RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
Blower Motor Resistor: Service and Repair
REMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT
AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM
CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO
DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN AN ACCIDENTAL
AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
1. Disconnect and isolate the battery negative cable.
2. The blower motor resistor is accessable from the passenger side of the HVAC unit and is located on the bottom of the HVAC unit.
3. Pull out the lock on the blower motor resistor wire harness connector to unlock the connector latch.
4. Depress the latch on the blower motor resistor wire harness connector and unplug the connector from the resistor.
5. Remove the two screws that secure the resistor to the HVAC housing.
6. Remove the resistor from the HVAC housing.
INSTALLATION
1. Install the new resistor in the HVAC housing.
2. Install the two screws that secure the resistor to the HVAC housing and tighten to 2.2 Nm (20 in. lbs.).
3. Plug in the blower motor harness connector.
4. Push in the lock on the blower motor resistor harness connector.
5. Close the glove box door.
6. Connect the battery negative cable.
