hey
im having trouble with my double din pioneer dvd player in mine. i got a jvc
amp running of the head unit to alpine type r speakers but im getting this
engine noise. its only humming when the engine is on but works fine when
engine is off. i tried grounding it better (very thick grounding cable, sanded of the pain, added a second cable from the battery to the body even ran a secondary ground cable to the negative terminal) but i cant seem to get rid
of the humming noise. i can hear the indicators and even the breaks through the amp speakers. help need b4 i go mad