Mystery Lights

[wilnwil]

Ok here is the problem and we have no idea where to start with it...When we drive down the road everything is great until you reach the speed of 65mph + then the interior lights and headlights start blinking. Its a 95 Taurus. When you lower the speed to 65 or less everything is ok once again.
We do have a squeal from the surpentine belt if that makes a difference. We bought the car second hand and its installed with every safety and anti theft device there is i think and a few ppl told us this is a chip in the anti theft devices that make it hard to go too fast...Hmm Any ideas?

[illegal_op]

It could be your alternator. you should have it checked as soon as possible. The surpentine squealing could also be caused by the alternator.