Durango 4WD V8-5.9L VIN Z (1998)
Blower Motor Resistor: Testing and Inspection
Both the front blower motor resistor and the optional rear overhead A/C unit blower motor resistor can be diagnosed using the procedure that follows.
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, REFER TO AIR BAGS AND SEAT BELTS/AIR BAGS BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE.
FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE
PERSONAL INJURY.
1. Disconnect and isolate the battery negative cable.
2. Unplug the wire harness connector from the blower motor resistor.
3. Check for continuity between each of the blower motor switch input terminals of the resistor and the resistor output terminal. In each case there
should be continuity If OK, repair the wire harness circuits between the blower motor switch and the blower motor resistor or blower motor as
required. If not OK, replace the faulty blower motor resistor.
