What happens if battery light is on car but battery is charged?
If your battery warning light comes on whilst you’re driving, it means that your battery is no longer being charged by the alternator and is running only on its own charge. That means that your car is only running on battery power that will eventually run out, bringing your car to a halt.
Should I pull over if my battery light comes on?
What Should I Do If the Battery Light Is On? If you’re driving and you notice that the battery light is on, don’t turn off the engine. If you pull over and turn off the engine, it’s very possible that there won’t be enough power available for the engine to start. That could leave you stranded.
Can a new battery work with a bad alternator?
Can a bad alternator kill a new battery? Yes, very easily. A failing alternator can overcharge, which will damage the battery. An undercharging alternator will leave the battery flat, which speeds up its failure.
What does it mean when your car battery light is on?
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 12.5 volts.
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 to do if your battery light comes on again?
Tip: Try starting your car in a safe location, if the battery light comes on again, do not drive it. Shut off the engine and open the hood to see whether the serpentine belt, alternator or battery have any problems that can be identified visually. Tip: Always turn off the engine before inspecting the battery or other components.
What should voltage be for car battery light?
It’s relatively easy to check the function of the alternator with a multimeter. The voltage should be between 13.6 volts and 14.6 volts. If the voltage is less than 12 volts, the battery light is triggered and you’ll likely need to replace the alternator.