How To Tell If Car Battery Is Dead Or Alternator. A dead car battery is the first sign that something might be wrong with the alternator. The Alternator A dead car battery is the first sign that something might be wrong with the alternator.
This could mean that the alternator is not keeping the battery charged. Heres how to test the alternator and see if the battery is bad. If its one of those two placing the blame can be relatively simple.
Pop the hood and check the battery and you might think youve found the culprit.
If they dim significantly that is another indication of a charging problem. There are two simple tests for checking your alternator. Heres what to do. I n our bad alternator vs bad battery competition weve only heard.
