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CHARGING SYSTEM WARNING LIGHT COME ON

WARNING LIGHT COMES ON WHILE DRIVING

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Just replaced battery but battery light comes on goes off comes back on


The warning light is telling the driver the alternator is not charging the battery. The alternator and wiring would need to be checked.

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The warning light means the alternator is not charging the battery.

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The warning light comes on when the alternator is not charging the battery. The alternator would need to be checked when the light is on.

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You need to have the battery charging system tested. Autozone and other swill do the testing for free.

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My 2002 cadiliac sts keep flashing diffrent warning lights as i drive


If you can duplicate the problem if the car is parked, I would want to know if the alternator is charging the battery when the battery light comes on and if there are any codes stored in the computer.
Battery voltage dropping below 12 can cause all sorts of electrical problems, and some of the warning lights are connected to each other.

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I have a 2005 Saturn Vue which battery warning light sometimes come on randomly and then goes for several weeks now. As it came on more frequently I thought the battery was dying so I replaced it two days...


If the battery light comes on while your are driving than the alternator is not charging. The battery light comes on to tell you there is a problem with the charging system not the battery. It is normal for the light to come on when you turn the key to the run position and then it should go out shortly after the engine starts. When the light is on check the voltage at the battery if you have less than 13 volts the alternator is not charging.

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My battery light comes on and goes off while im driving


The battery light is coming on due to either a defective Alternator voltage regulator Diode (built into the alternator) or to a wiring connector problem at the Alternator. When the charging system voltage drops below the battery voltage the battery warning light will come on, this is not a Battery problem as many think, it is a charging system issue as stated above, the main component of the charging system is the Alternator..

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Sounds like your battery isn't charging properly, first thing to check, is your alternator belt slipping, is it tight enough, if so does it need replacing?

Next the battery, if its over 2 years old it could be on its way out. Does it hold its charge?

Finally, Alternator, is it still providing a charge for the battery? Are all electrical connections good and clean?

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