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

Front Wheel Speed Sensors and Park Brake Switch


Object Number: 1781862  Size: LF
(1)Wheel Speed Sensor (WSS)-RF Connector
(2)WSS-RF
(3)Park Brake Switch
(4)WSS-LF Connector
(5)WSS-LF
Figure 2:

Rear Wheel Speed Sensors


Object Number: 1781845  Size: LF
(1)Wheel Speed Sensor (WSS)-RR Connector
(2)C404
(3)Wheel Speed Sensor (WSS)-LR Connector
Figure 3:

Left Rear of Engine Compartment


Object Number: 1760315  Size: LF
(1)Brake Fluid Level Switch
(2)Electronic Brake Control Module (EBCM)
(3)Hill Hold Valve (LAT)
(4)Brake Pressure Sensor (LAT)
(5)Brake Vacuum Sensor (LAT)
Figure 4:

Instrument Panel Components


Object Number: 1781191  Size: LF
(1)Instrument Panel Cluster (IPC)
(2)Windshield Wiper/Washer Switch
(3)I/P Dimmer Control
(4)Hazard Switch
(5)Inflatable Restraint Front Passenger Presence System (PPS) Indicator
(6)Fog Lamp (T96) or Traction Control Switch (NW9)
(7)Ambient Light Sensor
(8)Inflatable Restraint I/P Module
(9)HVAC Control Module
(10)Cigar Lighter (DT4)
(11)Window Switch - Passenger
(12)Heated Seat Switches
(13)Window Switch - Driver
(14)Outside Rearview Mirror Switch (D22/DG7)
(15)Radio
(16)Steering Wheel Control Switch - Right (Radio)
(17)Inflatable Restraint Steering Wheel Module
(18)Steering Wheel Control Switch - Left (Cruise Control)
(19)Turn Signal/Multifunction Switch