Question about 2003 GMC Savana

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Blower runs even the car is off and car keys are out

The blower kick on even engine is off.
The car engine is off, blower blows on high, so I detached the battery, and its stop, I waited 10 minutes to hook the battery, blower runs,- - the car engine is off, the keys is in my pocket

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You have a relay that is stuck check in the owners manual to see witch is for the fan and replace it that will fix the problem

Posted on Oct 03, 2008

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Problem is the blower resisotr is a factory defect. there is a new version, i got mine from carquest. problem solved.. the upgraded version is a bit larger so plan on cutting a little off the plastic box.

Posted on Dec 13, 2008

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AC blower will not turn off on 1999 Cadillac Deville?


Are you sure it is the AC blower? a lot of modern cars have a temperature controlled radiator fan, this can run when the engine is very hot , even when the keys are removed. It is a safety feature to protect your engine.

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2006 Chevy Silverado 1500 z71 4x4 the ac wont kick off after key is out of the ignition and it only blows hot air.


I am assuming you mean the blower will not stop with the key off.
The compressor can't run with the engine off.
I would look for a stuck blower relay.

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Heater has stopped working


(1) possible blown fuse.
Note that fuses blow for a reason - seek out the reason, or it will blow its new fuse too.

The main fuse block is located inside the left side of the engine compartment near the battery. There is also an interior fuse panel located just above the left side kick panel.

Interior Fuse Panel
The interior fuses simply unplug from the fuse panel. Use the fuse puller tool provided with your car to remove fuses from the panel. The tool is located on the back of the interior fuse panel cover.


(2) possible blower motor dead. See maintenance manual excerpt below.

(3) possible blower motor relay faulty. Location of Blower relay:
Under hood, drivers side, front engine area,rear of headlight housing; relay mounted on drivers side of radiator shroud.


1990-92 Mazda 626 and MX-6
See Figure below

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  1. Disconnect the negative battery cable.
  2. Remove the glove box and the underdash cover.
  3. Detach the electrical connectors from the blower unit.
  4. Remove the blower unit-to-fire wall attaching bolts and remove the blower unit assembly.
  5. Remove the blower motor fan-to-motor fastener.
  6. Remove the blower motor-to-unit attaching bolts, then remove the motor.
  7. Installation is the reverse of the removal procedure.

Feb 01, 2011 | 1991 Mazda 626

1 Answer

My 2002 GMC Sierra blower/A/C keeps running even with the engine off. I removed the A/C Fuse and it stops. Do i need to replace the Blower Motor Control Module and if so were is it.


If the Blower is staying on high maximum blow then it is probably the a/c blower relay. The other thing it could be if not on maximum is the blower motor resistor pack. Lastly would be the blower switch shorted to power.

Oct 10, 2010 | 1991 GMC Sierra

2 Answers

AC blow cold aire and after maybe 1/2 hour blow hot Im take to the Kia service repsir and they check and said is a 45 all ok


  • Start the car and turn the air conditioning on. Allow the engine to run a few minutes so the air can cool. Check to make sure you have the proper buttons selected. This simple step may uncover the root of the problem.
  • See if the problem is as simple as a blown fuse. If the temperature controls on the dashboard seem to work correctly but have no effect on the air, then this is likely the problem. Find the interior fuse box in a Kia on the driver's side. It is located near the floor. Remove the kick board to get to it.
  • Check the control panel next in your Kia . If the air conditioning controls are not working at all, then the control panel is likely to blame. Remove the trim plate surrounding the center instrument panel. Detach the electrical connectors and remove the control panel.
  • Listen for the blower motor while the engine is running. The sound should increase when the air pressure is turned to high. Remove the blower motor by first unplugging the negative battery connection.
  • Find the blower motor in your Kia directly in front of the glove box. You should be able to get to the blower motor without removing the glove box. Unscrew the four screws holding the motor into place and pull it downward



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