I believe this will start you in the right direction

http://www.contour.org/FAQ/FAQ.php?s=probs&displayid=15


95 Contour Zetec, ATX (wrecked, sitting in the barn) 95 Mystique Zetec, MTX 2000 Taurus SEL 3.0L Duratec 1994 Crown Victoria LX 4.6 V8 1993 Chevy Silverado 4.3 V6