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Over or under charging.
Another answer:
Typically that means that the computer has detected a problem with the alternator. In more sophisticated systems, it can mean that the computer has detected a faulty diode and even thought the alternator is still barely functioning, you'll probably want to take care of it soon.
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∙ 15y ago
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How come my battery light is on in my 1999 Expedition?
Auto Zone will check your charging system for FREE. Go to any Auto Zone and have them check your Alternator / and charging system.
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Drive the car to you local auto parts store and have then check the charging system.
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It means that the computer has detected a malfunction in the charging system. It could be over or under charging. You will need to have the system checked.
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It's not charging the battery. Check the alternator.
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You probably have a bad alternator. Need to check the charging system.
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Auto Zone will check your charging system for FREE. Go to any Auto Zone and have them check your Alternator / and charging system.
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It means something is worng with your charging system. Check first your alternator if its charging. Check if belt is loose or broken. Check voltage of battery. Might be undercharged.
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When the battery light is on. That means your charging system isn't working. You should have your system check. It will drain your battery.
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Need to check the charging system. sounds like a bad alternator.
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