GM Service Manual Online
For 1990-2009 cars only

Power, Ground, MIL, and DLC

Power, Ground, MIL and DLC


Object Number: 1680128  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors, 5V Reference Bussing
Engine Controls Schematic Icons
Underhood Fuse Block B+
Rear Fuse Block B+
Underhood Fuse Block B+
RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses
IGN SWTCH, STR/WHL/ILLUM Fuses
AIR PUMP, AIR/SOL, A/C, COOL/FAN 2, COOL/FAN, COOL/FAN 1 Relays, INJ/COIL, OXY PST Fuses
Underhood Fuse Block B+
RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses
Engine Data Sensors, Pressure, Temp, and MAF/IAT
MSM/RT FRT PWR SEAT, MSM/LT FRT PWR SEAT, MSM Circuit Breakers, ECM/TCM, MSM LOGIC/RF MASSAGE Fuses
G100, G112 (LD8)
High Speed Serial Data
G100, G112 (LD8)