It is located on the back of the blower motor housing, right against the firewall. You will see a black connector with four wires, three small (section) wires and a thicker one. Usually, blue and black. You would have to remove the computer that is attached under the gloves box and its four plugs. In order to remove the computer remove the gloves box by pushing on the sides of it when opened that will allow the tray part of the box to clear the dash.Then it would be fairly easy to remove the two 10mm screws holding the computer. Then slide it toward you and it's out. Next you will need a phillips screwdriver to remove the resistor(really tight spot) but feasible. Once it's out check the filament that usually becomes unattached, so solder it and try it before putting back in place. Hope it works for you.
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if it only goes on high, the resistor needs to be changed . It is on firewall ,passenger side of car under wiper assembly behind alternator. not a hard job to do, part is not expensive. you will get low,med , and high back. if not switch on dash panel, or change blower motor, last ,since it is going on- working. good luck
When the blower fan will only work on high speed setting this means the fans speed control resistor is burned out, when it fails the fan defaults to high speed only. The fan resistor is located next to the fan and held into the cooling air duct by 2 screws near the blower motor. The part is fairly cheap and easy to replace.
many of the heater blowers use a resistor type switch to adjust the fan speeds, when the switch goes bad only the high speed will work. the resistor is usually located in the airflow in the heater box under the dash. find it , change it (it just plugs in) and it will work again
The blower fan only working on high is caused by only one thing, that is a defective blower motor speed control resistor, the resistor is located next to the blower motor in the air ducting, replace it and the problem is solved.
The Blower Motor Resistor also called Manual Temp. Control resistor), is fried, replace. The price with floor console $25 and without floor console $65. here is a pic.
the resistor is located on the blower motor housing, fastened by two screws. It is the part where the electrical plug connects, the plug on the pic. goes to the blower motor.
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It needs to have the blower motor resistor card replaced. It still works on high speed because on the high setting the voltage does not go through the resistor. The resistor is mounted beside the blower motor and is easy to replace. There you are, thank you for using FixYa.