0A–32 GENERAL INFORMATION
Condition Possible Cause Correction
Battery dead
Battery overcharged
Flashing charge light or
fluctuating ammeter indication
Charge light on but dim during
operation
Alternator noise
Charge circuit fuse blown
Loose alternator drive belt
Low battery fluid
Defective battery terminals
Blown fuse
Poor contact between the fuse holder
and fuse
Low battery fluid specific gravity
Broken or poorly connected starter
switch and regulator terminal wire
Broken or poorly connected regulator
terminal and alternator terminal wire
Defective alternator ground circuit
Defective voltage regulator
Defective diode
Grounded or broken alternator stator
coil
Broken rotor coil
Excessive electrical load
Poor connections or open circuit
Poor ground connection of voltage
regulator
Voltage set of regulator too high
Defective voltage regulator
Loose belt
Defective starter switch contacts
Broken or poorly connected wiring
Loose starter switch terminal wiring
Excessive resistance of alternator and
fuse holder terminal wire
Defective starter switch contacts
Defective alternator bearing
Exposed stator coil wires
Short circuit of the stator coil
Grounded terminal wiring
Defective alternator end flame diode
Out of voltage regulator adjustment
Reversed battery connections
Adjust
Replenish
Replace
Replace
Repair
Adjust
Repair
Repair
Repair
Replace
Replace
Repair or replace
Replace
Check the alternator output at normal
operating speed
Correct
Correct
Replace
Replace
Adjust
Replace
Replace or reconnect
Retighten
Replace the wire with a larger one
Replace
Replace or regrease
Replace
Replace
Repair
Replace the end flame assembly
Replace
Correct
11. Alternator