GM Service Manual Online
For 1990-2009 cars only

Module Power, Ground, Serial Data and MIL

Module Power, Ground, Serial Data and MIL


Object Number: 1396648  Size: FS
Master Electrical Component List
Powertrain Control Module Description
Control Module References
Engine Data Sensors - 5 Volt and Low Reference
OBD II Symbol Description Notice
B+ Bus - Underhood Fuse Block
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
BTSI, BTSI/BU, O2A, O2B, PCM IGN 1, SPARE and TRLR BU Fuses
BRKS, CRANK, FR WPR, HVAC, IGN 0 and TBC ACC Fuses
BRKS, CRANK, FR WPR, HVAC, IGN 0 and TBC ACC Fuses
G103, G104, G105, G106, G300 and G301
Data Link Connector (DLC) Schematics