I am looking for a 4-terminal ignition switch for a 1972 Montgomery Ward Lawn Tractor.
It is 1 1/2" wide and 1 1/8" deep with the letters D.S.B.C. on each terminal.
Model#GIL-33144A, Part# 12195.

See if this place helps:
Re: 1977 Montgomery Ward lawn Tractor GIL-33183A, Serial # 636 4339 A1 (http://www.ssbtractor.com/wwwboard/messages8/9918.html)
Enter your Model Number.

I checked out the page, it has the model #, so I will call them.
Will see if they can help.
Thank you