Why is my battery light coming on?

The battery light on your car comes on when there is a problem with your car's charging system. This could mean that the alternator is not working properly, or that there is a problem with the battery itself. If you see the battery light on, it is important to have your car checked by a mechanic as soon as possible.


Here are some of the reasons why your battery light might come on:


* **Loose or corroded battery cables:** If the battery cables are loose or corroded, they may not be able to provide enough power to the car. This can cause the battery light to come on.



* **Problem with the alternator:** The alternator is what charges the battery. If the alternator is not working properly, the battery will not be able to charge properly. This can cause the battery light to come on.

Blog Battery light coming on | J & H Automotive Inc.

* **Damaged cells or plates inside the battery:** If the battery cells or plates are damaged, they may not be able to hold a charge properly. This can cause the battery light to come on.



* **Faulty wiring in the car's electric charging system:** If there is a problem with the wiring in the car's electric charging system, it can cause the battery light to come on.


If you see the battery light on, it is important to have your car checked by a mechanic as soon as possible. The mechanic will be able to diagnose the problem and recommend the best course of action.

By jhautoinc July 26, 2025
That Chirp, Squeak, or Squeal? Your Car is Talking to You.
By jhautoinc July 22, 2025
Summer is calling, that means hitting the open road!
By jhautoinc July 18, 2025
Keeping Your Engine From Overheating
By jhautoinc July 15, 2025
Why Hot Weather is Tougher Than Cold on Your Battery
By jhautoinc July 11, 2025
Don't Wait Until It's Too Late! Signs Your Brakes Need Attention
By Ron Greenman July 8, 2025
Are you ready for an adventure? Your Essential Pre-Trip Car Check.
By jhautoinc July 1, 2025
This is a subtitle for your new post
By Bobby Poist June 27, 2025
And what to do about it.
By jhautoinc June 24, 2025
What you think you know may be costing you extra.
By jhautoinc June 12, 2025
Coolant Leak?