Question about 1999 Jeep Cherokee

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Fan Blow only works in one position

I have a 1999 Jeep Cherokee the fan blower only works in the #4 position. What would the most likely culprit be?

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It could be one of 3 things that i know of. first it could be the blower motor, secound it could be the switch, and third it could be a resister if its got one. the blower motor i wood shy away from because it works, acording to what you said. secound thing is the switch. i might be wrong my gut feeling tells me thats not it either. i would look for the resister. on most vehicles its either on the heater box or on the evaporator. on most cars and trucks its what changes the speeds for the blower. if no resister can be found then i would go for the switch. hope this helps. OLD SCHOOL.

Posted on Jan 09, 2009

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The resistor between the blower motor and the wiring of the motor. Replace that. This is a common problem . It is not so easy to do because of the space under the dash. But it can be done. It is a small gadget. Not a TV resistor type.

Posted on Jan 09, 2009

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