I have an '04 Chevy Cavalier purchased from previous owner a few years ago. Have been through 3 or 4 new batteries already. It will be fine if driven daily (even if only a couple miles a day), but if it’s not driven for a day or two, the battery dies. At first, the lights in the car and everything will still come on, it just won’t start or will have difficulty starting. After that first time of being difficult to start or not starting though, it gets worse and worse. At first, I’ll be able to charge the battery and use it for a day or two without having it completely die on me, but it quickly gets to the point where you have to jump it to start it every time and loses the ability to hold a charge at all. Soon, the battery will completely go bad and you won’t even be able to jump it. It will be completely incapable of holding a charge. I’m not sure if it is an alternator problem or a problem somewhere in the electrical system.
Half the dashboard lights are very dim-not working; the overhead light occasionally has issues where it will flicker on and off when taking a turn, going over any kind of bump, or hitting the breaks; the trunk light used to sometimes work, sometimes not work until my ex’s grandfather decided to rip it out. Those are the only other things I know that are weird about it electrically. I’m hoping to be able to take it to a mechanic pretty soon, but would like to have an idea of what might be going on beforehand. Thanks.
Edit to add: Have not had it die while driving, just can’t start it again once shut off.