This has been happening for a while now and i just got tired and took off the ground. My radio is wired up right, and i have the speakers wired to an amp which has rcas going from the radio to it, same with sub. Yet when i turn on the car, i get this annoying buzing sound when the car is running, i have to blast the radio to not hear it. Anyone know what it is? I just took the ground off the amps and taped them up im tired of that buzzing sound even if it means losing music.