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

Generator and Battery


Object Number: 482240  Size: FS
Engine Electrical Components
Charging System Circuit Description
Starter Solenoid Controls
Serial Data Class 2 (1 of 3)
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Serial Data Class 2 (1 of 3)
Rear Fuse Block Battery Voltage
Handling ESD Sensitive Parts Notice
Underhood Fuse Block Battery Voltage
Figure 2:

Starter Solenoid Controls


Object Number: 482233  Size: FS
Engine Electrical Components
Starting System Circuit Description
Generator and Battery
START Circuit Breaker, PCM IGN and IGN1 Fuses
Underhood Fuse Block Battery Voltage
Rear Fuse Block Battery Voltage
Serial Data Class 2 (1 of 3)
G300, G303, G304, G306
Handling ESD Sensitive Parts Notice