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Voltage Indicator Displayed When There Is Low Battery Voltage (Key ON and Engine OFF)
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Defective battery
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Check electrolyte level and specific gravity
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Low charging voltage
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Have your John Deere dealer check charging circuit
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High resistance in charging circuit
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Have your John Deere dealer check charging circuit
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Indicator malfunction
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Have your John Deere dealer check indicator
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Voltage Symbol Displayed and Service Alert Indicator Flashing Indicating Low Charging Voltage (Engine Running)
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Low engine speed
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Increase speed
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Auxiliary drive belt slipping, not charging alternator
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Check auxiliary drive belt tension
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Defective battery
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Check electrolyte level and specific gravity
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Defective alternator
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Have your John Deere dealer check alternator
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Excessive electrical load
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Decrease load
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Voltage Symbol Displayed and Service Alert Indicators Flashing Indicating Excessive Charging Voltage
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Faulty connection to alternator
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Check wiring connections
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Defective regulator
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Have your John Deere dealer check alternator
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| Symptom |
Problem |
Solution |
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Chirping Noise From Side Console
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Noise is normal
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The 8030T series tractors use solid state electronic drivers instead of relays to control the turn signal lights. The tractor warning system provides a short turn signal indicator beep to replace the relay clicking noise.
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Batteries Will Not Charge
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Loose or corroded connections
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Clean and tighten connections
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Sulfated or worn-out batteries
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Check electrolyte level and specific gravity
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Loose or defective alternator belt
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Adjust auxiliary belt tension or replace belt
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Starter Inoperative
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Transmission in gear
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Place transmission in PARK
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Faulty or maladjusted neutral start switch or starter solenoid malfunction
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See your John Deere dealer
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Loose or corroded connections
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Clean and tighten loose connections
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Low battery output
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See your John Deere dealer
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Blown fuse 5
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Replace fuse
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Starter Cranks Slowly
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Low battery output
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Check electrolyte level and specific gravity
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Crankcase oil too heavy
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Use correct viscosity oil
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Loose or corroded connections
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Clean and tighten loose connections
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Light System Does Not Function; Rest of Electrical System Functions
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Blown fuse 16
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Replace fuse
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Entire Electrical System Does Not Function
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Faulty battery connection
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Clean and tighten connections
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Sulfated or worn out batteries
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Check electrolyte level and specific gravity
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Blown master fuse
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Replace master fuse (in battery compartment)
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