Question about 2002 Jeep Liberty

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Air Conditioner blower motor resistor was replaced 2 years ago when ac blower stopped working. Blower is not workinga again, i replaced the blower motor resistor (behind glove box) and still not working. Any suggestions?

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  • Jeep Master
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Motor is also energized by a relay. check that and also check that the motor itself is good by running a hot lead right to it. I'm sure you already checked the fuse and know the switch is good?

Posted on Jul 20, 2009

  • morgan Jul 07, 2012

    yes te fuse is good. what kind of lead do I use to check the motor?

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What is an AC diode fuse? I have a 2006 AWD Pontiac Torrent the AC/Heat doesn't work, I've changed all fuses for the HAVAC and still no AC/Heat blowing out of vents. What could be the problem?


Could be a number of thing's ! Testing the electrical circuit is the way to find out what's wrong . Using a wiring diagram and a DVOM - digital volt ohm meter . Videos on youtube showing how to test it ! Without testing i would only be guessing . Does it work in high speed ? In high speed it by-passes the resistor . If it doesn't work in any speed more then likely the blower motor is the problem !
Air Speed
The HVAC control assembly applies ground to the blower motor control circuit that corresponds to the selected blower speed. The resistors and the blower motor are in a series circuit. The following list represents the number of resistors in series with the blower motor per particular speed request:
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This Resistor is defined with 3 to 4 wires going into it, and is located adjacent to the Blower Motor.
It is easily access, removed and replaced.
I will post an additional comment on Part Number, Price and where available.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

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