Have a 99 Sunsetter LX w/ the Monsoon. Having an issue where all my electric on the dash goes in & out. Its slowly gotten worse with time. This year starting out, the gauges don't work, the blower didn't work, & even the radio. The Battery was fully charged, the boat starts right up with no issues, even when none of the things on the dash are working. After getting up to speed all the sudden, everything will start working, but will then all of it will keep randomly cutting on & off. Is this most likely a ground issue? Or the computer going out (I know that it can be with gauges, but it doesn't make sense to me with the blower & radio also not working, they shouldn't be running thru the computer, are they? I don't have a battery switch on it. Appreciate any feedback . Thanks