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

Front Bottom of Vehicle


Object Number: 826951  Size: LF
(1)Inflatable Restraint Front End Discriminating Sensor Connector
(2)Inflatable Restraint Front End Discriminating Sensor (AJ3/AK5)
(3)Horns
Figure 2:

On The Steering Wheel/Column


Object Number: 826812  Size: LF
(1)Turn Signal/Multifunction Switch (Cruise Control ON/OFF, Resume/Accel and Set/Coast Switches (K34), Headlamp Dimmer Switch, Turn Signal Switch, Windshield Wiper and Windshield Washer Switches)
(2)Horn Switch Ground Contact