1999 Cadillac Deville blower motor

Tiny
YOOGIE
  • MEMBER
  • 1999 CADILLAC DEVILLE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 109,000 MILES
The blower motor, heater /ac works when it wants to. If I set it on auto low, it works longer than auto high. HELP!
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Monday, August 10th, 2009 AT 8:58 PM

3 Replies

Tiny
FACTORYJACK
  • EXPERT
Does it just stop blowing, or does the panel go blank?
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Monday, August 10th, 2009 AT 10:19 PM
Tiny
YOOGIE
  • MEMBER
The panel is fine, the motor just stops, and sometime will kick back on. Does it in heat or ac mode
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Monday, August 10th, 2009 AT 10:26 PM
Tiny
FACTORYJACK
  • EXPERT
I would say your blower is probably failing. It is simple to check if you have a voltmeter or test light. When it stops working, you can check at the blower connector for 12 volts across the two large wires, or a test light that lights. If either of the tests show results, you have power to the blower. It is safe to say at that point, the blower is bad. Simply banging on it when it stops, may cause it to resume operation. Usually the brushes or commutator bars are worn/dirty, but it is serviced only by replacement.
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Tuesday, August 11th, 2009 AT 12:51 AM

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