Grand Cherokee 4WD V8-4.7L VIN N (2000)
Control Module HVAC: Service and Repair
BLOWER MOTOR SPEED CONTROL
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Depress locking tab and unplug the wire harness connector from the blower motor resistor or controller (power module).
3. Depress locking tab and unplug the resistor or controller connector from the blower motor.
4. Remove the 2 screws that secure the blower motor resistor or controller to the heater-A/C housing.
Blower Motor Resistor Or Controller/Power Module Remove/Install
5. Remove the blower motor resistor or controller from the heater-A/C housing.
INSTALLATION
1. Install the blower motor resistor or controller to the heater-A/C housing. The housing is indexed to allow (controller/power module) mounting in
only one position. Tighten the mounting screws to 2.2 Nm (20 in. lbs.).
2. Plug in the wire harness connector to the blower motor resistor or controller.
3. Plug in the connector from the blower motor resistor or controller to the blower motor.
4. Connect the battery negative cable.
