I had the same problem. I rewired it all myself! I bought my supplies at Sew-Classic.
http://shop.sew-classic.com/Singer-Cords_c34.htm
I don't know what her policy is concerning shipping to Canada. I can tell you that she is fast to ship and quick to answer questions.
There's lots of good information about rewiring here on the board and on the web.
Good luck! Its so rewarding to do it yourself!
Colleen