HAd the same problem about 3 weeks ago, eventually my motor quit on all settings,. I too have a 99 Mystique must be a heater blower motor flaw or something. I bought the motor for 90 Canadian and changed it myself in 10 minutes.. Good Luck.. Search my name in the archives and you can find the links to fix it yourself.. BOL to ya
1999 Mystique Sport 2nd owner bought it in Sept 03
120000km 4 door, leather, loaded pics on cardomain, coatsy
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