You might find the plug in here under 1 wire female connectors.
http://departments.weber.edu/automot...s%20Repair.pdf
No guarantee if they are still being made though.
If your around Phoenix, call all 6 dealers around there and see who is willing to help once you get the right number and make them your freindly neighborhood dealer.
Or just go to ecology, pick and pull or U pull it and get one from there.