1999 Cadillac Deville blower to air condition

1999 CADILLAC DEVILLE
19,900 MILES • V8 • 2WD • AUTOMATIC
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MUNDENJA
  • MEMBER
  • 2 POSTS
blower will not shut off when engine is shut off, but can cut off air condition
Jul 6, 2010 at 3:04 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
Hello and thanks for donating


The most likely culprit would be a stuck / faulty blower motor relay. Test the relay, if it is OK then the blower motor resistor may be the issue and will need tested.
Jul 6, 2010 at 3:34 AM
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