What does the alternator warning light ( battery warning light ) mean?
What does the alternator warning light ( battery warning light ) mean? What Does the Alternator Warning Light (Battery Warning Light) Mean? The alternator warning light means there is an issue with powering the battery. This could be due to the alternator becoming worn out. Do you need a multimeter to check an alternator? This is done with a multimeter. You don’t have to use a multimeter if you have alternator problems of a mechanical kind (pulleys, bearings or else). These kind of problems will manifest themselves in other obvious ways (grinding or screeching noise, snapping of the serpentine belt...