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Blower for heat/ac only works when it feels like working. Annoying!!!

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  • Cars & Trucks Master
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Mite be able to help you out if you would tell us what make , model and year vehicle !

Posted on Dec 14, 2016

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Posted on Jan 02, 2017

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SOURCE: Blower for Heat/AC

blower motor resistor is in the front (right?) wheel well.

Posted on Nov 01, 2008

  • 2 Answers

SOURCE: new climate control unit but when on blower not working for heat or ac

I'm assuming the problem is the blower motor isn't coming on or working. 1st, check the fuse. 2nd, remove the glove box or pull the 2 tabs that act like stops when it's open ( the glove box will open out further) and you'll see the power plug connector for the blower unit. Turn on the blower through the climate control (heat, A/C, or whatever) and wiggle the connector to see if the blower turns on. If starts working, then an easy solution is pull the connector off and gently press the prongs together or inward. Then carefully reconnect with damaging the prongs. This worked for 96 Mark VIII due to the fact the prongs were not "seating" correctly in the female connector. It's been about 2 years since I did this and the connection is still good. If wiggling the plug doesn't work, pull the plug, turn on the climate control (heat, A/C), and check for voltage to the plug. That's about all I can help with.

Posted on May 28, 2009

  • 295 Answers

SOURCE: blower for ac/heat only work on lower 3 levels.

Check the blower motor resitor. Use a 12v test light at the switch and notice the bulb brightness change as you switch settings.. Probably have a bad blower resiter.

Posted on Jul 07, 2009

  • 117 Answers

SOURCE: Front AC Blower quit working. Rear AC blower

The first thing I would do is check to see if a fuse is blown or bad relay. Then I would unplug the blower motor with a test light make sure you are getting power to the blower located on the far passenger side of the vehicle under the dash if it has power and good ground then suspect vaulty motor. If you are not getting power at the plug then you might have a bad switch or resister. If it does have a blown fuse remember they usually blow for a reason like faulty wiring or even a in the motor itself. I would also recommend that you change the ac cabin filters behind the glove box if they have not been changed most people neglect them on that vehicle because they are a little more difficult to change, after removing the glove box there is a metal bracket in the way of opening the cabin filter compartment. They wont cause a blower motor to not work, however they do restrict airflow to the evaporator and they protect you from pollen, dust, and even exhaust gases. Hope this helps.

Posted on Jul 08, 2009

  • 5 Answers

SOURCE: blower for AC/heat not working on Saab 9-3 ARC

that happened to me there is a i guess u can call it a fan cooler it keeps the fan from overheating and if that blows on a hot day it can mess up your blower moter but if its not workin at all you most likely allready did that for this job the blower moter is located behind the glove box if you not half dumb its a job u can do yourself and save a looooot of money on labor

Posted on Jul 10, 2009

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1 Answer

I have 2008 captiva... My ac blor is not working..


HVAC climate contol , Heat an A/C blower motor not working ! The blower motor works for both heat an A/C . Manual or automatic climate control ? Blower motor is bad or blower motor control module is . videos on youtube on testing blower motor electrical circuits .

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Ford f150 xlt, blower fan won't blow ac into cab of truck can feel cold air when on highway. But fan not working. Help?


Check to see if the blower works with the heater on. Turn the control to heat and see if the fan works. First check the fuse for the blower. If the fuse is good and the blower does not work with heat on , the blower may be bad or the speed resistor maybe bad.

May 21, 2014 | Cars & Trucks

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The Front Heat / Ac Work's ! ! ! ...When It Wants TOO


there is a blower relay circuit board located right by the blower motor which sounds like your problem to me i've worked on several that had the same type problem and thats what it was. the two blower motor wires will plug into it and there are two screws that hold it on

Apr 23, 2014 | 1996 GMC Safari

1 Answer

Heater blows no heat


  1. check to see if you have voltage to your blower motor with key on and blower motor switch selected to a speed setting
  2. if you have voltage, then your blower motor is faulty
  3. no voltage means that you have a blown fuse, bad relay, bad fan switch, or bad blower motor resistor.

Dec 10, 2013 | Cadillac Eldorado Cars & Trucks

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No heat in a 1996 towncar


after checking coolant level,thermostat operation and if heater hoses feel hot(be careful not to burn your hand) the temperature blend door is probably at fault. It directs the air from the fan blower motor either across your heater core or A/C evaporator, giving you either hot or cold air. Most cases the dash has to come out to replace this $80 electronic motor. Good luck, Mr.P

Nov 06, 2012 | 1996 Lincoln Town Car

1 Answer

The blower fan runs on high all the time. Tried a new fuse box but, still keeps blowing on high. ac and heat work but always on high, annoying with the noise!


You have a bad blower motor resisitor. The rssistor is normally under the dash on the passenger side. If you find the wires to the blower motor and follow them it should lead you right to it.

Nov 29, 2010 | 2005 Chrysler Pacifica

1 Answer

I have no heat or ac


You mean the blower doesnt work because if it was just the blower you would still have heat and ac, It would just take long time to feel the change because no blower is pushing it out. If thats the case check that you didnt blow any fuses under the hood. in the fuse block. Your owners maual will tell you what fuse goes where.
If the blower is working then you should have either heat or AC to some degree and maybe the blend door is not switching (jammed) or the climate control switches are broken or if you have Automatic climate control then maybe the module is broken. There is a Technical Service Bullitin on the blend door issue which entails replacing the hole box ( its called a Heater Manifold) which can get pretty costly if its that.

Sep 22, 2009 | 1996 Ford Explorer

1 Answer

Blower quit


Blower motor is likely bad if it doesn't work on any speed, if it works on only one speed then there is a resistor located by the blower motor that is bad each item should run around $30 at local parts store

Nov 17, 2008 | 1996 Jeep Grand Cherokee

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