Whats the fix for the ground issue on the engine? I assume it does not cause any harm? It was said before that a low audible buzz was a ground issue and I have checked everything I know to check and still get an intermitent buzz. Sometimes I can turn the master power off and then back on and it goes away. Sometimes I have to turn it off/on several times before it stops. I noticed during the OI it would buzz when I was on the trolling motor and would stop when I got off. Sometimes I can flip the light switch at the bow and it will go off. Kind of frustrating not knowing what causes it and how to make it go away for good. Maybe in a few years Ill be like my dad and not be able to hear it. HAHAHAHAHA!!!!Jim EbarbMany, LA (Toledo Bend Lake)2004 Cougar/ 225 OptimaxHumminbird Helix 12 Chirp SI on BalzOut Mount at bowLowrance HDS 7 at bowHumminbird Helix 12 Mega SI on Ram Mount at ConsoleLowrance HDS 8 in dash at console