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: 808232  Size: FS
Master Electrical Component List
Engine Control Module Description
Fuse Block - Underhood Ignition A and B Relays
Engine Controls Schematic Icons
Underhood Fuse Block, ENG 3 and ENG 2 Fuses (LG5/LB7)
Underhood Fuse Block, PCM-B, HTD FUEL, A/C COMP, and RR DEFOG Fuses
Ignition Switch, OFF/RUN/START, RUN/START, and START Bus Bars
Ignition Switch, OFF/RUN/START, RUN/START, and START Bus Bars
Underhood Fuse Block, PCM-B, HTD FUEL, A/C COMP, and RR DEFOG Fuses
I/P Fuse Block, START and TRANS Fuses/Circuit Breakers
Underhood Fuse Block, ENGINE Fuse and I/P Fuse Block, PCM-I Fuse/Circuit Breaker
I/P Fuse Block, R-RR TRUCK, L-RR TRUCK, GAGES, and SIR Fuses/Circuit Breaker
Instrument Panel Cluster - 1 of 2
I/P Fuse Block, START and TRANS Fuses/Circuit Breakers
Underhood Fuse Block, ENGINE Fuse and I/P Fuse Block, PCM-I Fuse/Circuit Breaker
J1939 Serial Data (LB7)
Splice Pack SP203 (L18/LB7/LG4)
G200, G202, and G203 - 1 of 4