Sounds to me like to engine exterior is really dirty and its got a bunch
of marginal (because of dirt / corrosion) electrical connections.

Stan Wilder
83 Air Cooled Westfalia

On Tue, 19 Feb 2002 09:45:42 -0500 "Forhan, Thomas"
<Thomas.Forhan@MAIL.HOUSE.GOV> writes:
> NPR's Kathleen Schalch has given the ultimatim to her husband!
>
> Their 175K '91 Carat stalls when "damp" or raining. Their mechanic
> said "I
> dunno".
>
> Spark plug wires? Whatcha think?
>
> Demented Tom F.
>