> and can't figure out how to switch back to 12 from 24 hour. I bought the
> van this way but there has got to be a fix.

I think there's a link on vanagon.com explaining how to modify the clock
to show 24 hour time.  It should be fairly simple to reverse the
modification.

It's something along the lines of adding or removing a jumper wire from
the clock circuit board.

Bill