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

Wheel Speed Sensors


Object Number: 1266782  Size: MF
(1)Wheel Speed Sensor (WSS) - LF
(2)Wheel Speed Sensor (WSS) - RF
(3)Wheel Speed Sensor (WSS) - RR
(4)Wheel Speed Sensor (WSS) - LR
Figure 2:

Left Rear of Engine Compartment


Object Number: 1264030  Size: MF
(1)Coolant Level Switch
(2)Battery
(3)Electronic Brake Control Module (EBCM)
(4)C101
(5)G103
(6)Fuse Block - Underhood
(7)Powertrain Control Module (PCM)
(8)Powertrain Control Module (PCM), C3
(9)Powertrain Control Module (PCM), C2
(10)Powertrain Control Module (PCM), C1
Figure 3:

Left Front of Floor Console


Object Number: 1263995  Size: MF
(1)C214
(2)Cigar Lighter
(3)Traction Control Switch (NW7/NW9) or Auxiliary Power Outlet - Front (w/o NW7/NW9)