A The Blower Motor Resistor is located in the heater box, right behind the glove box. Here’s how to replace it.
1.Open the glove box.
2.Flex both sides of the glove box bin inward near the top far enough for the rubber glove box stop bumpers to clear the sides of the glove box opening, then roll the glove box downward.
3.Reach through the glove box opening to access and disconnect the instrument panel wire harness connector for the blower motor resistor from the resistor connector receptacle.
4.Reach through the glove box opening to access and disconnect the blower motor pigtail wire connector from the resistor connector receptacle.
5.Remove the two screws that secure the blower motor resistor to the evaporator housing.
6.Remove the blower motor resistor from the evaporator housing.