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

Floor Shifter Harness Connections


Object Number: 357184  Size: MF
(1)A/T Shift Lock Control Solenoid and Connector
(2)A/T 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 (PNP) Switch Connector C2
(3)PNP Switch Connector C1
(4)Heated Oxygen Sensor (HO2S) Bank 1, Sensor 1 Connector
(5)HO2S 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 Module