Battery Light On, Engine Undeterred Exploring the Paradox

It sounds like your alternator is working a little, but not enough to keep the battery charged. The "battery" light is actually driven from the ... Your car's battery light is on, but everything seems to be running fine. This warning is a sign that your charging system needs attention. When investigating a flat battery or other potential issue you should always check the voltage with the engine running to make sure the ... You will find a bad alternator, most likely. Or take a volt meter and test voltage at the battery. Should be about 12 volts, engine off, and ... That failure mode could be caused by a number of faults, One could be simply a slipping belt condition, which is easily fixed. Take a close look ... but everything runs fine electrically when running...as in lights ... hi all , wife went to open car today and noticed the battery light ... One of the things that can cause the battery light to come on is a bad voltage regulator in the alternator. As stated, I believe that it's charging the battery ... In my experience a lit battery light on a running car is usually alternator related. ... but the battery light is not on once it is running. 4 Things to Do When Your Car Battery Light Comes On · Check the purchase date of the battery. If it's older than 3 to 5 years, you may need a new ... It seems like the only possible sources of this problem are: loose belt (I don't think so), bad ground (seems ok, but maybe not), bad alternator ...