"T." wrote:
>
> Hi, I have an 84 Vanagon. The most bizarre thing.. it runs great, but
> if we have any significant rainfall and it becomes cool over
> night--cool enough to cause condensation, thn the van won't start. If
> it doesn't condense, its fine. it doesn't matter if I drove through
> rain or it was parked safely under the awning... same result.. no
> start. Anyone have an idea as to where the problem is? I checked the
> cap & rotor, all dry, clean and good shape. What am I missing here?
>
> Timothy in Phoenix.

First guess would be ignition wires with old cracked insulation.  Try
running the engine in the dark so that you can see the sparks and mist
it with water from a spray bottle.

Larry A.