Sable V6-183 3.0L DOHC VIN S MFI (1997)
Alternator: Description and Operation
Generator General Description
Generator with internal regulator - Internal Fan and Regulator Type is used on these vehicles.
The Generator (GEN):
^
Supplies current to the vehicle's electrical system.
^
Charges the battery.
With the ignition switch in the RUN position:
^
voltage is supplied through the I circuit to the Voltage Regulator (VR).
^
The generator warning indicator turns on (lamp prove-out).
^
The voltage regulator turns on, allowing current to flow through the A circuit to the generator field coil.
With the engine running:
^
The generator produces Alternating Current (AC), which is changed to Direct Current (DC) by the rectifier diodes.
^
Current is supplied to the vehicle through the generator B+ terminal (stud).
^
The generator warning indicator turns off.
^
Generator output is controlled by the voltage regulator.
