spirograph said:
get one of them kurdtz control plates, with a gibson style switch, and just disconnect the rest?
This would work. Paul Rhoney made the one I used. You can find him by googling "Paul Rhoney Guitars."
IIRC a three way switch like the ones Mustangs and Jag-Stangs use are slightly longer than a two way switch and wouldn't fit. You would have to get a custom plate made for that. Paul could make that for you or one that works with a toggle. Mine with a toggle, looks like this:

DSC03246 by Hentai No Baka, on Flickr