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

Speakers


Object Number: 801198  Size: LF
(1)Speaker Connector-Rear (Subwoofer) (w/U57)
(2)Speaker-Rear (Subwoofer) (w/U57)
(3)Rear Shelf Carrier
(4)Door-RR, LR Similar
(5)Door Speaker Connector-RR, LR Similar
(6)Door Speaker-RR, LR Similar
(7)Door Speaker-RF (Midrange)
(8)Door Speaker Connector-RF (Midrange)
(9)Door-RF -LF Similar
(10)Sunload Sensor Assmebly
(11)Defroster Grille
(12)Speaker-Front (Midrange)
Figure 2:

Antennas


Object Number: 801200  Size: LF
(1)Radio Antenna Module Snap Connector
(2)Radio Antenna Module Snap Connectors C2 and C3
(3)Radio Antenna Module C1
(4)Radio Antenna Module
(5)Radio Antenna Module Coax Connection to the Rear Window Antenna
(6)Radio Antenna Module Coax Connection to the Radio
(7)Upper Speaker Connector-LF, RF Similar
(8)Upper Speaker-LF , RF Similar
(9)Driver Windshield Pillar Trim (pulled away from the pillar)
Figure 3:

Radio and Amplifier


Object Number: 801201  Size: LF
(1)Radio
(2)Amplifier Connectors (w/UX80
(3)Amplifier (w/UX8)
(4)Amplifier C3 (w/UX8)
(5)Electrical Harness Pass-through
(6)Amplifier (w/U57)
(7)Amplifier Connectors (w/U57)
(8)Amplifier C3 (w/U57)
(9)Speaker-Rear (Subwoofer) (w/U57)
(10)T.V. Tuner
(11)Traffic Information Receiver
(12)T.V. Tuner Amplifiers