Question about 1998 Jeep Cherokee

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Blower motor to heat and defroster does not work

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You may only have a blown heater blower fuse, look in the fuse box for a blown fuse.check both fuse boxes, including the black fuse box under the hood. if fuses are good, try tapping on the fan box on driverside under dash, sometimes leaves get in it and stop it up. if you don't find the fan box under passenger side dash, look under hood on passenger side on firewall. hope this helps and thank you for choosing fixya.com

Posted on Nov 13, 2010

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well the ac compressor will come on if you have it in defrost mode,if heater is blowing cold ,after you just had thermostat replace ,you could possibly have air in system.now if your heater motor is not working which is called the blower motor under dash it could be the resistor that controls it also these rigs have been known for wire harness problems at heater control unit and the blower motor connector.good luck,mike

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