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Blower Fan for AC doesn't work on High setting

Discussion in '2nd Gen. Tacomas (2005-2015)' started by 08TacoTrD, Dec 15, 2019.

  1. Dec 15, 2019 at 7:07 PM
    #1
    08TacoTrD

    08TacoTrD [OP] Well-Known Member

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    The blower fan doesnt work on high setting but works just fine on the other settings. I've searched but didn't find anything. Any insights?
     
  2. Dec 15, 2019 at 7:30 PM
    #2
    Muddinfun

    Muddinfun Well-Known Member

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    Most likely the blower fan switch. Pull the climate control and unplug the fan switch connector. More than likely you will see the connector burnt.

    It's definitely NOT the resistor.
     
    DG92071 likes this.
  3. Dec 15, 2019 at 10:08 PM
    #3
    Chuy

    Chuy Well-Known Member

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    Yep. Same issue here about 4 years ago. The fan connector to the blower was brunt. The female connector plug melted and was unusable. I had to buy some narrow female blade connectors. Hopefully, your connectors are usable.
     
  4. Dec 15, 2019 at 10:44 PM
    #4
    fatdad2013

    fatdad2013 Active Member

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    I have 2014 did the same thing. Turned out to be a bad blower motor resistor. I also cleaned out the blower motor with some elecroclean spray. so much crap came out from the housing where the brusher make contact. now it works on all settings and cleaning the motor out quieted it down a little bit.
     
  5. Dec 16, 2019 at 9:38 AM
    #5
    drewbert41

    drewbert41 Well-Known Member

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  6. Dec 16, 2019 at 9:57 AM
    #6
    Muddinfun

    Muddinfun Well-Known Member

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    If the fan is working on low speeds and not working on high, the problem can’t possibly be the resistor. On a fully functioning truck, you can take the resistor out and throw it in the wood chipper and the fan will still work just fine on high.
     
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  7. Dec 16, 2019 at 10:00 AM
    #7
    wilcam47

    wilcam47 Keep on keeping on!

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    That hasnt been my experience. had a vehicle would only run fan on low, not high. Was the resistor.
     
  8. Dec 16, 2019 at 10:09 AM
    #8
    Muddinfun

    Muddinfun Well-Known Member

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    That’s impossible. If you look at the schematic, you will see that the high speed completely bypasses the resistor.


    80284678-9F4D-4977-B29A-4A36AB1DA679.jpg
     
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  9. Dec 16, 2019 at 11:54 AM
    #9
    drewbert41

    drewbert41 Well-Known Member

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    Whoops yeah mine would only work on high.
     
  10. Dec 19, 2019 at 3:17 PM
    #10
    08TacoTrD

    08TacoTrD [OP] Well-Known Member

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    Thanks. I haven't had a chance to pull the switch apart but I'll update when I do.
     
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  11. Dec 20, 2019 at 8:24 AM
    #11
    Sidponcho

    Sidponcho Well-Known Member

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    BEFORE YOU DO ANYTHING
    With the truck engine off
    ignition on -
    Set the fan speed to MEDIUM
    Go under the dash on the passenger side and you'll see wiring and connectors for the HVAC.
    Wiggle them around. Does the fan come on?
     
    denmen likes this.
  12. Dec 20, 2019 at 1:52 PM
    #12
    08TacoTrD

    08TacoTrD [OP] Well-Known Member

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    That's it. The female side has a burnt spot on it. After I reconnected it worked on all speeds, lol. Maybe it vibrated loose. I'll have to take a better look at the switch to and connector to get an idea of what to do going forward.
     
    denmen likes this.
  13. Dec 28, 2019 at 10:50 AM
    #13
    denmen

    denmen Well-Known Member

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    Tube steps, bull bar and KC Hilites, trifold bed cover, variety of shifter knobs, comparing LED strip options, lift possibilities (prob 2 inch), and exhaust mods to tune growling on low end...
    Anyone got any direct links (ideally videos) to how-to get into the console to access the fan switch connector? If it matters, mine is 2013 Tacoma Ext Cab and only Off and High are presently working. And I have to first try the “wiggle wiring connector” suggestion from earlier post on this thread.
     
  14. Dec 28, 2019 at 12:04 PM
    #14
    Muddinfun

    Muddinfun Well-Known Member

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    If it works on high, and not on the slower speeds, it’s most likely the resistor and resistor connector. It’s under the dash near the glove box. If you find the connector burnt, replace the resistor and the connector.
     
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  15. Dec 28, 2019 at 5:26 PM
    #15
    Taco'09

    Taco'09 Well-Known Member

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    This ought to be a bold-set sticky at the top center as it has been asked sooooooo frequently.
     
    denmen likes this.
  16. May 27, 2020 at 6:10 PM
    #16
    VYPER

    VYPER Well-Known Member

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    I just replaced the resistor and the burnt connector entirely. the AC works on all settings EXCEPT high. What should I do first? Also, It seems there is a small leak on the low-pressure ac line on the passenger side. Right on the connection tube.
     
  17. May 27, 2020 at 6:15 PM
    #17
    Muddinfun

    Muddinfun Well-Known Member

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    Use a plastic knife to pop out the climate control panel. Unplug the switch connector. You will probably see the connector and the switch burnt.
     
  18. May 27, 2020 at 6:21 PM
    #18
    VYPER

    VYPER Well-Known Member

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    If they are both burnt I'm assuming the only way to fix it would be to just find a replacement for the connector and the switch?
     
  19. May 27, 2020 at 7:07 PM
    #19
    Muddinfun

    Muddinfun Well-Known Member

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    Buy a used switch and a new connector body and 1 new pigtail.
     
  20. May 27, 2020 at 7:15 PM
    #20
    VYPER

    VYPER Well-Known Member

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    Yeah shes pretty cooked. Thank you 20200527_190028.jpg 20200527_190045.jpg
    20200527_190028.jpg 20200527_190045.jpg
     
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