Battery Light's Enigma Car Runs Flawlessly, Light Warns

Your engine is off, at this point. When your engine is running and your alternator is charging, the voltage from the charging alternator is felt ... Driving with the battery light on can indicate a low or dead battery, which is a potentially serious issue. A weak battery may not be able to ... Don't unplug the battery while the car is running. Almost positive you'll need a new alternator. Keep driving it and you'll know for sure: The ... This will trigger the battery light but show 14-14.7v at the battery terminals. A normal modern alternator like yours is externally regulated ... It can be due to the circuitry of the alternator. Or it can be due to a mismatch. Warning light circuit is looking for a certain resistance but ... 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. The light is an indication of a problem with the battery or charging system, hopefully a minor one. These can include loose or corroded battery cables. Even if the car seems to run fine, this light indicates that something needs attention. Ignoring it can lead to bigger problems, such as a dead ... If the battery light turns on while driving, the general recommendation is to stop the vehicle in a safe place as soon as possible, as the battery may be ... ... but now the battery light is on. I tested the battery with a meter. It's fully charged when off and reads over 14 V when the car is running.