my 1999 jeep cherokee has heat but only blows air when knob is turned on high. what could it be?


Asked by Sep 25, 2013 at 05:46 PM about the 1999 Jeep Cherokee 4 Dr Sport 4WD

Question type: Maintenance & Repair

1 Answer


odds are its the blower resistor. This controls blower speed by several resistors. the high speed bypasses the resistor. Its kind of a pain to replace as you almost need 3 hands to hold it in place and get tools and screws. It should be located at bottom of a/c case on pass. side. insed vehc. there will be several wires going to it.

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