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: 1565255  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - 5-Volt and Low References
OBD II Symbol Description Notice
B+ Bus - Underhood Fuse Block - Diesel
ABS/VSES, FOH/ECM/TCM BATT, PCM BATT, and TRLR Fuses
ABS/VSES, FOH/ECM/TCM BATT, PCM BATT, and TRLR Fuses
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
BTSI, BTSI BCK/UP, ECM/TCM/GLOW PLUG CNTRL MDL IGN 1, FUEL HTR, O2 SNSR A, O2 SNSR B, PCM IGN 1, SPARE and TRLR BCK/UP Fuses
BTSI, BTSI BCK/UP, ECM/TCM/GLOW PLUG CNTRL MDL IGN 1, FUEL HTR, O2 SNSR A, O2 SNSR B, PCM IGN 1, SPARE and TRLR BCK/UP Fuses
BRK, CRNK, FRT WPR, HVAC, IGN 1, TBC ACCY and TBC/TCM ACCY Fuses
G103, G104, G105, G106, G107, G108, G300, G301, and G305
High Speed GMLAN and Splice Pack SP250 - Diesel
Power, Ground, DLC, and Splice Pack SP200