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hiCustomer mostlikely , your alternator is faulty and not charging, but to be sure it will have to be checked, if you have a voltmeter, you can put the pos on the pos, and neg on the neg and switch the reader to voltage, while the car is running, you should get a good 14 volt reading. If you are hesitant about doing it yourself or you dont have a voltmeter, bring it to autozone or your local parts place and they can check it there free of charge.
correct, if you drive at night it may be a problem because now you are, needing the service of the alternator, and if it is completely shot, then your car will stall out, because the battery cant provide the extra voltage to run the car and the headlights and illumination, it will though keep the vehicle going because the engine does not require extra voltage.
ah ok , i see. my misunderstanding