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Workman HD SeriesPage 8 − 4Electrical System
Troubleshooting
CAUTION
Remove all jewelry, especially rings and
watches, before doing any electrical trouble-
shooting or testing. Disconnect the battery
cables unless the test requires battery voltage.
For effective troubleshooting and repairs, you must have
a good understanding of the electrical circuits and com-
ponents used on this vehicle (see electrical schematics
and drawings in Chapter 11 − Electrical Drawings).
If the vehicle has any interlock switches by−passed, they
must be reconnected for proper troubleshooting and
safety.
Condition
Possible Cause
Nothing happens when start attempt is made. Clutch pedal not depressed − instruct operator.
Hydraulic lift lever not in neutral position − instruct
operator.
Rear PTO (if equipped) engaged − instruct operator.
1/3 Area Platform Lift (if equipped) and parking brake
is engaged − instruct operator.
Low battery charge.
Loose or corroded battery cables. Loose or corroded
ground.
”RUN” fuse (10 amp) faulty.
Fusible link faulty.
Clutch proximity switch faulty.
Clutch proximity switch wiring loose, corroded or
damaged.
Lift lever interlock switch out of adjustment or faulty.
Lift lever interlock switch wiring loose, corroded or
damaged.
Rear PTO switch (if equipped) faulty.
Rear PTO switch (if equipped) wiring loose, corroded
or damaged.
Faulty ignition key switch.
Ignition switch wiring loose, corroded or damaged.
Start relay faulty.
Start relay wiring loose, corroded or damaged.
Starter solenoid wiring loose, corroded or damaged.
Starter solenoid faulty.
Starter cranks, but should not, with clutch pedal
released.
Clutch proximity switch faulty.