Question about 2002 Jeep Liberty

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Blower works, but the four rates on Dial are beginning to fail. Faulty Dial or ?.

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  • Pete Hamilton Dec 10, 2012

    Thanks, so much Ava

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If the heater fan only works when the dial is turned to #4 you need to replace the blower motor resistor, JA1476.

Posted on Dec 09, 2012

  • Ava Brown Dec 09, 2012

    If the heater fan only works when the dial is turned to #4 you need to replace the blower motor resistor, JA1476.

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1 Answer

Why don't blower positions 1 through 3 work?


Because the first three speeds are not going through the same power feed configuration. You can check the speed switch but I do not think that is it. Kind of hard to fathom three contacts all going bad at same time.

Rather you might want to check the schematic and you might discover that the first three speeds of the blower go through a special circuit powered by your car's ignition switch!!! If that part of the ignition switch goes it affects your ac blower - and don't be surprised if your rear lights and some other stuff is not working also!!!!!

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My 2005 gmc yukon rear a/c or heat blower will not come on front a/c and heat work well


{: ) If the front a/c and heater is working fine, that's good. At least the problem can be isolated on the rear HVAC circuits only.
Check first the RR HVAC fuse 30amp at the underhood fuseblock and the IGN 3 fuse 10amp at the IP fuseblock. If you found them good, then you can begin diagnosing the blower circuits wirings and connectors.
A faulty blower definitely will not give any output. If it doesn't spin for some reason, rear a/c or heating cannot be circulated.
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Sometimes it can be a terminal connector being loose or burnt. However, the most usual cause for this type of problem is a faulty blower resistor.

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My fan control dial only works at full speed and the other 3 don't work now. what do I have to do ?


the blower motor resistor board has failed.relatively inexpensive and easy to replace.dealer only part.its located next to the blower motor and is held in by two phillips head screws.the only word of caution i will give you is that if it fails again in a short period of time you should replace blower motor as it is drawing too much amperage and damaging resistors.

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1 Answer

Heater blower faulty and unrepairable. What other nissan uses same blower heater?


IS IT THE BLOWER MOTOR OR THE CLIMATE CONTROL UNIT ..ALSO THERE IS A IN LINE BLOWER MOTOR RESISTOR THAT BOLTS IN TO THE LOWER DUCTS WHEN THOSE GOT OUT IT CAN ALSO CAUSE THE BLOWER MOTOR NOT TO WORK....HOWEVER IF ITS THE BLOWER MOTOR ANY FROM 95-99 NISSAN MAXIMA WILL WORK ALSO I THINK THE 95-99 NISSAN QUEST WILL WORK..CLIMATE CONTROL WILL WORK FROM OTHER MAXI'S AS LONG AS IT'S THE SAME TYPE(ELECTRONIC OR DIAL TYPE)

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I try to kick my four wheel drive in but the light just flashes and my heater stops blowing


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1 Answer

The fan is cutting out/not working


There are usually three possibilities for this problem, which can only be solved by hands-on electrical testing, in most cases. You could have a bad switch, you could have a bad blower motor, or you could have a bad blower motor resistor. If the bearings in the blower motor begin to seize, it will take more force (read: more electricity) to turn against the friction of the bearings. This may explain why it does not work until a higher setting, and even then it may not work well. On the other hand, if the blower motor itself is okay, the delivery of electricity may have a problem. Your blower motor has a resistor, and this resistor can over time go bad, even rust, which will not allow the full amount of current to reach the blower motor, thus causing it to not run. I usually replace blower motors with a new resistor, but if just the resistor is bad, then only replace that. The switch thing is uncommon, but it is still a possibility, and I can't rule it out. Good Luck finding the problem, barring a complicated electrical issue, it should definitely be one of those three things that has failed.

Thanks for asking!

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1 Answer

2001 Camry, air does not distribute/circulate if on turned on (this is for AC and normal cool/heat as well, does not matter what the temperature is). There are four low/high settings to blast the air to...


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1 Answer

The A/C fan in my 04 Grand Prix will NOT shut off.


CLICK HERE for a schematic of your blower.

Your blower is not shutting off - so your BMCP (Blower Motor Control Processor) has malfunctioned... or the HVAC Control Module has failed.

Both provide power to the blower motor.

To check which one has failed - pull the HVAC control fuse RADIO/HVAC/RFA/CLSTR/ALDL (15Amp) and see if the fan shuts off - if not - try the BMCP fuse HI/BLWR (30Amp) - Both are listed listed at the top of the schematic.


Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

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