GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2003
🢒
LeSabre
🢒 ECM B, ECM I, CLSTR Fuses, and PCM Ground
ECM B, ECM I, CLSTR Fuses, and PCM Ground
ECM B, ECM I, CLSTR Fuses, and PCM Ground
Master Electrical Component List
Powertrain Control Module Description
Data Link Connector (DLC)
OBD II Symbol Description Notice
B+ Bus Bar
ECM I Fuse
MIL, Generator, and Fuel Composition Sensor
Power and Ground
Automatic Transmission Valve Controls
G103 and G105 (2.2 L)
Vehicle Speed Sensor (VSS) Signal