T&T: Debugging an electrical problem

[John Tones]

Greg - This may have been suggested before but why don't you try another 
dock box outlet location. Maybe even slide around to another finger 
entirely that would be fed via a different distribution line. That quite 
possibly will let you know immediately if the problem is your dock box 
outlet or the boat without very much hassle.
Just a thought
John Tones  "Penta"
Sidney, BC