Did you replace both battery cables and all of the grounding straps to the body and motor? That battery corrosion can happen inside the cable where you cannot see it.
I think you have a faulty alternator with some flakey diodes.
You all know she lost that arm to a shark attack! Apparently surfers are on the menu!![]()
Surfed in the Red Tringle for years. Great white central! When the seals disappear, it's time for you too...

Plenty of tigers in Hi as well.