GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2003
🢒
Century
🢒 Power, Ground, MIL, DLC
Power, Ground, MIL, DLC
Power, Ground, MIL, DLC
RAP Relay Junction Block - Underhood, ECM SENSE, B/U LAMP, ALT/SENSE and AIR Fuses
IGN 1, SDM, T/SIG, CRUISE and PCM PASS KEY/CLUSTER Fuses
IGN 1, SDM, T/SIG, CRUISE and PCM PASS KEY/CLUSTER Fuses
BATT MAIN 1, CLUSTER BATT, RR PWR SCKT, PWR LOCK, RAP RELAY, CTSY LAMP, CTSY LAMP, ONSTAR, CIGAR DLC/APO FRT, and PWR MIRROR Fuses
IGN 1, SDM, T/SIG, CRUISE and PCM PASS KEY/CLUSTER Fuses
IGN 1, SDM, T/SIG, CRUISE and PCM PASS KEY/CLUSTER Fuses
Hardwire Indicators
BATT MAIN 1, CLUSTER BATT, RR PWR SCKT, PWR LOCK, RAP RELAY, CTSY LAMP, CTSY LAMP, ONSTAR, CIGAR DLC/APO FRT, and PWR MIRROR Fuses
G100, G111 and G113
G200 (3 of 3)
G200 (3 of 3)
Data Link Connector (DLC)
Master Electrical Component List
Powertrain Control Module Description
Ignition System, Knock Sensor
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views