I think he wanted the "Single" switch ('85~'91) which is:

http://busdepot.com/details.jsp?partnumber=025906011A

Or

http://www.van-cafe.com/vanagon_parts.jsp?pa=p&p=1870592475&ct=1257588058

Mike

Jerry wrote:
> Have you looked for your part here:
>
> http://busdepot.com/details.jsp?partnumber=021906028
>
> Throttle Valve Switch
> 80-85 Vanagon, Thru Engine DH033069
>
>
> Part Reference Number*: 021906028
> Brand: Volkswagen/Germany*
> Availability: Usually ships in 5-7 working days
> Qty Price $37.57
>
>
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Frank Condelli
> Sent: Tuesday, December 26, 2006 6:17 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Idle switch
>
> In a message dated 25/12/2006 1:55:46 P.M. Eastern Standard Time,
> LISTSERV@GERRY.VANAGON.COM writes:
>
> The  throttle valve switch has failed on my 85 Westy.  This switch is
> located
> under the throttle rather than above the throttle body as shown in  the
> Bentley Manual.  There are no switches on top of my  throttle.  The part
> number is 025 906 017.  This number is on the  plastic plate that holds the
> actual switch.  The actual switch has the  following: Hartmann Serie 506 4A
> 250V~.  The switch is open all the  time, so I am unable to know whether it
> should be NO or NC.  There is  a little cam on the throttle shaft with two
> bumps, one that is supposed to  actuate the switch at idle and another that
> actuates the switch at full  throttle.
>
> If anyone knows where I can get a good replacement switch I  would be glad.
>
> Alternatively, I can get a new microswitch and adapt it  to the existing
> holder.  If anyone would care to give me an opinion as  to whether it is a
> NO
> or NC switch I would like to hear from you.  I  know the 84 switches on top
> are NO.
>
>
>
>
>
> Ron, those switches are not available unless you  can find a good used one.
> It can usually be repaired.  Are you sure  it is not working is the first
> question ?  If not then you can gently  remove the cover with the use of a
> sharp
> utility knife blade.  Go easy so  as not to break the cover.  Once open it
> will
> become obvious what is wrong  and you should be able to clean the corrosion
> from the contacts, spring plate  and push pin actuator and get the switch
> back
> operating.  Sometimes that  plastic push pin seal has become swollen and
> will
> not allow the pin to move  freely, cleaning and light lube may work or
> discarding that seal and covering  the area with Dielectric grease may work
> also.
> The judicious use of  Dielectric grease on the switch parts is also
> beneficial
> after you have the  corrosion cleaned off.  Be sure to fully understand the
> location of the  spring and switch plate before they jump out of place and
> your
> left wondering  how they go back.  That little spring is always wanting to
> get
> lost so be  careful and working on a big white fluffy towel and the use of a
> pair of fine  point tweezers are advantageous.  After your sure the switch
> is
> functional  you can replace that cover you removed with some plastic glue or
> Crazy  Glue.  After you have the switch back together and operational you
> need
> to adjust the switch plate so that the switch closes (switch is NO  -
> Normally
> Open) as soon as the throttle plate starts to move and then  opens again at
> full throttle plate opening.  If you cannot achieve this in  the normal
> movement of the switch plate this is due to the plastic cam being  worn.
> The remedy
> is to bend that metal arm of the switch until you can get  the switch to
> contact the plastic cam and operate the switch within the correct
> parameters.
>
> Cheers &  Happy Holidays,
>
> Frank Condelli
> Almonte,  Ontario, Canada
> '87 Westy, '90 Carat, '87 Wolfsburg (Forsale) & Lionel  Trains
> Vanagon/Vanagon Westfalia Service in the Ottawa Valley
> _Frank Condelli &  Associates_ (http://members.aol.com/Fkc43/busindex.html)
> _Vanagon  Stainless Steel Exhaust Systems_
> (http://members.aol.com/Fkc43/stebro.htm)
> _BusFusion_ (http://members.aol.com/BusFusion/bfhome.htm)  a VW Camper
> camping event, Almonte, ON, June 07 ~ 10,  2007
>