GM Service Manual Online
For 1990-2009 cars only

Module Power

Module Power


Object Number: 1593038  Size: FS
Master Electrical Component List
Engine Control Module Description
Fuse Blocks, IGN-A Relay, Ground, Serial Data and MIL
Engine Controls Schematic Icons
Batteries - LG4/LG5 and B+ Bus
Batteries - LG4/LG5 and B+ Bus
Ignition Switch - OFF/RUN/START, RUN/START, and START Bus Bars
ENGINE and PCM-1 Fuses/Circuit Breakers
TRANS Fuse/Circuit Breaker
ENGINE and PCM-1 Fuses/Circuit Breakers
ENG-2 and ENG-3 Fuses - LG5/LLY
A/C COMP, HTD FUEL, PCM-B, and RR DEFOG Fuses
TRANS Fuse/Circuit Breaker
ENGINE and PCM-1 Fuses/Circuit Breakers