Switch (171 959 511) is still available:

http://www.airheadparts.com/viewDetail.asp?strMasterCat=3690&idproduct=8030

Knob (if you need it) is 321 959 513 B, looks like VW Dealer on that one.
But I pick 'em all the time from the boneyard for pittance, if that.
--
Jim Thompson
84 GL 1.9 "Gloria"
84 Westfalia 2.1 "Ole Putt"
73 K Ghia Coupe "Denise"
72 411 Station Wagon "Pug"
oldvolkshome@gmail.com
http://www.oldvolkshome.com
***********************************
On 6/20/07, Jeff Oxroad <Oxroad@aol.com> wrote:
>
> In a message dated 6/20/2007 6:03:17 PM Pacific Daylight Time,
> bike2vcu@YAHOO.COM writes:
>
> >I'll take my time,
> >investigate, and massage it with the correct tools and
> >a mechanic's skill until I break it the proper way.
>
>
>
> Uhm, I hate to break it to you, but it's already broken ;)
>
> On that note, I'd be surprised if torquing in one direction or another it
> fixes it, but I suppose it's worth a try. You can't do more damage to a
> switch
> that already doesn't function.
>
> For all intents and purposes leaving it in the ON position should not
> sieze
> it. Might have just been it's time.
>
> Now what I hope is VW still has the part. Seems the same switch was used
> from
> 83-91.
>
> Part # 171 959 511
>
> But double check that it's what you need. You'll use the exixting knob
> that
> pops off if your's is not damaged, which it sounds like it's not.
>
> Best,
> Jeff
> 83.5 Westy
> LA,CA