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Blower Constant


Mantis421

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The blower unit never stops. This is the unit that controls the Heat inside the car. The unit is loctaed behind the ignition mod, right in the frie wall. It runs even when I stop the car. I have to unplug the unit to stop it. The manual only help with "Impropper Blower Speed"

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Your blower control module needs the connection cleaned. If that does not work you need to replace it. On my 92 Deville it was on top of the duct work on the firewall about the center. I had to remove the fuse panel to get to it. It is rectangular in shape and has 2 plugs in it. One is a 4 prong and the other has 2. The plug has locks on both sides that have to be removed before it will unplug. It is not that difficult to replace, it has 3 screws that hold it in, pull it out and replace it. The hard part is just getting to it. I think in 1994 the module was incorporated into the motor, in that case you have to replace the blower motor. Good luck.

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