This thread from Zetec forum will show you a non-smoking version, adding to the thread may solicit specific advice.
http://www.contour.org/forums/ultimatebb.php?ubb=get_topic;f=33;t=001025
While I have hard copy of '97 wiring manual unable to e-mail, but could answer specifics. Having a '98 I also know, for example, that warning lights have different configuration.
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
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