You can get one at any Ford Dealer. I got mine through Bill Jenkins at Sentry Ford, but now he's in Nevada I believe. Check out the Parts Section for more info on that. As far as the part # goes, it's F5RY-13776-A (Lamp Assy) $20. I got another one at a junk yard for $5 for my wife's car.

1997 Contour Sport ATX Zetec/2.0 liter 1998 Contour SE ATX Duratec/2.5 liter