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

Four Wheel Drive Switch Component View


Object Number: 419240  Size: LF
(1)Four Wheel Drive Switch
(2)Transfer Case
Figure 2:

Front Wheel Speed Sensor Component View


Object Number: 419248  Size: MF
(1)Steering Knuckle
(2)Front Wheel Speed Sensor
(3)Front Brake Rotor
Figure 3:

EBCM/BPMV Assembly Component View


Object Number: 622806  Size: LF
(1)Brake Pressure Modulator Valve (BPMV)
(2)Electronic Brake Control Module (EBCM)
(3)Proportioning Valve
(4)Master Cylinder
Figure 4:

Accelerometer Component View


Object Number: 419256  Size: MF
(1)Transmission Tunnel
(2)Accelerometer Connector
(3)Accelerometer
Figure 5:

Rear Wheel Speed Sensor Component View


Object Number: 419258  Size: MF
(1)Rear Brake Drum
(2)Rear Wheel Speed Sensor
(3)Rear Axle Housing