How do you change the heater fan on a 96 grand Cherokee?

To change the heater fan on a 1996 Jeep Grand Cherokee, first disconnect the negative battery cable to ensure safety. Remove the passenger side lower dash panel to access the blower motor. Disconnect the electrical connector and unbolt the blower motor from its housing. Replace it with a new fan, reconnect the wiring, and reassemble the dash panel before reconnecting the battery.