Originally Posted by east tx skier
Not sure about the hole under the observer seat, but the stock location for that battery is where it is. The previous owner didn't do anything but leave it there. I agree it's a pretty dumb place to have the battery. I have read that the cables are long enough that you can just pull them through the bilge and redirect them where you are thinking. How you get it there, I don't know. I just held my breath and hoped for no fuel leaks when I owned my early 90s Pro Star.
Weird that they would mount the battery back there.