Is the buzzing only when you play cd's from your changer, HU? I have had problems with some RCA connectors that are not insulated at the end points picking up ground interference. check to see if any wires are passing under your RCA's at their connection points. Happy Hunting.

Later,

Chris

99 Se,MTX,TS.
Formerly Dieter88, TbnPlr
NEW ding guards !!