2004 Cadillac Deville heater motor

2004 CADILLAC DEVILLE
90,000 MILES • V8 • 2WD • AUTOMATIC
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RWAMPUS11
  • MEMBER
  • 1 POST
I have a intermitten short on the blower motor' have checked plug and fuses, no help, sonetimes when the pjassenger door is slamed it will start working. might work for days before is quits again,
Dec 14, 2009 at 9:37 PM
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BLUELIGHTNIN6
  • ASE Certified Mechanic
  • 16,542 POSTS
  • ASE Certified Mechanic
check blower motor relay
Dec 14, 2009 at 11:25 PM
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FACTORYJACK
  • ASE Certified Mechanic
  • 4,159 POSTS
  • ASE Certified Mechanic
If you have a test light, bridge the circuit when the blower is not functioning. If you have a light, you have a faulty blower motor.
Dec 15, 2009 at 10:52 PM
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