Electrical system troubleshooting – John Deere 5103E User Manual
Page 165
Troubleshooting
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Electrical System Troubleshooting
Symptom
Problem
Solution
Battery will not charge
Loose or corroded connections.
Clean and tighten connections.
Sulfated or worn-out battery.
Check electrolyte level and specific
gravity.
Loose or defective alternator/fan
Adjust belt tension or replace belt.
belt.
Charging system indicator glows
Low engine speed.
Increase speed.
with engine running
Defective battery.
Check electrolyte level and specific
gravity.
Defective alternator.
See your John Deere dealer.
Slipping alternator/fan belt.
Adjust belt tension.
Starter inoperative
Range shift lever in gear.
Move lever to neutral.
PTO lever in engaged position.
Move PTO lever to disengaged
position.
Low battery output.
See your John Deere dealer.
Blown fuse.
Replace fuse.
Starter cranks slowly
Low battery output.
Check electrolyte level and specific
gravity.
Crankcase oil too heavy.
Use proper viscosity oil.
Loose or corroded connections.
Clean and tighten loose connections.
Light system does not function;
Blown fuse.
Replace fuse.
rest of electrical system
functions
Continued on next page
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