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

Left Center of Engine Compartment


Object Number: 732595  Size: LF
(1)C101
(2)G151
(3)A/C Refrigerant Pressure Sensor
(4)C113
(5)Electronic Brake Control Module (EBCM)
(6)Cruise Control Module (CCM)
Figure 2:

Lower Center of Instrument Panel (w/o 9C1/9C3)


Object Number: 487935  Size: LF
(1)G203
(2)Inflatable Restraint Steering Wheel Module Coil Connector C1
(3)Data Link Connector (DLC)
(4)C201
(5)Stop Lamp Switch Connectors
(6)Cruise Control Release Switch Connector
(7)Cruise Control Release Switch
(8)G201
Figure 3:

Turn Signal/Multifunction Switch (Impala)


Object Number: 626774  Size: LF
(1)Turn Signal/Malfunction Switch
(2)Wiper Switch
(3)Washer Switch
(4)Cruise Control ON/OFF Switch
Figure 4:

Steering Wheel (Impala)


Object Number: 507620  Size: LF
(1)Turn Signal/Multifunction Switch
(2)Inflatable Restraint Steering Wheel Module Coil Connector C5
(3)Steering Wheel Controls-Right (Radio)
(4)Steering Wheel Controls-Right (Cruise Control)
(5)Inflatable Restraint Steering Wheel Module Coil Connector
(6)Inflatable Restraint Steering Wheel Module
(7)Horn Switch Spring Loaded Contact
Figure 5:

Steering Wheel (Monte Carlo)


Object Number: 507621  Size: LF
(1)Turn Signal/Multifunction Switch
(2)Inflatable Restraint Steering Wheel Module Coil Connector C5
(3)Steering Wheel Controls-Right (Radio)
(4)Steering Wheel Controls-Right (Cruise Control)
(5)Inflatable Restraint Steering Wheel Module Coil Connector
(6)Inflatable Restraint Steering Wheel Module
(7)Horn Switch Spring Loaded Contact