Hi Vicki,
If it was me Id just get on ebay and message the breakers of GTB's, one of them should have something.
http://www.ebay.co.uk/itm/2002-SUBARU-LEGACY-GTB-E-TUNE-TWIN-TURBO-SILVER-BREAKING-FOR-SPARES-/282107649839?hash=item41aeed1f2f:g:rGIAAOSwYHxWIVwT
http://www.ebay.co.uk/itm/WINDOW-SWITCH-SUBARU-LEGACY-GT-V-LIMITED-GTB-TURBO-FULL-CAR-BREAKING-4-POTS-/302012024158?hash=item465151c55e:g:7MwAAOSwDk5Tu9a-