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Lawn mower battery keeps dying
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Alternator - Briggs and Stratton Engine 331977-0010-G1
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Common solutions for: Lawn mower battery keeps dying
01 - Battery
One or more cells in the battery may be dead. Try charging the battery with a battery charger. If the battery still won't hold a charge, this indicates that the battery is defective and will need to be replaced.
Required Part
Lawn Mower Battery
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02 - Alternator
The alternator provides voltage to the lawn mower while the engine is running and also recharges the battery. To determine if the alternator is defective, use a multimeter to test the alternator voltage output according to the wiring diagram.
Required Part
Lawn Mower Alternator
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03 - Charger
To determine if the charger is defective, use a multimeter to test the charger for proper voltage output. In addition, test the outlet used by the charger, and ensure that the outlet has not tripped a breaker.
Required Part
Lawn Mower Charger
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04 - Voltage Regulator
While the engine is running, the voltage regulator sends the proper amount of voltage from the alternator to the battery to keep the battery charged. If the voltage regulator is defective, the battery won't receive enough voltage, causing the battery to drain quickly.
Required Part
Lawn Mower Voltage Regulator
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