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Battery will not charge
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Loose or corroded connections
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Clean and tighten connections.
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Loose or faulty fan/alternator belt.
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Adjust belt tension or change it
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Load system indicator light comes on when engine in operation
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Low engine speed
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Increase speed.
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Defective battery
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Recharge or change battery.
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Defective alternator
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See your John Deere Dealer.
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Fan belt slip
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Stretch belt.
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Starter motor inoperative
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PTO lever is engaged
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Disengage PTO lever.
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Low battery voltage
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Check charge.
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Blown fuse
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Replace fuse.
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Starter motor cranks slowly
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Low battery voltage
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Check charge.
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Oil in crankcase too viscous
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Use correct oil viscosity.
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Loose or corroded connections
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Clean and tighten connections.
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Light system does not work but the rest of electrical system is operative
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Badly connected battery
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Clean and tighten connections.
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Blown fuse
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Replace fuse.
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Relay inoperative
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Faulty circuit diode protector
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Change diode module.
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