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What can cause the battery light to come on?
An illuminated battery light could be due to a number of issues, including:
- A loose or corroded battery cable.
- A problem with the alternator or voltage regulator.
- Damaged cells or plates inside the battery.
- Faulty wiring in the car’s electric charging system.
What does the red battery light mean?
The battery light on your car dashboard signals a charging problem with your car battery. If the light turns and stays on, it might be that your alternator isn’t generating enough voltage to charge it. Common causes can be a broken alternator belt, damaged battery cells or a failed alternator.
Can you drive if the battery light comes on?
Driving with your Battery Light on is not a good idea. If the battery is bad, the alternator is faulty, or the wiring is bad, these can cause the vehicle to lose power and not operate like it normally would. The battery powers essential parts of your car, so it is a must have piece of equipment.
What to do if your car battery light is not working?
Get the alternator or wiring fixed, and properly recharge the battery at the same time. The folks at AutoZone can always help with battery and charging system issues, both on the car, and with the parts off the car.
When does the battery warning light come on?
May 25, 2016. The battery light or charging warning light, available on the dashboard of your car, indicates malfunctioning or poor charging of the battery. This light illuminates whenever the charging system does not charge the battery with a voltage above approximately 13.5 volts.
What causes the battery light to come on?
The voltage in the battery will drop, which causes the Battery Light to come on. If this happens, it could be time to contact a mechanic for a battery replacement. There is a problem with the alternator: The alternator is used to charge the battery and help power the electrical system while the engine is working.
How long does it take for a battery light to go off?
The exact amount of time that your car will be able to function with the battery light on depends on many factors, but assuming that the alternator is the issue (this is the most common issue) it is likely that your car will lose battery power after 30 minutes to an hour of driving.