OMRE283529

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 belt	Replace belt

Charging system indicator glows with engine running	Low engine speed	Increase speed
	Defective battery	Check electrolyte level and specific gravity
	Defective alternator	See your John Deere dealer
	Slipping alternator/fan belt	Replace belt

Starter inoperative	Shift lever or power reverse lever in gear	Move shift lever or power reverse 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 battery connection

Light system does not function; rest of electrical system functions

Blown fuse

Replace fuse

Entire electrical system does not function	Fusible link blown	See your John Deere dealer
	Faulty battery connections	Clean and tighten connections
	Sulfated or worn-out battery	Check electrolyte level and specific gravity
	Blown fuse	Replace fuse

Relay(s) sticking or nonfunctional; repeated failures

Failed diode(s)

See your John Deere dealer

NS43404,000052D-19-20080123