GM Service Manual Online
For 1990-2009 cars only

ECM Power, Ground, MIL, and Serial Data

ECM Power, Ground, MIL, and Serial Data


Object Number: 1753445  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
5-Volt Reference Bussing
Fuse Block - Underhood Bussing
COOLFAN, AMP, HVAC, ABS, MRRTD, ECM/TCM, HORN, BATT 2 Fuses, and HORN, REAR DEFOG Relays
COOLFAN, AMP, HVAC, ABS, MRRTD, ECM/TCM, HORN, BATT 2 Fuses, and HORN, REAR DEFOG Relays
Fuse Block - Underhood Bussing
Fuse Block - Underhood Bussing
CLUSTER, A.C. LATCH/PK BRK B, DOOR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW/STRG COL SW FUSES, and RUN/CRANK Relay 2
CLUSTER, A.C. LATCH/PK BRK B, DOOR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW/STRG COL SW FUSES, and RUN/CRANK Relay 2
RPA/H/C SEAT, GMLAN DEVICES, ECM, SDM/PSIR SW, ACC/TCM, and ABS/MRRTD Fuses
RPA/H/C SEAT, GMLAN DEVICES, ECM, SDM/PSIR SW, ACC/TCM, and ABS/MRRTD Fuses
Power, Ground, and DLC
Power, Ground, and DLC
Power, Ground, and DLC
Class 2
GMLAN
G104 and G106
G104 and G106
G104 and G106