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: 1653973  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
5-Volt and Low Reference Bussing
Engine Controls Schematic Icons
Ignition Switch
Ignition Switch
G112 (LS4), AND G113 (LS4)
Ignition Switch
ABS, TRANS, ECM IGN, AIRBAG/DISPLAY, COMPASS, HVAC Fuses and STRTR Relay
Fuse Block - Underhood Bussing
G112 (LS4), AND G113 (LS4)
BATT 3, BATT 4, ABS MTR, ABS SOL, ECM/TCM/WSW/RVC, and AUX PWR Fuses
LS4