That is correct. The part number on my burnt switch ends with the letter Q which I am told was superseded by the same part number but ending in the letter T.
Cheers
Jaime

------------------------------
On Fri, Oct 5, 2012 8:36 PM CDT Rob wrote:

>He has a '91, down the page is says about the switch needed for the '91,
>"Headlight Switch - Check description 251.941.531T,  "Sorry, this
>item is out of stock. Please
><http://www.van-cafe.com/home/van/contact_main.html>contact us for
>expected availability.
>
>It does say some '89 or '90 models MIGHT have that switch... if you
>are heading for  wrecking yard tomorrow.
>
>Rob
>vwrobb@gmail.com
>
>
>At  10/5/2012 05:35 PM, Loren Busch wrote:
>>Available here:
>><http://www.van-cafe.com/home/van/search?keywords=headlight+switch&x=0&y=0>
>>
>>On Fri, Oct 5, 2012 at 8:50 AM, Jaime Forero <jforero@sbcglobal.net> wrote:
>>
>> > Folks last night as I was coming home smoke started to come out of the
>> > left side of the dash. This morning I looked and the back of the switch was
>> > melted where the 2 large prongs are and the corresponding sockets on the
>> > connector were melted also.  I have looked and there seems to be no new
>> > replacement for the switch.  Does anyone know where I might find a used
>> > switch and a connector? My Vanagon is a 1991 model.
>> >