GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
Envoy - 4WD
🢒
Accessories
🢒
Entertainment
🢒 Radio/Audio System Schematics
Figure
1:
Power, Ground, Serial Data and Digital Radio Receiver
Master Electrical Component List
Radio/Audio System Description and Operation
Base Radio w/o Rear Seat Audio
B+ Bus - Rear Fuse Block
Gages
04 S/T Utility Video System Schematics
04 S/T Utility Video System Schematics
04 S/T Utility Video System Schematics
Power, Ground, Data Link Connector, and SP205
G102
Entertainment Schematic Icons
Figure
2:
Base Radio w/o Rear Seat Audio
Master Electrical Component List
Radio/Audio System Description and Operation
Base Radio w/Rear Seat Audio
Power, Ground, Serial Data and Digital Radio Receiver
Entertainment Schematic Icons
Figure
3:
Base Radio w/Rear Seat Audio
Master Electrical Component List
Radio/Audio System Description and Operation
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Class 2 Amplifier w/o Rear Seat Audio Controls
Base Radio w/o Rear Seat Audio
B+ Bus - Rear Fuse Block
LGM/DSM, OH BATT/ONSTAR, RADIO, and HVAC B Fuses
Power, Ground, Data Link Connector, and SP205
G201 - 1 of 2
Entertainment Schematic Icons
Figure
4:
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Class 2 Amplifier w/o Rear Seat Audio Controls
Master Electrical Component List
Radio/Audio System Description and Operation
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Non-Class 2 Amplifier w/o Rear Seat Audio Controls
Base Radio w/Rear Seat Audio
B+ Bus - Rear Fuse Block
Entertainment Schematic Icons
Entertainment Schematic Icons
G102
G401, G402, and G403 - Except XUV
Figure
5:
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Non-Class 2 Amplifier w/o Rear Seat Audio Controls
Master Electrical Component List
Radio/Audio System Description and Operation
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Class 2 Amplifier w/Rear Seat Audio Controls
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Class 2 Amplifier w/o Rear Seat Audio Controls
B+ Bus - Rear Fuse Block
Entertainment Schematic Icons
Entertainment Schematic Icons
G102
G401, G402, and G403 - Except XUV
Figure
6:
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Class 2 Amplifier w/Rear Seat Audio Controls
Master Electrical Component List
Radio/Audio System Description and Operation
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Non-Class 2 Amplifier w/Rear Seat Audio Controls
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Non-Class 2 Amplifier w/o Rear Seat Audio Controls
B+ Bus - Rear Fuse Block
G102
Power, Ground, Data Link Connector, and SP205
G201 - 1 of 2
G401, G402, and G403 - Except XUV
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure
7:
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Non-Class 2 Amplifier w/Rear Seat Audio Controls
Master Electrical Component List
Radio/Audio System Description and Operation
Premium Radio Amplifier Outputs and Noise Reduction Microphone
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Class 2 Amplifier w/Rear Seat Audio Controls
B+ Bus - Rear Fuse Block
G102
Power, Ground, Data Link Connector, and SP205
G201 - 1 of 2
G401, G402, and G403 - Except XUV
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure
8:
Premium Radio Amplifier Outputs and Noise Reduction Microphone
Master Electrical Component List
Radio/Audio System Description and Operation
Steering Wheel Controls
Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Non-Class 2 Amplifier w/o Rear Seat Audio Controls
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
SP306 - Except XUV
SP306 - XUV
Figure
9:
Steering Wheel Controls
Master Electrical Component List
Radio/Audio System Description and Operation
Premium Radio Amplifier Outputs and Noise Reduction Microphone
Rear Wiper/Washer Controls - CD6
Power, Ground, Data Link Connector, and SP205
SIR Caution for Zoning
