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

Power, Ground, and Class 2


Object Number: 711032  Size: FS
Master Electrical Component List
IGN 1, VENT SOL, and SIR Fuses (Fuse Block - Rear)
Class 2 Serial Data
G200
G200
IGN 1, VENT SOL, and SIR Fuses (Fuse Block - Rear)
G201 (1 of 2)
G201 (1 of 2)
IP, CIGAR Fuses and the CIGAR Relay (Fuse Block - Rear)
PCM Signals - Speedometer, Tachometer, and Fuel Indicators
IP, CIGAR Fuses and the CIGAR Relay (Fuse Block - Rear)
Figure 2:

PCM Signals -- Speedometer, Tachometer, and Fuel Indicators


Object Number: 711035  Size: FS
Master Electrical Component List
VSS Signals
Fuel Sensor and EVAP Solenoid Controls
Class 2 Serial Data
PCM Signals - Boost, Engine Oil, and Volt Indicators
Power, Ground, and Class 2
Figure 3:

PCM Signals -- Boost, Engine Oil, and Volt Indicators


Object Number: 711037  Size: FS
Master Electrical Component List
Class 2 Serial Data
DIM, PCM, and EBCM Signals - Traction, ABS, Brake, Battery, and MIL Indicators
PCM Signals - Speedometer, Tachometer, and Fuel Indicators
Figure 4:

DIM, PCM, and EBCM Signals -- Traction, ABS, Brake, Battery, and MIL Indicators


Object Number: 711038  Size: FS
Master Electrical Component List
IGN 1, VENT SOL, and SIR Fuses (Fuse Block - Rear)
Traction Control Switch (NW9) and ABS Indicators
Brake Warning System Schematic
Brake Warning System Schematic
IGN 1, VENT SOL, and SIR Fuses (Fuse Block - Rear)
MIL Control, Ignition Switch, and PCM Power/Ground
DIM, RIM, PCM, and VTD Signals - Seat Belt, High Beam, Air Bag, Theft, and Turn Signal Indicators
PCM Signals - Boost, Engine Oil, and Volt Indicators
Figure 5:

DIM, RIM, PCM, and VTD Signals -- Seat Belt, High Beam, Air Bag, Theft, and Turn Signal Indicators


Object Number: 711040  Size: FS
Master Electrical Component List
Indicators - VTD and CTD
Turn Signal Lamps and Indicators
Systems Monitor - Washer Fluid, Check Oil Level, Check Gauges, Tire Pressure, Door, and Trunk Ajar Indicators
DIM, PCM, and EBCM Signals - Traction, ABS, Brake, Battery, and MIL Indicators
Figure 6:

Systems Monitor -- Washer Fluid, Check Oil Level, Check Gauges, Tire Pressure, Door, and Trunk Ajar Indicators


Object Number: 711043  Size: FS
Master Electrical Component List
Motors
Compass
DIM, RIM, PCM, and VTD Signals - Seat Belt, High Beam, Air Bag, Theft, and Turn Signal Indicators
Figure 7:

DIC Switch (w/U50)


Object Number: 711045  Size: FS
Master Electrical Component List
Class 2 Serial Data
G104 and G105
IP and Console Lamp Dimming
G201 (1 of 2)
G201 (1 of 2)
DIC Switch (w/U2F)
Compass
Figure 8:

DIC Switch (w/U2F)


Object Number: 711046  Size: FS
Master Electrical Component List
Class 2 Serial Data
IP and Console Lamp Dimming
G201 (1 of 2)
G201 (1 of 2)
DIC Switch (w/U50)
Figure 9:

Compass


Object Number: 711047  Size: FS
Master Electrical Component List
IGN 3 and ABS Fuses (Fuse Block - Rear)
IGN 3 and ABS Fuses (Fuse Block - Rear)
G302
DIC Switch (w/U50)
Systems Monitor - Washer Fluid, Check Oil Level, Check Gauges, Tire Pressure, Door, and Trunk Ajar Indicators