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PART 3
ELECTRICAL SYSTEM
Chapter 5
TROUBLE SHOOTING AND SPECIFICATIONS
Section
Page
A.
TROUBLE
SHOOTING
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B.
SPECIFICATIONS
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39
A
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TROUBLE SHOOTING
ALTERNATOR
PROBLEM
POSSIBLE CAUSES
Low
or no output
from
alternator.
1. Drive belt
slippage.
2.
Faulty
wiring or connections.
3.
Defective
regulator.
4.
Defective
alternator.
Alternator overcharging and battery
1.
Defective
battery.
overheats.
2.
Defective
voltage regulator.
STARTER MOTOR
PROBLEM
POSSIBLE
CAUSES
Pinion
fails
to engage when key is turned
1. Faulty wiring between key
switch
and starter solenoid.
to
"start"
position.
2.
Defective key switch.
3.
Defective starter
relay.
4.
Pinion gear
sticking
on armature shaft.
5.
Defective
starter
solenoid.
Pinion gear
engages
with ring
gear,
but
1.
Faulty
battery
cable or
connections
to
solenoid
terminal.
starter
motor does not rotate.
2.
Faulty ground
cable
connections.
3.
Faulty wiring, solenoid
coil
to starter motor.
4.
Defective
starter motor brushes
or contacts.
5.
Dirty
armature.
6.
Defective starter
coils.
7.
Defective
armature.
8.
Defective
solenoid
switch.
Pinion gear
engages with ring gear and
1.
Defective
overrunning clutch.
starter motor rotates but does not
crank
engine.
Starter motor fails
to
stop
after
key
switch
1.
Defective
key
switch.
is turned
to "off."
2.
Defective
solenoid (switch).
PRINTED IN
U.S.A.
37
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