GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2003
🢒
Regal
🢒 Power, Ground, and DLC
Power, Ground, and DLC
Power, Ground, and DLC
Master Electrical Component List
Radio/Audio System Description and Operation
Speakers - UQ3/UX7
Fuse Block-Underhood IGN 2 Fuse
Fuse Block-Underhood Batt 1 Fuse, Fuse Block-I/P RADIO, HVAC, RFA CLUSTER, DATA LINK, BCM PWR, INADV POWER BUS, RADIO PREM SOUND, and CIGAR LTR Fuses
Fuse Block-I/P TAIL LAMPS, LIC LAMPS, and PANEL DIMMING Fuses
Fuse Block-I/P WIPER, BCM ACC, POWER DROP, RADIO, and STRG WHL CONT Fuses
Fuse Block-I/P TAIL LAMPS, LIC LAMPS, and PANEL DIMMING Fuses
Fuse Block-Underhood Batt 1 Fuse, Fuse Block-I/P RADIO, HVAC, RFA CLUSTER, DATA LINK, BCM PWR, INADV POWER BUS, RADIO PREM SOUND, and CIGAR LTR Fuses
I/P Dimmer Switch, HVAC, and IPC
Data Link Connector (DLC) Schematics
G203, Page 2 of 2
Inputs and Outputs