man, i had the same problem....i almost stripped out all the screws on my door i re-connected the wire so many times. i endedup wrapping the wire around the hole for the speaker and then taping it down....with a little luck its worked so far.

97 Contour GL
Zetec + ATX
Mesh Grilles
Super-White Headlights
Super-White Foglights
Super-White Washer-Lights
CTA Intake
Removed Exhaust Resonator
DTM Tenzo Muffler
Removed Intake Resonator
No More Badges
Clarion AudioPro Headunit
4 Pioneer 6 x 8

Soon:
Touring Wing
Rims