Some one help please.... I own a 93 Cabriolet and lately once in a while a hear a BUZZING noise behind the dash but no warning light turns ON on panel ????? It mostly happen when i take off. and then just goes away some days it happens more then others,some days it doesnt happen at all???? I have noticed that if I put it in NEUTRAL and rev up engine a little BUZZING goes away ANY HELP WILL BE APPRICIATED THNX