Question about 1999 Nissan Pathfinder

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Heater blower motor stuck on high, will not go off even when switch is set to off. The AC works fine, but again no control over the fan speed.

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Posted on Jan 02, 2017

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SOURCE: The heater / ac blower

It is the blower resister. I purchasted one at auto zone for $18.00. It is located under the passenger side dash. You need to remove the glove box and the plastic cover under the dash to expose the blower motor. the blower motor resister is right next to the motor. Simply unplug the resister remove the two screws and replace. I did this and now my fan works on all speeds.

Posted on Sep 17, 2008

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SOURCE: 2000 cherokee sport blower motor control

It is a bad blower motor resistor and it is mounted on the bottom of the A/C heater housing on the passenger side of the vehicle under the glovebox area. Hope this helps. Please rate this a fixya if it helps. Thanks.

Mike

Posted on Sep 13, 2008

keemo68
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SOURCE: 2004 Chevrolet Silverado Heater/AC Blower on without Ignition ON

there is no relay for the heater fan it's a 15 amp fuse and is on the accessories circuit. the reostat is responsible for all 3 speeds .with the key off there should be no voltage to the blower motor whether the fans speed fan switch is on or off. the fuse will be located in the fuse paneleither on the drivers left side in the dash or underneath the dash in the fuse block. you have a short in the harness that is under the dash and most likely it's a bad plug on the harness. your going to have to do some searching but that's where the problem short is... please rate

Posted on Oct 04, 2008

  • 3 Answers

SOURCE: Fan Switch

it is the resistor pack that runs the blower motor it is shorted to the hi position

Posted on Jan 05, 2009

  • 4 Answers

SOURCE: Heat/AC Blower fan speed only works on High

Alot of people have the same problem with the fan switch and blown bulbs. There really is no fix for this. Jeep really screwed up when designing the heater control assembly. The cheapest solution is to buy another unit off Ebay. Can always go to the dealer but be ready to PAY for there mistakes.

Posted on Jan 21, 2009

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The ac is on full at all times, even when you adjust the fan hight. someone sayed i need a a/c auto amplifier. but i can't find that part


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Nov 06, 2010 | 2001 Nissan Pathfinder

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My fan for the Ac and heater will not work. iam trying to replace the blower resister


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Heat/ac fan only blows on high


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this problem is caused by the blower motor speed control resistor being defective, it is located next to the blower motor.

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Subject: 2004 isuzu rodeo...my ac/heater blower is not working


The resistors are in circuit only on the lower fan speed settings.
On the highest speed setting, power is switched directly to the fan motor.
Check fan power supply fuses,
Check power is available to the fan when high speed selected.
If all above OK, apply power directly to the motor to verify fan motor runs- if it doesn't the motor may need replacement/repair.

Jul 29, 2009 | 2004 Isuzu Rodeo

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