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

Floor Shifter Harness Connections


Object Number: 357184  Size: MF
(1)Automatic Transmission Shift Lock Solenoid and Connector
(2)Automatic Transmission Shift Lock Connector
(3)Floor Shifter
(4)Park Switch and Connector
Figure 2:

Park/Neutral Position (PNP) Switch Connector


Object Number: 206877  Size: LF
(1)Connector C104 (Engine Harness to Chassis Harness)
(2)Park//Neutral Position Switch Connector C2
(3)Park/Neutral Position Switch Connector C1
(4)Connector C105 (Engine Harness to LH Front Heated Oxygen Sensor Harness)
(5)Heated Oxygen Sensor, LH Front (Bank 1, Sensor 1)
Figure 3:

SIR Steering Wheel Module and Coil


Object Number: 357153  Size: MF
(1)Multifunction Switch
(2)Horn Switch
(3)Supplemental Inflatable Restraint Steering Wheel