I having a weird issue which i have been having and looking for suggestions as where to begin. Usually i hear people having issues with their alt light going on AFTER turning on headlight, radio, etc. My Alt light comes ON when no devices are on. If i turn the headlights on, or open the door, or turn the radio on, the Alt light will go off. If its only just then engine running, the light flickers on. Any thoughts??? tks