Leave the A/C blower switch at the highest setting. That way you'll know if
the A/C switch is bumped to ON.

> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Robert Stewart
> Sent: Monday, June 27, 2011 10:43 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Problem: 88 Auto Front Radiator Fan comes on when I turn on
> the van.
>
> Yes it was the silly ac fan switch. I might have hit it or my passenger
> may have been playing with it without me noticing and it was slightly on!
>
> I should have known to check their first! SOLVED
>
> Thanks everyone!
>
> Rob
> Bloomingburg NY
>
> On Jun 27, 2011, at 1:17 PM, Ken Wilford wrote:
>
> > Actually David Bierel just reminded me that it is probably a problem in
> > the AC system since the radiator fan switch has full time hot so it
> > would just stay on all the time (even when the van is shut off).  If it
> > is shutting off with the van shutting off then most likely what has
> > happened is that someone has inadvertently turned your AC on (temp
> > switch).  Check to me sure this is turned off.  If it is then it could
> > be a problem with a relay in the back of the van but I am betting that
> > the switch got bumped or turned on by a little kid or something.
> >
> >
> >
> > On 6/27/2011 12:38 PM, Robert Stewart wrote:
> >> Thanks Ken!
> >>
> >> Robert
> >>
> >> On Jun 27, 2011, at 12:31 PM, Ken Wilford wrote:
> >>
> >>> Robert,
> >>>
> >>> I would unplug the radiator fan switch and see if that turns it off.
> >>> If it does then I would say that this switch has failed.  The fan
> >>> switch is located by removing the lower grille and then you can see
> >>> it on the driver's side lower part of the radiator.  New ones are $19
> >>> so it is not a big deal to replace.  Let me know.
> >>>
> >>> --
> >>> Thanks,
> >>> Ken Wilford
> >>> John 3:16
> >>> www.vanagain.com <http://www.vanagain.com>
> >>> Phone: 856-327-4936
> >>> Fax: 856-327-2242
> >>>
> >>>
> >>>
> >>> On 6/27/2011 12:21 PM, Robert Stewart wrote:
> >>>> So the other day I started the van (1988 Auto GL Wolfsburg Edition
> >>>> with AC - Not charged) and the front Radiator Fan went on a stayed
> >>>> on while I was driving.
> >>>>
> >>>> The engine was cold and it was not hot out.
> >>>>
> >>>> It stayed on during the entire drive and only shuts off when I turn
> >>>> the ignition is off.
> >>>>
> >>>> All temp sensors on the engine and coolant system were replaced 1
> >>>> year ago as well as all coolant lines and a coolant flush.
> >>>>
> >>>> Any ideas?
> >>>>
> >>>> Fuse, Relay?
> >>>>
> >>>> Any advice would be appreciated.
> >>>>
> >>>> I am a real beginner when it comes to electrical so if its an
> >>>> electrical issue please explain it as simply as possible.
> >>>>
> >>>> Thanks again to everyone for invaluable assistance!
> >>>>
> >>>> Robert
> >>>> NY
> >>>> 88 Auto Vanagon
> >>>> 5,000 on rebuilt engine.
> >>>
> >>