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

Power, Ground, Serial Data and Message Center


Object Number: 1527703  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators
BATT 1, BCML, HUD, HZD FL, INKEY, IP MDL, RADIO, and RD AMP Fuses
Ignition Switch - ACCY/RUN/START, RUN, and START Bus Bars and BLWR, IGN0, and KEY SOL Fuses
Windshield Wiper/Washer
B+ Bus 1 of 2
G202
G202
Data Link Connector (DLC)
Figure 2:

Indicators


Object Number: 1500931  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages - 3.4L
Power, Ground, Serial Data and Message Center
Panel Lamps - Pontiac, Page 2 of 2
Park Lamps - Buick (Late Production)
Park Lamps - Buick (Late Production)
G201
Brake Warning System Schematics
Power, DLC, Ground and MIL
Figure 3:

Engine Oil Pressure (EOP) Sensor, Engine Oil Level Sensor and Indicator


Object Number: 1545575  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Driver Information Center (DIC)
Indicators
Fuel Controls - Fuel Pump and Injectors
Data Link Connector (DLC)
Figure 4:

Gages - 3.4L


Object Number: 1500934  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Driver Information Center (DIC)
Indicators
Fuel Controls - Fuel Pump and Injectors
Data Link Connector (DLC)
Figure 5:

Gages - 3.6L


Object Number: 1545573  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Driver Information Center (DIC)
Indicators
Fuel Controls - Fuel Pump and Injectors
Data Link Connector (DLC)
Figure 6:

Driver Information Center (DIC)


Object Number: 1500937  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages - 3.4L
G202
G202