Climate Control System 1991 Cadillac Brougham

Tiny
CARL REYNOLDS
  • MEMBER
  • 1991 CADILLAC
The fan runs at constant speed, will not turn off with car. Must un plug fan to make it stop running. Climate control system does not make any differience what it is set at. Ie Auto Hi Auto Low, Auto all the same. What could be the problem?
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Monday, February 12th, 2007 AT 11:31 AM

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Tiny
JACK42
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Either the ECC (Electronic Climate Control Unit) or the Blower Control Unit. I would probably start with the Blower Control Unit, It is basically the old fan speed resistor
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Monday, February 12th, 2007 AT 1:56 PM

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