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

RH Side of Steering Column


Object Number: 447156  Size: LF
(1)I/P Harness
(2)Shock Sensor, Sensitivity Adjustment
(3)Shock Sensor
Figure 2:

Security Indicator Lamp


Object Number: 625820  Size: LF
(1)Daytime Running Lamp (DRL) Ambient Light Sensor
(2)Theft LED