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Low Voltage and/or Battery Will Not Charge
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Defective battery (possibly due to low water level.)
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Replace battery. Maintain water level.
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Low engine speed
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Increase speed.
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Wet or dirty battery cover
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Keep clean and dry.
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Loose or corroded connections
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Clean and tighten battery connections.
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Dirty or defective alternator, defective voltage regulator, or high resistance in circuit
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See your John Deere dealer.
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Loose or defective fan belt
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Adjust belt. Replace worn belt.
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Alternator or voltage regulator not functioning properly
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See your John Deere dealer.
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Starter Cranks Slowly or Will Not Operate
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Relay not functioning
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Check relay and wire connections.
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Starter solenoid not functioning
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Check solenoid and wire connections.
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Loose or corroded battery connections
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Clean and tighten loose connections.
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Steering wheel or hydrostatic ground drive lever not in neutral
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Put hydrostatic ground drive lever in neutral and center steering wheel.
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Platform engage switches on
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Disengage platform.
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Key switch worn or terminals loose
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Check switch and terminals.
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Too high viscosity crankcase oil
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Drain and fill crankcase with oil of proper viscosity and quality.
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Faulty starter
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Replace starter.
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Neutral interlocks not set or defective
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Check switches at hydrostatic lever neutral position and at steering assembly under the cab.
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Defective neutral start relay
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Replace relay.
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| Symptom |
Problem |
Solution |
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Lights Dim
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High resistance in circuit or poor ground on lights
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Check the wiring circuit for a break in a wire or a poor ground.
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Defective light switch
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Replace switch.
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Lights Will Not Light
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Defective light switch
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Replace switch.
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Open wiring, circuit breaker, or fuse
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Check wiring for broken wire or shorts. Check circuit breaker or fuse.
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Defective light
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Replace.
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Turn Signals Do Not Operate
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Controller faulty
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Replace warning light display.
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Defective light
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Replace light.
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Open wiring or fuse
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Check wiring and replace fuse.
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Defective relay
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Replace relay.
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Warning Lights Do Not Operate
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Controller faulty
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Replace warning light display.
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Defective relay
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Replace relay.
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Open wiring or fuse
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Check wiring and replace fuse.
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Defective light
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Replace light.
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Faulty light switch
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Replace switch.
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No Current To Cab
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Solenoid stuck or defective
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Replace solenoid.
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Wiring or circuit breaker open
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Check wiring for a broken or shorted wire.
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