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

Cell 81: Power, Tachometer, Speedometer, and Fuel Gauges


Object Number: 545066  Size: FS
Instrument Cluster and HUD Components
Instrument Cluster Circuit Description
Cell 81: Engine Coolant Temperature Gauge, ABS
Audible Warnings Schematics
Fuse Block Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cruise Control Schematics
Engine Controls Schematics
Engine Controls Schematics
Power Distribution Schematics
Instrument Cluster: Analog Schematics
Instrument Cluster: Analog Schematics
Figure 2:

Cell 81: Engine Coolant Temperature Gauge, ABS


Object Number: 545068  Size: FS
Instrument Cluster and HUD Components
Instrument Cluster Circuit Description
Cell 81: Telltale Indicators (1 of 3)
Cell 81: Power, Tachometer, Speedometer, and Fuel Gauges
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Instrument Cluster: Analog Schematics
Instrument Cluster: Analog Schematics
Instrument Cluster: Analog Schematics
Figure 3:

Cell 81: Telltale Indicators (1 of 3)


Object Number: 545069  Size: FS
Instrument Cluster and HUD Components
Instrument Cluster Circuit Description
Cell 81: Telltale Indicators (2 of 3)
Cell 81: Engine Coolant Temperature Gauge, ABS
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
SIR Caution
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Instrument Cluster: Analog Schematics
Figure 4:

Cell 81: Telltale Indicators (2 of 3)


Object Number: 545072  Size: FS
Instrument Cluster and HUD Components
Instrument Cluster Circuit Description
Cell 81: Telltale Indicators (3 of 3)
Cell 81: Telltale Indicators (1 of 3)
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Instrument Cluster: Analog Schematics
Instrument Cluster: Analog Schematics
Figure 5:

Cell 81: Telltale Indicators (3 of 3)


Object Number: 545074  Size: FS
Instrument Cluster and HUD Components
Instrument Cluster Circuit Description
Cell 81: Telltale Indicators (2 of 3)
Audible Warnings Schematics
Exterior Lights Schematics
Headlights/Daytime Running Lights (DRL) Schematics
Exterior Lights Schematics
Interior Lights Dimming Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Fuse Block Schematics
Interior Lights Dimming Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics