Question about 2002 Jeep Liberty

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Heater/ac fan only work on High setting. Used to only work on 3rd and 4th setting.

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You need a blower resistor it's located behine the glove box. open the glove box and push in the tabs on the side and it will drop down to give you access to the resistor

Posted on Nov 16, 2009

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  • jz auto Nov 16, 2009

    you need a blower resistor it's located behind the glove box. open the glove box and push the 2 tabs on the side of it and it will drop down to give you access to the resistor

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This might be because of the gear box problem. By any chance, did your car face flooding? In such cases, please drain the gear box and replace it with new gear fluids. Also, check if you go in low speeds, you might be able to engage it with ease. Please come back to me if you feel this doesnt solve your issue.

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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.

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Med HIGH - 9 VDC
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The fan resistor gets 12 volts from each position of the fan switch, and the 12 VDC is then lowered thru each of the 3 internal resistors inside the fan resistor. My guess is that the resistor has failed, and the resistance wires contained on it may have meshed together. The resistor is on the black box between the blower motor housing and the center of the dash. 2 phillips screws hold it in. Easy to remove/replace. Hope this helps, and thanks for choosing FixYa.

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