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

Doors (RF Shown, LF Similar)


Object Number: 396755  Size: MF
(1)Radio Speaker, Front Side Door, RH
(2)C601 (RH), C500 (LH)
(3)C501 (LH)
(4)P600 (RH), P500 (LH)
Figure 2:

IP Wiring Harness, Speaker Connectors


Object Number: 396760  Size: MF
(1)Radio Speaker, Front RH Connector (Base)
(2)Radio Speaker, Front LH Connector (Base)
(3)IP Fuse Block Connector (Pickup)
(4)IP Fuse Block Connector (Utility)
(5)Radio Speaker, Front LH Connector (Uplevel)
(6)Radio Speaker, Front RH Connector (Uplevel)
Figure 3:

IP Wiring to Radio


Object Number: 396761  Size: MF
(1)Radio
(2)Radio Antenna Connector
(3)Radio Connector C3 (Chevy/GMC), or Radio Connector (Bravada)
(4)Radio Connector C2
(5)Radio Connector C1
Figure 4:

Radio Antenna Cable


Object Number: 396762  Size: MF
(1)Radio Antenna
(2)Radio Antenna Cable
Figure 5:

Rear Door Details (RH Shown, LH Similar) -- 2 and 4-Door Utility


Object Number: 396763  Size: MF
(1)S307 (RH), S306 (LH) (4-Door)
(2)Radio Speaker, RR (2-Door)
(3)S305 (RH), S308 (LH) (4-Door)
Figure 6:

Rear Door Wiring Harness (RH Shown, LH Similar)


Object Number: 396764  Size: MF
(1)Door, RH Rear
(2)Radio Speaker, Rear Side Door, RH
Figure 7:

Rear Speakers (Extended Cab Pickup)


Object Number: 396765  Size: MF
(1)Radio Speaker, RR
(2)Radio Speaker, LR
Figure 8:

Remote Audio Player and Amplifier


Object Number: 396766  Size: MF
(1)Remote Tape/CD Player (6 Disc CD) (Except Envoy)
(2)Amplifier
(3)Radio Speaker Amplifier Connector C2
(4)Radio Speaker Amplifier Connector C1
(5)S350 (Envoy)
(6)Remote Tape/CD Player Connector
Figure 9:

Remote Tape/CD Player Jumper Harness


Object Number: 396768  Size: MF
(1)Floor Console
(2)Remote Tape/CD Player (Tape w/Uplevel Audio, CD w/Envoy)
Figure 10:

Steering Wheel Controls


Object Number: 616238  Size: MF
(1)Steering Wheel Controls