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

Power, Ground, IPC, PCM


Object Number: 489069  Size: FS
Automatic Transmission Components
CIGAR Fuse, BCM, PCM, DLC, G103, G203
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Instrument Cluster: Analog Schematics
Power Distribution Schematics
Figure 2:

CIGAR Fuse, BCM, PCM, DLC, G103, G203


Object Number: 489071  Size: FS
Automatic Transmission Components
4L80-E Solenoids, Stoplamp Switch, PCM
Power, Ground, IPC, PCM
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Data Link Connector Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Figure 3:

4L80-E Solenoids, Stoplamp Switch, PCM


Object Number: 489194  Size: FS
Automatic Transmission Components
4L80-E Switches, Input Speed Sensor, TFT Sensor
CIGAR Fuse, BCM, PCM, DLC, G103, G203
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Power Distribution Schematics
Cruise Control Schematics
Figure 4:

4L80-E Switchs, Input Speed Sensor, TFT Sensor


Object Number: 489195  Size: FS
Automatic Transmission Components
Park/Neutral Switch, Tow/Haul Switch, BCM, G203, G103
4L80-E Solenoids, Stoplamp Switch, PCM
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 5:

Park/Neutral Switch, Tow/Haul Switch, BCM, G203, G103


Object Number: 489196  Size: FS
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Data Link Connector Schematics
Automatic Transmission Components
VSS Circuit, EBCM, BCM, PCM, IPC
4L80-E Switches, Input Speed Sensor, TFT Sensor
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Figure 6:

VSS Circuit, EBCM, BCM, PCM, IPC


Object Number: 489140  Size: FS
Automatic Transmission Components
Park/Neutral Switch, Tow/Haul Switch, BCM, G203, G103
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice