a mate of mine has an FRST we changed the fuse board on it by cutting one out of an XR2i in a scrappy. (undo a couple of screws there should be enough room to drop it down and butcher the whole lot out) then cutting the wires one by one on your car and soldering in the same colour one by one. So not hard (ie not a dashboard out job) but it does take ages unless your a soldering genius.