How do I know if my AC blower motor is bad?

  • AC Fan Doesn't Start. Even though you have the AC turned on, the fan does not start.
  • AC Fan Doesn't Stop.
  • Slow Rotating Blades.
  • Outside Fan Blades Are Still.
  • Rattling, Humming, and Buzzing Noises.
  • AC Runs Intermittently.
  • No Cold Airflow.
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    How do you check the blower motor resistor on a Dodge Ram?

    Place one lead of the Ohmmeter on terminal 1 of the resistor. Place the other lead on terminal 2 and check against specifications. If this circuit is open, showing infinity on the Ohmmeter, the blower resistor must be replaced. Move the lead from terminal 2 to terminal 3 and check this reading against specifications. via

    How long do AC blower motors last?

    The average lifespan of an AC fan motor is about 12 years. An AC fan motor can last more than 12 years if it's kept clean and cooled as needed. On the other hand, without annual maintenance checkups, your fan motor may only survive between one and three years. via

    How do I test my AC blower relay? (video)

    https://www.youtube.com/watch?v=RKfRh9f326A

    Can you test a blower motor relay?

    Connect a test light or multimeter to the ground (black lead). Turn the ignition key to the on position (engine off), and remove the relay. Using the probe, test all terminal sockets in the relay connector. Two of the four should have power. via

    How do you fix a blower motor lockout?

    Though lockout mode errors and resets do vary from manufacturer to manufacturer, most use a simple reset procedure that involves turning power off to the furnace for thirty seconds or longer and turning it back. The interrupted power supply clears the lockout and will allow the unit to attempt normal operation again. via

    How do you test a blower capacitor? (video)

    https://www.youtube.com/watch?v=Ujh0wMuvmLU

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