Posted on 2/27/2025
Question My battery keeps going dead. I had it tested and it is fine - what could be the problem? Answer Well, your problem could be caused by several things. Let's start with a likely suspect: your alternator. The alternator is like a little electrical generator. It is spun by the serpentine belt on your engine and makes electricity. This electricity is used to power the electrical systems required to run your vehicle. It also powers all your electronic accessories like your stereo, navigation, heated seats, and air fans, as well as charging all the electronics you have plugged in. After the alternator has done all that, any electricity that's left over is used to charge your battery. You can see where we're going: if the battery isn't getting enough electricity to stay charged the reason may have something to do with the alternator. Now it could be that the alternator is bad – they do wear out over time.  ... read more
Posted on 6/14/2021

Click on the link below to read the article: Your Car's Alternator and You For more information on your alternator, including a video showing how it works, click on the link below: Alternator