Hi, new to the forum and really needing help. My wife's borrego is having some stereo issues. The radio works good for about the first 5-10 minutes the car is running, then turns to static. You can still hear the radio under the static, just have to crank the volume. This happens on every setting (tuner, sat, aux, cd). Was told there could be a factory amp going bad, but no definitive answer. Thanks!