1998 Mercury Mystique Heater Wont Come On

1998 MERCURY MYSTIQUE
100,000 MILES
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  • 1 POST
my heater wont come on
Dec 26, 2012 at 10:42 PM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
1st step should be checking the fuses
Locate blower motor and check for power and ground
If have power and good ground it’s a bad blower motor
If have power but no ground with key on fan switch on high suspect bad blower motor resister
Dec 27, 2012 at 4:21 AM
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