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

Amplifier (Uplevel)


Object Number: 573981  Size: LF
(1)Instrument Panel Support Bracket
(2)Amplifier
(3)Amplifier Support Bracket
Figure 2:

Left Rear Speaker (Regular Cab) RH Opposite


Object Number: 350033  Size: MF
(1)Speaker Connector (Harness)
(2)LH Body Side Panel
(3)Rear Body Panel
(4)Electrical Connector (Speaker)
(5)LH Rear Speaker
Figure 3:

LH Rear Speaker (Extended Cab)


Object Number: 350029  Size: MF
(1)LH Inner Body Panel
(2)Speaker Connector (Harness)
(3)Electrical Connector (Speaker)
(4)LH Rear Speaker
Figure 4:

RH Door Speaker


Object Number: 327885  Size: MF
(1)RH Door
(2)RH Door Speaker
(3)Speaker Connector (Harness)
Figure 5:

LH Door Speaker


Object Number: 350028  Size: MF
(1)Door Speaker
(2)LH Door (Inner)
(3)Speaker Connector (Harness)
Figure 6:

RH Third Door Speaker


Object Number: 350030  Size: MF
(1)RH Side Body Panel
(2)RH Third Door
(3)RH Door (Rear) Speaker
(4)Speaker Lock Tab
(5)Speaker Connector (Harness)
Figure 7:

LH Front Tweeter Speaker


Object Number: 573977  Size: MF
(1)Side Garnish Molding
(2)Speaker - Tweeter
(3)Instrument Panel Harness Speaker Connector
Figure 8:

Speaker - LH Rear Door (Suburban/Utility)


Object Number: 573978  Size: LF
(1)LH Rear Side Door Panel
(2)Regulator
(3)Speaker, LH
Figure 9:

Speaker- Subwoofer (Suburban/Utility)


Object Number: 573984  Size: LF
(1)Subwoofer
(2)Body Side Inner Panel
Figure 10:

Top Right of the I/P Components


Object Number: 327879  Size: LF
(1)Instrument Panel Carrier
(1)Instrument Panel Carrier
(2)Inline Connector to Mast
(3)Instrument Panel
(3)Instrument Panel
(4)Antenna Wiring
(4)Antenna Wiring
(5)Radio
Figure 11:

Radio Antenna Connections


Object Number: 327881  Size: MF
(1)Instrument Panel
(1)Instrument Panel
(2)AM/FM Stereo
(3)AM/FM Stereo w/Cassette or CD
(4)Antenna Connection
(4)Antenna Connection
(5)Radio Bracket
(5)Radio Bracket
(6)Electrical Harness Radio
(6)Electrical Harness Radio
(7)Antenna Cable
(7)Antenna Cable
Figure 12:

Radio Antenna


Object Number: 327883  Size: MF
(1)Radio Antenna Mast Base
(2)RH Inner Fender
(3)Antenna Cable Pass-Through (Grommet)
(4)Antenna Bracket
Figure 13:

Center of the I/P -- Entertainment Components


Object Number: 327886  Size: LF
(1)Electrical Connectors (Radio)
(2)Instrument Panel
(3)Radio
(4)Electrical Connector (CD)
(5)Remote Playback Device - CD Player
(6)Lower Console
(7)Lower Console Compartment
(8)HVAC and Blower Switch Compartment
(9)Radio Antenna Connector
Figure 14:

Front of the Center Console


Object Number: 656701  Size: MF
(1)Inline Connector-306 (IP Harness Side)
(2)Inline Connector-306 (Front Floor Console Harness Side)
(3)Inline Connector-C249 (IP Harness Side)
(4)Inline Connector-C307 (Uplevel Utility) 0r C340 (Luxury Utility)
(5)Front Floor Console
Figure 15:

Center Console Wiring (1 of 2)


Object Number: 656698  Size: MF
(1)Front Floor Compartment Bezel
(2)Inline Connector-C249
(3)Inline Connector-C340( I/P Harness Side)
(4)Inline Connector-C340 (Rear Console Harness Side)