Thanks for the reply. I've found some of them and they all seem to be too small. The apertures on our dash are about 28mm x 44mmSure it’s Lucas 159sa size you need
Yes, I think the adaptor idea is the best way to go. This is the sort of occasion I wish I had a 3D printer!They are very difficult to get hold of I'm afraid. I seem to remember someone swapping the internals over from the smaller ones into the larger ones. Alternatively is there enough room to make an adaptor plate for the small switches to go into the bigger hole?