GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2005
🢒
Century
🢒
Accessories
🢒
Entertainment
🢒 Radio/Audio System Schematics
Figure
1:
Power, Ground, Antenna, and DLC
Master Electrical Component List
Radio/Audio System Description and Operation
Speakers (UQ3/UX7 w/o UK3)
Fuse Block - Underhood BAT 1 Fuse, Fuse Block - I/P RADIO, HVAC, RFA, CLSTR ALDL, BCM PWR, ACCY PWR BUS, RADIO PREM SOUND, and LTR Fuses
Fuse Block - I/P R/LAMPS and INT/ILLUM Fuses
Fuse Block - I/P R/LAMPS and INT/ILLUM Fuses
Fuse Block - Underhood BAT 1 Fuse, Fuse Block - I/P RADIO, HVAC, RFA, CLSTR ALDL, BCM PWR, ACCY PWR BUS, RADIO PREM SOUND, and LTR Fuses
I/P Dimmer Switch, HVAC, and IPC
G203, Page 1 of 2
G203, Page 2 of 2
Inputs and Outputs
Data Link Connector (DLC) Schematics
Figure
2:
Speakers - UQ3/UX7 w/o UK3
Master Electrical Component List
Radio/Audio System Description and Operation
Speakers (UQ3/UX7 w/UK3)
Power, Ground, Antenna, and DLC
Figure
3:
Speakers - UQ3/UX7 w/UK3
Master Electrical Component List
Radio/Audio System Description and Operation
Steering Wheel Controls (UK3)
Speakers (UQ3/UX7 w/o UK3)
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure
4:
Steering Wheel Controls - UK3
Master Electrical Component List
Radio/Audio System Description and Operation
Speakers (UQ3/UX7 w/UK3)
Fuse Block - Underhood BAT 1 Fuse, Fuse Block - I/P RADIO, HVAC, RFA, CLSTR ALDL, BCM PWR, ACCY PWR BUS, RADIO PREM SOUND, and LTR Fuses
Fuse Block - Underhood BAT 1 Fuse, Fuse Block - I/P RADIO, HVAC, RFA, CLSTR ALDL, BCM PWR, ACCY PWR BUS, RADIO PREM SOUND, and LTR Fuses
SIR Caution for Zoning