Part Number: 4720278 hvac blower motor resistor 973-020, 5012212AA, 973020, 4720278, RU109, 3A1049, 68004539AA, 68004241AA, 20116, 1712032, 1790902, CR153, RU876 blower motor resistor Compatible with 1994-2008 Dodge Ram 1500 Pickup blower motor resistor,1994-2008 Dodge Ram 2500 Pickup front heater blower resistor,1994-2008 Dodge Ram 3500 Pickup heater blower resistor, 1993-1999 Jeep Grand Cherokee fan speed resistor The ram 1500 blower motor resistor is part of the HVAC system and is a small electrical component that, if it out of work would cause noticeable problems with the air in the passenger compartment. The ram 1500 blower motor resistor used to control the fan speed of automotive blowers. When you adjust the fan speed on the instrument cluster in your vehicle, the resistor is responsible for adjusting the speed that the blower motor runs at Great replacement: Made of high quality materials, the quality met or exceeded OEM standard. Perfect fit and no need for any adjustments. This was the exact part needed for your stopped working 1994-2008 ram 1500 2500 3500 Pickup, 1993-1999 Grand Cherokee If the ram 1500 hvac blower motor resistor has quality, we would like you to inform us 4720278 HVAC Fan Blower Motor Resistor Compatible with 1993-1999 Jeep Grand Cherokee 1994-2008 Dodge Ram 1500 2500 3500 Pickup