I just solved this problem myself yesterday, except my fan stayed on even
when the key was off.   My thermostat switch was bad.  Replacing it did the
trick.

deb
'85 Westy "Gypsy"

on 6/26/02 6:03 PM, Automatic digest processor at LISTSERV@GERRY.VANAGON.COM
wrote:

> Date:    Wed, 26 Jun 2002 13:28:26 -0400
> From:    Kenneth Madsen <ncc0778@CORP.ATTCANADA.CA>
> Subject: Radiator Fan will not turn off.
>
> My rad fan stays on all the time. Sounds like full speed. Even from cold
> start - where should I look first?
>
> Searched archives on this but no specific results..
>
> Ken M.
> 87GL