[Fred S]

Dave,

I have what sounds like a similar switch. It has 2 tabs on the back holding an insulated piece. I was able to slightly bend the tabs, to get the insulated piece out. Inside was a bar, that made contact with 2 contacts when the key was turned. I was able to clean everything, stretch the spring that puts pressure on the bar, and reassemble. So far, so good, but I don't think the tabs will bend again without breaking.