PartsSquare AC/Heater Blower Resistor Replacement for 1997-2002 Dodge Ram 1500 2500 3500 Replaces dealer part numbers: 4720278, 973020, 68004241AA, 68004539AA, 5012212AA, 1712032, 3A1049, 20116, CR153, RU109, RU876, 1790902 Fitting for the following years and models : 1994-2008 DODGE RAM 1500 PICKUP , 1994-2008 DODGE RAM 2500 PICKUP , 1994-2008 DODGE RAM 3500 PICKUP , 1993-1999 JEEP GRAND CHEROKEE Direct Replacement and Ready for Install Straight out of the box. Not remanufactured or rebuilt, 100% Brand New and tested prior to leaving the factory. High Quality Replacement Part, have no-worry 12 months warranty. Safety Notes before replacement: 1.Cut off the engine and disconnect the battery. 1. Wait until the blower motor cool to room temperature. 2. The most important is clearing dust for the blower motor via professional motor detergent, please dont use water to clean!!! 3. Wait until blower motor get dry. 4. Disconnect the electrical connector at the resistor. Replacement note: If the new blower motor resistor didn&#039;t work or stop work in a short time after correct replacement, please check if there was too much  dust  with your blower motor. Replacement: Remove the negative battery terminal. Locate the blower motor resistor on the passenger side under the dash board. It is mounted to the the blower housing near the blower motor. Disconnect the electrical connector to the blower motor resistor. Remove the screws or bolts to the blower motor resistor and remove the resistor. Installation is the reverse of the removal.