2000tee.el

so when i turn my radio on everythings fine, then after about 5-10mins or so while driving the radio will make a really high whizzing sound then the whizzing/high whyning stops and goes back to normal(can still hear music with annoying sound in background) sometimes it lasts 30seconds-2minutes. but happends too often and its really annoying.
any ideas? thanks!!
2000 tl-p

sam3

does it have a stock radio? do you have have aftermarket amps? If yes, check your radio ground and amp grounds. If not, it could be your radio connection to the stock amp.