GM Service Manual Online
For 1990-2009 cars only

Modular Power, Ground, Serial Data, and MIL

Module Power, Ground, Serial Data, and MIL


Object Number: 1840275  Size: FS
Master Electrical Component List
Control Module References
Engine Data Sensors - 5-Volt and Low Reference
Batteries - LG4/LG5 and B+ Bus
Ignition Switch - OFF/RUN/START, RUN/START, and START Busses
ENGINE and PCM-1 Fuses/Circuit Breakers
G100 - LG5
Data Link Connector Power and Ground, 2 of 2
J1939 Serial Data, 2 of 2 - L18 w/JE4, LG4, LG5
Instrument Panel Cluster - 1 of 2
AIRBAG, GAUGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers