GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
Sonoma Pickup - 4WD
🢒
Engine
🢒
Engine Electrical
🢒 Starting and Charging Schematics
Figure
1:
Manual Transmission Starting
Master Electrical Component List
Charging System Description and Operation
Automatic Transmission Starting
B+ Bus Bar
Ign RUN and START Bus Bar
Front Axle Indicator Switch and Powertrain Control Module (PCM)
CRANK Fuse, Front Axle Indicator Switch, and Front Axle Vacuum Solenoid
G102 (Except Export)
G102 (Except Export)
B+ Bus Bar
B+ Bus Bar
Engine Charging (2.2 L)
Figure
2:
Automatic Transmission Starting
Master Electrical Component List
Charging System Description and Operation
Engine Charging (2.2 L)
Manual Transmission Starting
B+ Bus Bar
Ign RUN and START Bus Bar
Front Axle Indicator Switch and Powertrain Control Module (PCM)
CRANK Fuse, Front Axle Indicator Switch, and Front Axle Vacuum Solenoid
G102 (Except Export)
B+ Bus Bar
B+ Bus Bar
Engine Charging (2.2 L)
G102 (Except Export)
Figure
3:
Engine Charging (2.2 L)
Master Electrical Component List
Charging System Description and Operation
Engine Charging (4.3 L)
Automatic Transmission Starting
AUX PWR, RDO BATT and HDLP SW Fuses
Power (Chevy/GMC)
Blower Controls
Indicators
Manual Transmission Starting
B+ Bus Bar
SP201 (2.2L)
Figure
4:
Engine Charging (4.3 L)
Master Electrical Component List
Charging System Description and Operation
Engine Charging (2.2 L)
AUX PWR, RDO BATT and HDLP SW Fuses
Power (Chevy/GMC)
AUX PWR, RDO BATT and HDLP SW Fuses
Indicators
Manual Transmission Starting
B+ Bus Bar
SP201 (2.2L)