I lost the key to the parts truck I purchased and I wanted to use the ig switch, so... With my switch inhand, I was able to pick it myself. I have this old worn out Craftmans tool box key that will just about pick anything if you sort of rub it inside on the little do hickies there and keeping pressure on the lock at the same time. Once I had it truned into the on spot i ran a finishing nail down into it.. I may have just gotten lucky...
Good luck, god bless.