thanks Todd,

I hope that you will find what relay ..

On Fri, Oct 17, 2014 at 2:36 PM, Todd Last <rubatoguy@comcast.net> wrote:

> I had this problem and I want to say it had something to do with a relay
> behind the rear cabinet. I will have to search my notes...
>
> ------------------------------
> *From: *"Dan N" <dn92610@gmail.com>
> *To: *"Rubatoguy" <rubatoguy@comcast.net>
> *Cc: *"List, Vanagon" <vanagon@gerry.vanagon.com>
> *Sent: *Friday, October 17, 2014 11:18:54 AM
>
> *Subject: *Re: High idle w. A/C on... please help
>
> yes Todd AC is connected and working well, no leak, gives cold air -
> except high idle (2K RPM) and fan on medium speed.
>
> thanks
>
> On Fri, Oct 17, 2014 at 11:13 AM, Todd Last <rubatoguy@comcast.net> wrote:
>
>> Is your AC connected and working? Belt connected on the A/C compressor?
>>
>> ------------------------------
>> *From: *"Dan N" <dn92610@GMAIL.COM>
>> *To: *"List, Vanagon" <vanagon@GERRY.VANAGON.COM>
>> *Sent: *Friday, October 17, 2014 11:00:02 AM
>> *Subject: *Re: High idle w. A/C on... please help
>>
>>
>> thanks Mark...
>>
>> on my others Vanagon I get 1200RPM at idle with A/C on and not 2K RPM, I
>> think it's too much but 1400RPM is acceptable.
>>
>> dan
>>
>> On Fri, Oct 17, 2014 at 10:34 AM, mark drillock <mdrillock@cox.net>
>> wrote:
>>
>> > The idle is supposed to increase when the A/C is on. There is a wire
>> > from the A/C compressor clutch over to the idle control unit so the idle
>> > control unit will know to increase the idle speed so the A/C doesn't
>> > stall the engine. I don't know what the idle speed rpm increase is
>> > supposed to be but maybe someone else does.
>> >
>> > That year should have the later trinary pressure switch and this could
>> > be giving a false indication of a need for medium fan speed. Or maybe
>> > someone could have fooled with the wiring to make it do this?
>> >
>> > Mark
>> >
>> >
>> > Dan N wrote:
>> >
>> >> hi all,
>> >>
>> >> 1990' Carat - recently purchased - rebuilt engine - smooth idle 950
>> RPM -
>> >> A/C recently serviced, cold air, new fan switch.
>> >>
>> >> When I turn the A/C on the idle jumps to 2000 RPM - the fan goes to
>> medium
>> >> speed all the time.
>> >>
>> >> What part or parts that triggers the idle?
>> >>
>> >> What part or parts that triggers the fan?
>> >>
>> >> please help -  I search in the archive and only found an April 2000
>> >> article
>> >> about this..
>> >>
>> >> many thanks in advance
>> >>
>> >> dan
>> >>
>> >>
>>
>>
>
>