GM Service Manual Online
For 1990-2009 cars only

Module Power, Ground, ENG MAIN Relay, Serial Data, and the MIL

Module Power, Ground, ENG MAIN Relay, Serial Data, and the MIL


Object Number: 1373322  Size: FS
Master Electrical Component List
Powertrain Control Module Description
Control Module References
5 Volt References
OBD II Symbol Description Notice
B+ Bussing
PWD WDW, SUNROOF, ABS, ABS PWR, HVAC BLOWER, AUX1 OUTLET, AUX2/CARGO, CIGAR, and ECM/TCM Fuses
Ignition Circuits
BACKUP Fuse, PWR TRAIN Fuse, ENG IGN Fuse and the 10A ABS Fuse
BACKUP Fuse, PWR TRAIN Fuse, ENG IGN Fuse and the 10A ABS Fuse
TURN, BCM, RADIO(IGN), HVAC, and HTD SEATS Fuses
Ignition Circuits
TURN, BCM, RADIO(IGN), HVAC, and HTD SEATS Fuses
TURN, BCM, RADIO(IGN), HVAC, and HTD SEATS Fuses
Data Link Communication Schematic
G103, G105, G107, G109, and G207
Engine Controls Schematic Icons