HVAC motor only works on high.


Asked by Mar 15, 2017 at 12:15 AM about the 1996 Jeep Cherokee 4 Dr Country

Question type: Maintenance & Repair

HVAC motor only works on high. Replaced the switch, switch harness, resistor block twice, and fan motor. When I replace the resistor block it works for a week or so and then quits again. What's up?

5 Answers


I went threw 5 resistors until I got one to work. I suggest buying an OEM resistor.

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Best Answer Mark helpful

resistor burns out because fan had too much resistance, try turning by hand, it should turn really easy


I installed a brand new fan motor. When looking at the resistor block I can't see a problem with it. It looks like new.


Yea, it would. Like I say I went threw 5 resistors. Should get an OEM part.


Thanks for the answers. The cheap resistors were my suspicion all along, but it's good to hear it from someone else. I went back to the parts store and traded for their lifetime warranty part. If it fails I'll go to the dealer...ugh!

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