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

Center of Instrument Panel


Object Number: 591937  Size: LF
(1)Radio
(2)Radio Connector
(3)Radio Antenna Connector
Figure 2:

Antenna Cable


Object Number: 581267  Size: LF
(1)Radio
(2)C290
Figure 3:

Steering Wheel Component View


Object Number: 389029  Size: LF
(1)Cruise Control Switch
(2)Turn Signal and Headlamp Dimmer and Windshield Wiper/Washer Switch
(3)Inflatable Restriant Steering Wheel Module Coil
(4)Radio Control Switches Connector
(5)Inflatable Restraint Steering Wheel Module Coil Connector
(6)Inflatable Restraint Steering Wheel Module
(7)Horn Switch B+ Connector
(8)Horn Switch Ground Connector
(9)Radio Control Switch
Figure 4:

Front Windshield Antenna (RPO UV7)


Object Number: 581293  Size: LF
(1)Front Windshield Radio Antenna Ground Connections
(2)Front Windshield Radio Antenna Cable Connection
Figure 5:

Lower Leading Edge of Front Door (UQ3)


Object Number: 591938  Size: LF
(1)Front Radio Speaker - Tweeter
(2)Front Radio Speaker - Midrange
(3)Front Radio Speaker
Figure 6:

Top Right Side of Rear Window


Object Number: 591942  Size: LF
(1)Radio Antenna Module (U77)
(2)Rear Window Defogger/Antenna Module Grid Connection (U77)
(3)C399
Figure 7:

Rear Compartment Antenna Cable


Object Number: 581298  Size: LF
(1)C390
Figure 8:

Lower Leading Edge of Front Door (U85)


Object Number: 591940  Size: LF
(1)Front Radio Speaker Connector - Tweeter
(2)Front Radio Speaker Connector - Midrange
(3)Front Radio Speaker
Figure 9:

Rear Compartment Below Rear Deck (RPO U85)


Object Number: 388932  Size: LF
(1)Low Frequency Audio Amplifier Connector
(2)Low Frequency Audio Amplifier
Figure 10:

Bose® Speaker (w/ RPO U85 Only) -- LH Side of Rear Window Panel (RH Side Similar)


Object Number: 305360  Size: LF
(1)Radio Rear Bose® Speaker
(2)Rear Window Panel
(3)Body Wiring Harness
Figure 11:

Left Front Door


Object Number: 389002  Size: LF
(1)Radio Front Door Speaker
(2)Radio Front Door Speaker Connector
(3)Door Courtesy Lamp
(4)Door Courtesy Lamp Connector