1999 Cadillac Deville blower to air condition

Tiny
MUNDENJA
  • MEMBER
  • 1999 CADILLAC DEVILLE
  • V8
  • 2WD
  • AUTOMATIC
  • 19,900 MILES
Blower will not shut off when engine is shut off, but can cut off air condition
Tuesday, July 6th, 2010 AT 10:04 AM

1 Reply

Tiny
BLUELIGHTNIN6
  • 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.
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Tuesday, July 6th, 2010 AT 10:34 AM

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