GM Service Manual Online
For 1990-2009 cars only

Power and Ground

Power and Ground


Object Number: 775445  Size: FS
Master Electrical Component List
Engine Control Module Description
MIL Control and Serial Data
OBD II Symbol Description Notice
B+ Bus Bar
ECM I, FUEL HT, ENG 1, IGN E, ECMRPV, and INJ B
ECM I, FUEL HT, ENG 1, IGN E, ECMRPV, and INJ B
AIR, RTD, RADIO, RDO AMP, ECM B, FRT HVAC, and CIGAR Fuses
IGN 1, TURN, SEO IGN, AIR BAG, CRANK, and IGN 0 Fuses
G103 and G105 - Gas
IGN 1, TURN, SEO IGN, AIR BAG, CRANK, and IGN 0 Fuses