GM Service Manual Online
For 1990-2009 cars only

Power, Ground, MIL, and Serial Data

Power, Ground, Serial Data, MIL and Indicators


Object Number: 1500049  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Underhood Fuse Block Main Relay 1 of 2
OBD II Symbol Description Notice
ABSMTR, ABS SOL, BCM, DVD, ECM (3.6L), FRT AUX, PCM (3.4L), S BAND, and VENT SOL Fuses
ABS, AWD, ECM IGN1, TRANS Fuses and IGNITION Relay - 3.6L
B+ Bus 2 of 2
B+ Bus 2 of 2
B+ Bus 2 of 2
ABS, AWD, ECM IGN1, TRANS Fuses and IGNITION Relay - 3.6L
G132 - LY7 and G111
Ignition Switch - ACCY/RUN/START, RUN, and START Bus Bars and BLWR, IGN0, and KEY SOL Fuses
G132 - LY7 and G111
Engine Controls Schematic Icons
TCM Power, Grounds and Serial Data - 3.6L
Data Link Connector (DLC)
G132 - LY7 and G111
G132 - LY7 and G111