This is the control module required for the 8.4 conversion. Please make sure you select If you have 4 speed Fan or 7 Speed Fan. If you have 4 dashes on your fan speed knob, you have a 4 speed, 7 dashes is a 7 speed. Please note that if you have the factory 4 speed, a blower motor resistor is required to function properly.

Dodge Ram HVAC Module Only