My '97 manual idicates different sensors front/rear but not drum/disc.
Connector is under rear seat cushion. Seems like easy DIY replacement, don't know parts cost but probably 1 hr labour plus road test.
No need to replace in pairs.
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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