GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C Sierra - 2WD 🢒 Body and Accessories 🢒 Body Control System 🢒 Entertainment Component Views
Figure 1:

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 2:

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 3:

RH Door Speaker
Object Number: 327885 Size: MF
(1)RH Door
(2)RH Door Speaker
(3)Speaker Connector (Harness)
Figure 4:

LH Door Speaker
Object Number: 350028 Size: MF
(1)Door Speaker
(2)LH Door (Inner)
(3)Speaker Connector (Harness)
Figure 5:

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 6:

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 7:

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 8:

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 9:

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