Wiring Diagram For heater on 2000 jeep grand cherokee - Fixya Nov 16, 20132000 Jeep Grand Cherokee Limited - heater/ac blower motor comes back on after you turn off the ignition. Sometimes it will only come on for less than a minute, sometime it will kill the battery. Replace the blower motor relay, it is defective and sticking internally, causing the heater motor to 1999-2004 Jeep Grand Cherokee AC/Heater Fan Wire - iFixit Jan 22, 2018Step 1 1999-2004 Jeep Grand Cherokee AC/Heater Fan Wire Connector Repair Place the car in park, activate the parking break, and leave the car running. The blower motor is located under the dash on the passenger side of the vehicle.
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