Battery light went on...does it mean alternator???
Get a voltmeter.
Check the voltage of the battery with the car off - should be close to 12V.
--> If not then your battery is probably bad.
Check the voltage of the battery with the car on - should be close to 14V.
--> If not then your alternator is probably bad.
No matter how many people tell you to do it... do not disconnect your battery while your car is running.
Check the voltage of the battery with the car off - should be close to 12V.
--> If not then your battery is probably bad.
Check the voltage of the battery with the car on - should be close to 14V.
--> If not then your alternator is probably bad.
No matter how many people tell you to do it... do not disconnect your battery while your car is running.
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