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

Left Rear Side of Engine Compartment


Object Number: 514098  Size: LF
(1)A/C Pressure Switch
(2)A/C Pressure Switch Connector
(3)Electronic Brake Control Module (EBCM) Connector
(4)Brake Module
(5)Brake Fluid Modulator
Figure 2:

Traction Control Switch (w/ RPO NW9)Comploc View


Object Number: 571265  Size: LF
(1)Electronic Traction Control Switch Connector
(2)Electronic Traction Control Switch
Figure 3:

Center Right Side of Floor Console (2 Door)


Object Number: 514099  Size: LF
(1)Electronic Traction Control Switch
(2)Electronic Traction Control Switch Connector
Figure 4:

Left Front Wheel Shown, (RF Similar)


Object Number: 498213  Size: LF
(1)LF Wheel Speed Sensor