I dont have a sub or amps,the only thing i have is a piooner premier cd player .Im grounded on the factory ground wire . I tryed to ground on the frame with a 14 gauge wire ( i donno if it's good , did'n have anything bigger around ) The problem is still there . I donno if purchasing a 4 gauge wire and bolting it to the frame would do a difference ... If i unplug the ground the cd player still works and the buzzing is still there , i forgot to check if it was not working when the antenna was unplugged . That means i would ground trougth te antenna . Is that normal ? Where can i get a filter for the antenna ? if that does not work then im gonna try a bigger grounding wire to the frame if not to the battery . Could it be my alternator giving me trouble ? i Got 90 000km on my car and the alternator as never been changed a beleive . It's also random sometimes you hear it real good sometimes not . It's maybe one of ma radiator fan doing that .help please !!!!!!! (poke)