Troubleshooting
For effective troubleshooting and repairs, you must
have agood understanding of the electrical circuits (see
Chapter 7 -- Electrical Diagrams) and components used
on this machine.
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.
Starting Problems
Problem
Possible Causes
Starter solenoid clicks, but starter will not crank.
Battery is discharged.
Battery cables are loose or corroded.
Battery ground to frame is loose or corroded.
Wiring at starter is faulty.
Starter solenoid is faulty.
Starter is faulty.
Nothing happens when start attempt is made.
Battery is discharged.
Wiring to the start circuit components is loose,
corroded or damaged (see Wiring Schematic in
Chapter 7 -- Electrical Diagrams).
Battery cables are loose or corroded.
Battery ground to frame is loose or corroded.
Main fuse (25 amp) is loose or faulty.
Fusible link is faulty.
Ignition switch is faulty.
Starter solenoid is faulty.
Engine cranks, but does not start.
The ignition switch is faulty.
Remote control engine stop switch is faulty.
Engine or fuel system is malfunctioning (see Chapter 3
--
Engine).
Engine and fuel may be too cold.
Electrical System
Page 5 -- 4
ProCore Processor
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