Question about 2000 Pontiac Grand Am GT

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Blower motor resisters

Is there any way to check the resisters for the blower motor?

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There are no reseistance specs in the factory service manual, but the usual problem is the thermal limiter is open (looks like a resistor), you can test that with an ohm meter or continuity tester.

Posted on Nov 05, 2008

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The fan is not working


Prob blower motor resister check voltage at blower motor and grounds at the resister connector while changing speed setting will come on the different wires in that connector if you have powers and grounds at the blower motor it's a bad blower motor

May 27, 2014 | 2002 Mitsubishi Montero Sport

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Blower motor problems


If ,and when,your blower motor has problems,and it will not blow on the low speeds, consider the blower resister,it is what controls the speeds for your blower motor.Now,replacing the blower resister is the thing to do,but two things to check for also,,the connector to the blower resister,and to the back of the fan select switch,the one you control,on the dash.These connectors,including the fan switch can be burned,and need replacing also.Now the reason these go out,and burn,and melt the connectors,is,that the blower motor is pulling too many amps,even though the blower motor runs great,and sounds good,trust me,the blower motor is the reason,so replace all of these parts when you replace the resister.If the connectors are fine,and the blower switch is fine,of course they will not need to be replaced,but the blower motor is a must,or you just might have to do it all over again in a few months,along with the switch,and connectors I mentioned.

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check blower switch blower motor and blower also check the resister for blower motor if it does it wile at a stop reach over and tap on blower motor and see if it comes back on if it does most likely it blower motor

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WHERE DO I FIND MY RESISTERS FOR MY HEATER BLOWER SO I CAN REPLACE THEM


Under dash panel,or behind glove box on most of vehicles.

HEATER BLOWER MOTOR


Its faulty blower motor resistor. The low and medium speed on blower motor is controlled by resistor and its actual speed is high. So because resistor is not working, blower motors actual speed which is high is working.


It can be faulty blower motor or faulty blower motor resistor. Get the blower motor inspected. If it's faulty it has to be replaced.


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For blower motor testing and replacing, check the link below: ----

Blower motor Testing/replacing for all vehicles?

http://repairhelpcenter.blogspot.in/2012/02/blower-motor-replacing-for-all-vehicles.html

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These will help.

Thanks.

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2005 Nissan Altima blower motor does not work


Check the direct connection to the blower motor. Check the fuse. Sometimes you can try to put it on high and try hitting the blower motor to see if turns on. It may also be the blower switch or the blower itself.

Nov 22, 2011 | 2005 Nissan Altima

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Blower motor only runs on high


It is the blower motor resister next to the blower motor,it is what controls the speeds.It will have about 7 wires that plug into it,and it is most likely mounted with two screws,it will actually mount on the out side,but fits inside the blower box,to keep it cool,now,even though the blower motor may run quite,and smooth,it is pulling to many amps,this is what causes the resister to go out,my suggestion,is to replace the blower motor also,or you will be replacing the resister often.

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1 Answer

My Blower motor for my heater on a 99 ford escort is not working.Is it the motor or resister that is gone??the fuses look ok where is the resister located can you send a diagram


look in passenger foot well on blower case for 4 wire connector.



Behind right side of I/P, A/C-heater plenum


resister bad would still allow high speed. may be blower motor.

  • The blower motor does not operate/does not operate correctly
  • Open fuse.
  • Tripped circuit breaker.
  • Circuitry open/shorted.
  • Heater blower motor switch (18578).
  • Heater blower motor switch resistor (18591).
  • Blower motor relay.
  • Blower motor.




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Jan 16, 2010 | 1999 Ford Escort

1 Answer

Where is the blower motor resistor located on1997 dodge grand caravan


The blower resister is located very close to the blower motor,behind the glove box,in that ares.The resister controls the speeds of the motor.It will be mounted with two screws,and have about 7 different wires going to the plug in.The resister is mounted on the out side,but actually goes inside the blower box,so it can be cooled.The reason for the resister failing is the blower motor.The blower motor may sound fine,but it is drawing to many amps,and is burning the resister out.

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yes, all blower motors have them to control their speed, High, medium, low.. etc. I earn nothing by helping you, but my rating, a fixya rating and I will walk you through this

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Where is the heater blower resistor located


Blower Motor Resistor
The four-speed operation of the blower motor is achieved through the blower motor resistor. The blower motor resistor is mounted under the A/C evaporator/blower motor assembly.
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the heater blower resister is in the heater plenum under the dash on the passenger side. the resister is in the air stream to keep it cooled. it has 2 screws holding it in and a 3 or 4 wire connector on it. easy repair. buy resister from tascaford.com for 25% off.


Dec 06, 2008 | 1999 Mercury Villager

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