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

Powertrain Control Module (PCM)


Object Number: 795901  Size: MF
(1)Powertrain Control Module (PCM)
(2)Cruise Control Module (CCM)
(3) Powertrain Control Module (PCM) Electrical Connectors
Figure 2:

Below the Left Side of the IP, Near the Steering Column


Object Number: 409957  Size: LF
(1)Cruise Control Brake Switch
(2)Dash Harness
(3)Stop Lamp Switch
(4)Brake Pedal
Figure 3:

Steering Column Components


Object Number: 600090  Size: LF
(1)Wiper/Washer Switch Connector
(2)Passlockā„¢ Sensor Connector
(3)Hazard Flasher Switch
(4)Wiper/Washer Switch
(5)Turn Signal/Multifunction Switch
(6)Turn Signal/Multifunction Switch Connectors
(7)Cruise Control ON/OFF Switch Connector