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: 1570439  Size: FS
Master Electrical Component List
ABS Description and Operation (8600 GVW or Less W/Rear Disc Brake)
Control Module References
Traction Control Switch and Wheel Speed Sensors - 8600 GVW or less w/Rear Disc Brakes
B+ Bus Bar
Ignition Switch - START, RUN, and ACC/RUN/START BUS BARS, IGN A and CRNK Fuses
4WD, BRK, CRUISE, HTR/AC and HVAC 1 Fuses
4.3L
4.8L, 5.3L, 6.0L, and 8.1L
Manual Transmission - NV3500
Manual Transmission - NV4500
G104, G107, and G110
Power, Ground, DLC, and Splice Pack SP205
Power, Ground, Serial Data, Indicator Control, and Switches
Figure 2:

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


Object Number: 1570442  Size: FS
Master Electrical Component List
ABS Description and Operation (8600 GVW or Less W/Rear Disc Brake)
Control Module References
Power, Ground, Serial Data, Indicator, and Stop Lamp Switch - Greater than 8600 GVW or w/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, IGN A and CRNK Fuses
4WD, BRK, CRUISE, HTR/AC and HVAC 1 Fuses
G104, G107, and G110
I/P Lamps Dimming Control Supply - 1 of 3
G203 - 1 of 2
Figure 3:

Power, Ground, Serial Data, Indicator, and Stop Lamp Switch - Greater than 8600 GVW or w/Rear Drum Brakes


Object Number: 1570444  Size: FS
Master Electrical Component List
ABS Description and Operation (8600 GVW or Less W/Rear Disc Brake)
Control Module References
Traction Control Switch and Wheel Speed Sensors - Greater than 8600 GVW or w/Rear Drum Brakes
Traction Control Switch and Wheel Speed Sensors - 8600 GVW or less w/Rear Disc Brakes
B+ Bus Bar
Ignition Switch - START, RUN, and ACC/RUN/START BUS BARS, IGN A and CRNK Fuses
4WD, BRK, CRUISE, HTR/AC and HVAC 1 Fuses
Diesel
4.8L, 5.3L, 6.0L, and 8.1L
Manual Transmission - NV4500
Manual Transmission - ZF56-650
G104, G107, and G110
Power, Ground, DLC, and Splice Pack SP205
Power, Ground, Serial Data, Indicator Control, and Switches
Figure 4:

Traction Control Switch and Wheel Speed Sensors - Greater than 8600 GVW or w/Rear Drum Brakes


Object Number: 1570450  Size: FS
Master Electrical Component List
ABS Description and Operation (8600 GVW or Less W/Rear Disc Brake)
Control Module References
Power, Ground, Serial Data, Indicator, and Stop Lamp Switch - Greater than 8600 GVW or w/Rear Drum Brakes
Ignition Switch - START, RUN, and ACC/RUN/START BUS BARS, IGN A and CRNK Fuses
4WD, BRK, CRUISE, HTR/AC and HVAC 1 Fuses
G104, G107, and G110
I/P Lamps Dimming Control Supply - 1 of 3
G203 - 1 of 2