Question about 2001 Buick Regal

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AC Blower not working. Does not have power at

AC Blower not working. Does not have power at blower plug. Compressor running. Fuses appear fine. Is there an electrical relay switch in the fuse box that controls power to the blower? What else should I look for.

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  • william darter
    william darter May 11, 2010

    is this on your buick?

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  • Master
  • 1,129 Answers

Replace the fans resistor

Posted on Jul 03, 2009

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How to trouble shoot front blower


There are several reasons for a blower to stop working. Does it work on ANY speed? Does the AC compressor lamp or any of the vent control LEDs still work when using the AC controls? Do ANY of the speed for the blower work or are they all dead?

1st, you wanna check your fuses. There will be fuses in the underhood fusebox marked blower or heater fan, check and repalce as necessary. Also, if the earlier check for working LED bulbs on the AC control panel showed some or all lights dont ever turn on when engine is running, you may have problems with the control system.
if the fuses are good, now you need to test parts. there is a blower motor speed control aka blower resistor that frequently fails on most cars. It is the part that carries the current for all speeds of the blower and regulates speed when commanded. It has to absorb the excess energy to lower speeds and it tends to get very hot and burn out as a result. If it has failed, there will be power IN on one of its wires, and no power OUT on any others. If you have no multimeter or testlight to check things like this, Id recommend taking it to a certified mechanic.
If the control lamps all work that means controls have power, if the blower resistor has no power, fuses or blower relay are the most likely cause. if the blower resistor has power but still no fan, most likely your fan has failed. as a general rule, I replace fans and blower resistors as pairs. fans tend to last longer, but they also get more demanding with age (kinda like people) and that extra demand will burn out the newer resistor much faster than when the fan was newer. it can be alot of time and money to change a blower TWICE, so to be sure it wont fail again, test current, or simply replace the blower fan if it is determined a resistor has failed. (a good fan in theory shouldnt draw enough amperage to burn out a good resistor, EVER, so if the resistor burns, the fan is typically drawing too much power, and even though it works "fine", it will burn the next resistor in a short time as well.).

Feb 24, 2015 | 2005 Dodge Caravan

1 Answer

How do I troubleshoot BMW 325i heat/ac blower? It suddenly stopped working.


REPLACE THE FINAL RESISTOR PACK, THEY GO OUT ALL THE TIME.

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1 Answer

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There's a 10amp fuse that powers the ac clutch relay and compressor. There are 15amp fuses that power the blower motor and the ac control switch. All of those fuses get power from the key switch. The resistor and fan switch provide the ground circuit for the blower motor.
I would want to know if those fuses are getting power, and if the control panel is working. You should be able to ground the blower motor and make it run on high, and that should not have any effect on if the ac compressor is running or not.
It could be a key switch problem in that the circuit is not strong enough to handle the load from the blower and the compressor at the same time.

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1 Answer

2004 honda cr-v blower motor does not run


Try going to this site as they have a lot of ideas: http://www.wikihow.com/Diagnose-a-Non-Working-Air-Conditioning-in-a-Car Also there are some videos on YouTube you may want to see: honda crv ac air conditioner blower does not run


I hope that helps you out!

Mar 31, 2017 | 2004 Honda CR-V

1 Answer

Front blower for ac is not working. what could be


Disconnect the blower motor connector behind the glovebox. Using a test light check for power to plug with the a/c fan switch on. If you have power on the plug then the motor has gone out. Make sure that all connections are connected. Hope this will help you.

May 30, 2010 | 2001 Dodge Durango

1 Answer

AC compressor works fine, Blower does not. How do you repair?


check the fuse in the fan-fan relay-check voltage at the terminals of the blower if you have the voltage problem is to check the blower motor of the blower speed control

Aug 11, 2009 | 2006 GMC Sierra

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It sounds like your blower motor went out on you,A/C+heater.

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1 Answer

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you have either a bad blower motor resister or a bad blower motor. the resister is located in the heater box close to the blower motor.

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1 Answer

2002 Chrysler Blower Motor - Van than postal truck hit


is the blower unit getting power at the plug in? use 12v light tester, if so then your ground good? if so you need a new blower simple!

Dec 29, 2008 | 2002 Chrysler Town & Country

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