GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
Sonoma Pickup - 2WD
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Engine
🢒
Engine Electrical
🢒 Starting and Charging Schematics
Figure
1:
Cell 30: Manual Transmission Starting
Cell 10: Ign RUN And START Buss Bar
Cell 10: Ign RUN And START Buss Bar
Cell 38: Front Axle Clutch Solenoid and Front Axle Switch
Cell 38: Front Axle Switch and VCM
Cell 14: G102 (Except Envoy)
Cell 10: Ign RUN And START Buss Bar
Power and Grounding Connector End Views
Cell 10: Ign RUN And START Buss Bar
Cell 14: G102 (Except Envoy)
Cell 30: Engine Charging (2.2L)
Cell 10: B+ Buss Bar
Engine Electrical Components
Starting System Circuit Description
Cell 30: Automatic Transmission Starting
Figure
2:
Cell 30: Automatic Transmission Starting
Cell 10: Ign RUN And START Buss Bar
Cell 10: Ign RUN And START Buss Bar
Cell 38: Front Axle Clutch Solenoid and Front Axle Switch
Tilt Wheel/Column Connector End Views
Cell 14: G102 (Except Envoy)
Cell 14: G102 (Except Envoy)
Cell 10: Ign RUN And START Buss Bar
Power and Grounding Connector End Views
Cell 10: Ign RUN And START Buss Bar
Cell 10: B+ Buss Bar
Cell 30: Engine Charging (2.2L)
Engine Electrical Components
Starting System Circuit Description
Cell 30: Engine Charging (2.2L)
Cell 30: Manual Transmission Starting
Figure
3:
Cell 30: Engine Charging (2.2L)
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Cell 150: Power and Ground (Chevy/GMC)
Handling ESD Sensitive Parts Notice
Cell 30: Automatic Transmission Starting
Cell 10: B+ Buss Bar
Cell 50: Class 2 Communication (2.2L)
Engine Electrical Components
Charging System Operation
Cell 30: Engine Charging (4.3L)
Cell 30: Automatic Transmission Starting
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure
4:
Cell 30: Engine Charging (4.3L)
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Cell 150: Power and Ground (Chevy/GMC)
Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses
Handling ESD Sensitive Parts Notice
Cell 30: Automatic Transmission Starting
Cell 10: B+ Buss Bar
Cell 50: Class 2 Communication (4.3L)
Engine Electrical Components
Charging System Operation
Cell 30: Engine Charging (2.2L)
VCM Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice