On two seperate instances now I have started the car (02LS8 111K) in the morning to "check charging system" with alternator (battery icon) light on. My left HID was flickering due to low voltage I assume. Ive got a 50 minute drive to work, so I turn off everything and start driving. After a few minutes everything goes back to normal. The battery is about a year old, and the connections are clean. The alternator itself I cant even see except for the pulley. Is there any external source like a voltage regulator or something that can turn the alt on or off, or am I looking at a faulty alt for sure? Thanks...... BTW I put my back seat down so that I can see the RF lightning cap that has a voltage LED and it reads 14.1-2 volts all the time, but I didnt read it when the car was acting up.