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1994 lesabre, hi speed a/c motor runs all the

1994 lesabre, hi speed a/c blower motor runs all the time, even when ignition is off, where is control relay

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You need to replace the blower control module. It's about six inches from the blower motor on top of the heater case on the passenger sid of the blower motor.

Posted on Sep 13, 2009

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Blower control


Check connector at the blower motor. The ground burns up in the connector. Also try this turn the blower motor on speed 3 then smack the bottom of the blower motor. If it starts blowing the brushes in the motor are worn out. Replace the blower motor.

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94 Buick lesabre, new blower motor and new control module. Blower stays on even with key out of ignition. What could be the issue? Relay or control module?


The only way for the blower to still get power with the key off...means the resistor to the blower motor is bad...The resistor is located on the firewall...under the plastic shroud...this should fix your problem...nice Buick...:)

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2003 chevy avalance a/c blower moter runs with ignition shut off


If you have the automatic climate control and the blower motor won't shut off then you have a failing Blower motor speed control module. Something inside this module goes bad and the result is a blower motor that keeps running at times even though the engine is off and the key is out of the ignition. The module isn't repairable but has to be replaced. I believe it is located behind the passenger side of the dash panel.

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I have a 1994 Buick LeSabre Limited with a blower motor that will not run. When I hook the motor up directly to the battery it works, and when I put a voltmeter on the plug that goes into the blower motor...


The blower motor fuse,or relay is not working,check these,and the blower motor switch.The relay is activated by connecting ground to the relay.Best bet,is the blown fuse.

Dec 20, 2009 | 1994 Buick LeSabre

1 Answer

1994 Buick Lesabre blower runs on all speeds


If you are referring to the AC blower, you may want to check on the fan switch. It could be caused by bad contacts or loose connections. There is also a resistor if you would trace the wiring of the switch to the evaporator under the dash. Check if it is still intact. It may be partially be burned.

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1995 explorer heater/ac blower motor


I would check to see if there is a short on the fan controller switch and the motor. sounds like a crossed wire, especially if it's ignoring your speed selection and running when the key is out. could be near the fuse box under the dash. the cig lighter circuit is live all the time as well as a couple others, it maybe crossing with it. I would pull the fuse panels assem down and check for crosses and shorts.

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