BBorges: Only if your Contour is a 2001 model and you have replaced OEM with a HAL computer, could it explain your problem.
The right track might be to review the "some work" you performed, and any fuses that might have blown.
98 Mystique LS v6 atx 110,000km 97 Contour LX v6 atx 125,000km stock CD on LS, cass on LX spoiler, tinted windows on LS only 4 wheel discs on LX only All other available options on both