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General Run and Transport Problems (continued)
Condition Possible Cause Correction
4WD does not engage. Axle in HI range. Axle must be in Low range for
4WD to
engage.
Axle HI/LOW switch or plunger
fau
lty.
Test HI/LOW switch. Check for
p
roper installation and operation
of plunger assembly. Replace
switch or repair plunger if faulty.
Axle HI/LOW switch wiring loose,
c
orroded or damaged.
Repair wiring.
4WD solenoid valve faulty. Test 4WD solenoid valve.
Re
place if faulty.
4WD solenoid wiring loose,
c
orroded or damaged.
Repair wiring.
Problem is not electrical. See Troubleshooting section of
Ch
apter 4 - Hydraulic System.
Battery does not charge. Loose or broken wire(s). Repair wiring.
Faulty alternator. Check alternator belt tension.
Test alternator and replace if
faulty.
Dead battery. Charge battery. Replace battery if
it will not hold a charge.
Alternator warning lamp is faulty or Replace lamp.
burnt out.
Alternator waring lamp wiring Repair wiring.
loose, corroded or damaged.
Electrical System
Groundsmaster
®
455-D Page 5 - 11 Troubleshooting
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