what would cause my ac fan to blow on high only

2006 FORD EXPEDITION
95,000 MILES
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JCAB
  • MEMBER
  • 1 POST
I have checked fuses all ok changed datc relay told it was bad but to no avail still the same issue
Jun 13, 2012 at 11:59 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Faulty blower motor resistor
Jun 13, 2012 at 12:03 PM
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