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Fan blowing only when on high

Discussion in '2nd Gen. Tacomas (2005-2015)' started by foampile, May 22, 2016.

  1. May 22, 2016 at 12:31 PM
    #1
    foampile

    foampile [OP] Well-Known Member

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    My cab fan (heat/AC, not engine cooling) blows only when the knob is set on high. Anything else, nothing.

    Is this a common issue? What could the problem be?
     
  2. May 22, 2016 at 12:34 PM
    #2
    Supra4x4

    Supra4x4 No longer 2WD O_O

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    Search "blower motor resistor" in the search bar.

    It's a common problem on the older second gens. Easy fix though, replace the electrical resistor pack and connector. Done right, it's about $30.
     
  3. May 22, 2016 at 12:35 PM
    #3
    Tom0662

    Tom0662 Well-Known Member

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    Resistor block probably failed
     
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  4. May 22, 2016 at 12:35 PM
    #4
    Tom0662

    Tom0662 Well-Known Member

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    Ahahaha, beat me to the punch
     
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  5. May 22, 2016 at 12:38 PM
    #5
    Juggernaut

    Juggernaut Captain

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    What they said above. At least as far as auto repairs go its pretty cheap & simple.
     
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  6. May 22, 2016 at 12:51 PM
    #6
    foampile

    foampile [OP] Well-Known Member

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    Thanks, everyone
     
  7. May 22, 2016 at 1:09 PM
    #7
    cosmicfires

    cosmicfires Well-Known Member

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    Snugtop cab high canopy.
    My fan recently worked only on high, there was corrosion on the resistor pack terminals. Unplug, a squirt of contact cleaner and plug back in and it works but I can see the need for replacement resistor pack in the future. At least it's not buried deep in the hvac system to keep it cool like in some vehicles.
     
    foampile [OP] likes this.
  8. May 22, 2016 at 4:22 PM
    #8
    HoosierTaco06

    HoosierTaco06 Well-Known Member

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    Lester Lugnut and foampile [OP] like this.
  9. May 22, 2016 at 5:26 PM
    #9
    el_turks

    el_turks Well-Known Member

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  10. May 30, 2016 at 11:53 AM
    #10
    18576

    18576 Member

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    I have replaced this part once on my 2008 (150,000 miles). About two months ago the problem statred again. I ordered the part and naver got around to installing it until today. I unplugged it and plugged it back in and all fan speeds are working. I will keep the part for back up of course.
     
  11. May 30, 2016 at 6:29 PM
    #11
    Jimmyh

    Jimmyh Well-Known Member

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    If it is coming and going like that it isn't a bad resistor it is a loose connector. I'll bet it is burned and getting worse the longer you wait.
     
  12. May 30, 2016 at 7:26 PM
    #12
    Supra4x4

    Supra4x4 No longer 2WD O_O

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    A whole lotta parts that are not on the truck.
    This is correct. The resistor pack itself is not the cause of the problem. The problem occurs due to the female terminals on the resistor being too loose, burning the connectors and corresponding wires. Thus the TSB resistor pack with stronger terminals.
     

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