Battery will not charge
Clean and tighten connections.
Sulfated or worn-out battery.
Check electrolyte level and specific gravity.
Loose or defective alternator/fan belt.
Adjust belt tension or replace belt.
Charging system indicator glows with engine running
Increase speed.
Defective battery.
Defective alternator.
See your John Deere dealer.
Slipping alternator/fan belt.
Adjust belt tension.
Starter cranks slowly
Crankcase oil too heavy.
Use proper viscosity oil.
Loose or corroded connections.
Clean and tighten loose connections.
Light system does not function; rest of electrical system functions
Replace fuse.
Entire electrical system does not function
Blown fuse.
Relay(s) sticking or nonfunctional; repeated failures
PY80265,05H1019-19-20050906