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

Power, Ground, Serial Data, Indicator and Stop Lamp Switch - 8600 GVW or Less w/Rear Disc Brakes


Object Number: 1507674  Size: FS
Master Electrical Component List
ABS Description and Operation 8600 GVW or Less W/Rear Disc Brakes
Control Module References
Traction Control Switch and Wheel Speed Sensor - 8600 GVW or Less w/Rear Disc Brakes
B+ Bar Bus
Ignition Switch - START, RUN, and ACC/RUN/START Bus Bars and IGN A and CRANK Fuses
4WD, BRAKE, CRUISE, HTR/AC, HVAC 1, and IGN 3 Fuses
Manual Transmission NV 3500
Manual Transmission NV 4500
4.3L
4.8L, 5.3L 6.0L, and 8.1L
G104, G106, G107 and G110
Power, Ground, DLC and Splice Pack SP 205
Power, Ground, Serial Data, Indicator Control, and Switches
Figure 2:

Traction Control Switch and Wheel Speed Sensor - 8600 GVW or Less w/Rear Disc Brakes


Object Number: 1507700  Size: FS
Master Electrical Component List
ABS Description and Operation 8600 GVW or Less W/Rear Disc Brakes
Control Module References
Power, Ground, Serial Data, Indicator and Stop Lamp Switch - Over 8600 GVW or Rear Drum Brakes
Power, Ground, Serial Data, Indicator and Stop Lamp Switch - 8600 GVW or Less w/Rear Disc Brakes
Ignition Switch - START, RUN, and ACC/RUN/START Bus Bars and IGN A and CRANK Fuses
4WD, BRAKE, CRUISE, HTR/AC, HVAC 1, and IGN 3 Fuses
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Transfer Case Control Schematics NP2
I/P Lamps Dimming Control Supply - 1 of 3
G203 - 1 of 2
Figure 3:

Power, Ground, Serial Data, Indicator and Stop Lamp Switch - Over 8600 GVW or Rear Drum Brakes


Object Number: 1507707  Size: FS
Master Electrical Component List
ABS Description and Operation Over 8600 GVW or Rear Drum Brakes
Control Module References
Traction Control Switch and Wheel Speed Sensors - Over 8600 GVW or Rear Drum Brakes
Traction Control Switch and Wheel Speed Sensor - 8600 GVW or Less w/Rear Disc Brakes
B+ Bar Bus
Ignition Switch - START, RUN, and ACC/RUN/START Bus Bars and IGN A and CRANK Fuses
4WD, BRAKE, CRUISE, HTR/AC, HVAC 1, and IGN 3 Fuses
Diesel
4.8L, 5.3L 6.0L, and 8.1L
Manual Transmission NV 4500
Manual Transmission ZF S6-650
G104, G106, G107 and G110
Power, Ground, DLC and Splice Pack SP 205
Power, Ground, Serial Data, Indicator Control, and Switches
Figure 4:

Traction Control Switch and Wheel Speed Sensors - Over 8600 GVW or Rear Drum Brakes


Object Number: 1507709  Size: FS
Master Electrical Component List
ABS Description and Operation Over 8600 GVW or Rear Drum Brakes
Control Module References
Power, Ground, Serial Data, Indicator and Stop Lamp Switch - Over 8600 GVW or Rear Drum Brakes
Ignition Switch - START, RUN, and ACC/RUN/START Bus Bars and IGN A and CRANK Fuses
4WD, BRAKE, CRUISE, HTR/AC, HVAC 1, and IGN 3 Fuses
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Transfer Case Control Schematics NP2
I/P Lamps Dimming Control Supply - 1 of 3
G203 - 1 of 2