Can a faulty voltage regulator cause your battery light and alternator light to come on?
The cause of the battery light could be a loose or corroded battery cable or other wire connecting components of the charging system, or it might be a problem with the alternator or voltage regulator. The alternator generates the power that is stored in the battery.
What will cause 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.
Is it bad to drive with battery light 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 happens if you have a bad alternator in a Toyota Corolla?
As described above, a bad alternator will drain your Corolla’s battery fast. When the battery gets so dead it will no longer be able to power your Corolla’s ignition system. As the ignition system is no longer able to produce a full powered spark, the engine will begin to sputter and stall.
Why does the battery light come on on my Toyota Corolla?
If your Toyota Corolla’s battery light is on, it means a few things. It is trying to warn you that there is an issue with the charging system. The charging system itself is relatively simple. It’s almost always going to be caused by a bad batteryor alternator. The battery light comes on when it detects that the voltage in the battery is too low.
What are the symptoms of a bad alternator?
Outside of the battery warning light, a dead battery is the most common symptom of a bad alternator. As the alternator can no longer supply your Corolla with an adequate power supply, it will begin to feed off of the reserve in the battery.
What does the battery light on the alternator mean?
This is the same connector that lets the on-board computer know if the alternator is charging or not, which is what the battery light actually means. You can use a volt meter to test what the battery is receiving by connecting it to the middle of the posts while the engine is running.