Controls the fan speed in your AC and heating system,restores heating and cooling system to performance.If you can no longer adjust the air speed with your AC controls or your air conditioner system no longer blows that means you need a new blower motor resistor. ADVANTAGES - Not re-manufactured or rebuilt part, inventory. Direct replacement for 4885482/4885482AC/5179985AA EASILY INSTALLATION - Easily installs into your AC blower motor. Simply remove the screws that secure the blower motor resistor into the blower, remove the resistor assembly, and install the new resistor in place. FITMENT Blower motor resistor for 2004 for 2001-2005 for 2001-2005 for 2001-2005 Caravan for 2004 Durango for 2001-2005 Grand Caravan for 2008-2011 Nitro for 2008 Commander for 2010-2012 Liberty Colour:black+silver Material:Metal+ABS Package Contents: 1x Blower resistance Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Heater Blower Motor Fan Resistor for Caravan 04885482AC 04885482AD 04885482AA ADVANTAGES - Not re-manufactured or rebuilt part, inventory. Direct replacement for 4885482/4885482AC/5179985AA EASILY INSTALLATION - Easily installs into your AC blower motor. Simply remove the screws that secure the blower motor resistor into the blower, remove the resistor assembly, and install the new resistor in place.