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93 buick lesabre limited blower motor

07-17-2011, 02:27 PM
My blower motor stays on when i start my 93 Buick Lesabre limited. The air comes out of my defrost area. I disconnected my control module and it still runs when i turn my car on. What would cause this problem and what do i need to fix? Thank you for your time and intellect.

big white bufflo
07-19-2011, 09:24 AM
do you have dual zone climate i had my 92 do the same thing it ended up to be the fan cotrole modue lit controls the speed below the fan fallow the wires from fan the heater box its best seen by removeing the engine cover

07-21-2011, 09:40 PM
i do have the dual zone. Did your blower motor turn off and on with the ignition? and did the blower motor still run after disconecting the control unit in the dash? i just diconected the blower motor plug for a temporary fix/unannoyence thank you for the reply. I apreciate your time.

07-21-2011, 09:57 PM
You have the typical symptoms of a failed blower control module.

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