How To Test A Ford Blower Motor Resistor Cookip On this ford f 150 the blower only worked on high even after i replaced the resistor. this is how i tested the blower resistor and switch. this will work on. 5. probe terminals 4 and 3 with your multimeter test leads to check the m2 speed circuit (see image 3 of 4 in the image viewer). your multimeter should register continuity. you'll probably see a resistance of about 0.6 ohms ( Ω). this test also test the continuity of the blower resistor thermal fuse.
How To Test A Ford Blower Motor Resistor Cookip Test 1: checking continuity of the blower resistor. test 2: using a jumper wire to bypass the blower resistor. where to buy the blower resistor and save. related test articles. you can find this tutorial in spanish here: prueba: resistencia del motor del soplador (4.0l ford) (at: autotecnico online ). The other two lead widget is a thermal fuse which opens if the resistors get overheated (for example, if a mouse nest in the heater box catches fire. don't ask how i know). if it's open i believe you will not get any fan including high. my ford dealer has them for my '84 f150, for $23. pep boys, etc. did not. The blower motor resistor is responsible for controlling the speed of the blower motor in your car’s hvac system. it works by regulating the amount of electrical current that flows through the fan motor. the resistor does this by varying the resistance of the coil. the higher the resistance, the less current flows through the motor, which. In this video we go over testing blower motor resistors found in ford vehicles with manual climate control.i only recommend motorcraft blower motor resistors.
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