Caution
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 3:

Cell 81: Engine-Related Indicators


Object Number: 523043  Size: FS
Instrument Cluster Components
Instrument Cluster Circuit Description
Cell 81: ABS, BRAKE, AIR BAG and LOW COOLANT Indicator Controls
Cell 81: Lighting-Related Indicators and Dimming
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
Figure 4:

Cell 81: Lighting-Related Indicators and Dimming


Object Number: 523069  Size: FS
Instrument Cluster Components
Instrument Cluster Circuit Description
Cell 81: Engine-Related Indicators
Cell 81: Power and Ground Distribution, VSS
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Interior Lights Dimming Schematics
Exterior Lights Schematics
Exterior Lights Schematics
Audible Warnings Schematics