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2003 Honda Accord Question: AC Vent Fan only operates at high speed setting

 

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HondaNut, Revere, MA, April 30, 2013, 17:08
 Rookie

My 2003 Honda Odyssey has a variable speed fan. Until last week it was working fine. Now it will only come on when I turn the dial up to full speed. As soon as I back it off from full speed it turns off. It will also come on at full speed when I turn the setting to Auto. Any ideas what went wrong?

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  • Medium-star Best Answer
    April 30, 2013, 17:33
     Master

    Most likely is the blower motor power transistor is bad. It's mounted in the HVAC assembly to the left of the blower motor.2 philips screws.

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  • Answer #2

    Greg's Orange Auto (14262 Answers) , Orange, CA - (714) 361-9386
    globalhelper May 01, 2013, 07:16
     Master

    blower motor resistor is bad

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