Grand Cherokee 2WD V8-4.7L VIN J (2004)
Control Module HVAC: Service and Repair
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Depress locking tab and unplug the wire harness connector from the blower motor controller.
3. Depress locking tab and unplug the controller connector from the blower motor.
4. Remove the 2 screws that secure the blower motor controller to the HVAC housing.
Fig.15 Blower Motor Controller Remove/Install
5. Remove the blower motor controller from the HVAC housing.
INSTALLATION
1. Install the blower motor controller in the HVAC housing. The housing is indexed to allow controller 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 controller.
3. Plug in the connector from the blower motor controller to the blower motor.
4. Connect the battery negative cable.