GM Service Manual Online
For 1990-2009 cars only

Module Power, Ground, Serial Data, MIL

ECM Power, Ground, Serial Data, and MIL


Object Number: 1254350  Size: FS
Master Electrical Component List
Engine Control Module Description
Engine Data Sensors-5 Volt Reference
OBD II Symbol Description Notice
Fuse Block - Underhood Fuses: BCM/ECM/CRUISE/ABS, Cruise Switch, IGN1 and Backup/Turn
Fuse Block - Underhood Fuses: Cooling Fan 2, Cooling Fan 1, ABS1, ABS2, Parklamp
Fuse Block - Underhood Fuses: BCM/ECM/CRUISE/ABS, Cruise Switch, IGN1 and Backup/Turn
Fuse Block - Underhood Fuses: BCM/ECM/CRUISE/ABS, Cruise Switch, IGN1 and Backup/Turn
Indocators
DLC Schematics (3.0L)