Damn. It might be the alternator. I installed a 130 amp back in the summer. While installing sway bar bushings, I inadvertently jumped the two bolts on the back of the alternator with a long socket extension with the radio on. Really innocent mistake but it was enough of a jump to burn a place in my socket extension. Not good.
Others have recommended the dimmer switch too.
pony_power_90, I am a few miles out of Owensboro. Up here there are tons of Stangs - most like mine falling apart but there are a few sweet *** rides here and there.