How To Tell Battery Vs Alternator. If they dim significantly that is another indication of a charging problem. The alternator helps maintain the voltage of the car battery.
Batteries that contain leaded acid such as marine batteries are designed to be drained entirely and then refilled. FYI a bad alternator can actually damage a new battery but more on that later. The failures of a battery are sudden while failures of a failing alternator are slow.
Testing the Alternator and the Battery for an Answer.
Both of these car parts control your electrical system. If they dim significantly that is another indication of a charging problem. That is the output of the alternator at the battery and that range is needed to keep the battery properly-maintained. How to Tell Which One is Causing You Problems September 4 2020 by Tom Harbid When you start experiencing electrical problems in your car theres a good chance you have a problem with either your battery or your alternator.
