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

Power, PCM, Odometer Reset Switch, Turn Signals and Class 2 Indicators


Object Number: 527108  Size: FS
Instrument Cluster Components
Instrument Cluster Circuit Description
Class 2 Controlled Indicators
Exterior Lights Schematics
Power Distribution Schematics
Body Control System Schematics
Interior Lights Dimming Schematics
Data Link Connector Schematics
Ground Distribution Schematics
Figure 2:

Class 2 Controlled Indicators


Object Number: 527113  Size: FS
Instrument Cluster Components
Instrument Cluster Circuit Description
Class 2 Controlled Indicators, Ground
Power, PCM, Odometer Reset Switch, Turn Signals and Class 2 Indicators
Figure 3:

Class 2 Controlled Indicators, Ground


Object Number: 527112  Size: FS
Instrument Cluster Components
Instrument Cluster Circuit Description
Power, PCM, Odometer Reset Switch, Turn Signals and Class 2 Indicators
Data Link Connector Schematics
Power Distribution Schematics
Ground Distribution Schematics