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disconnect AC compressor without pulling relay?

Discussion in 'Technical Chat' started by tempest766, Aug 22, 2017.

  1. Aug 22, 2017 at 7:38 AM
    #1
    tempest766

    tempest766 [OP] New Member

    Joined:
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    2009 V6 Tacoma with 4wd, 150k miles

    My AC compressor clutch went out and I have neither the time nor money right now to screw with it...and given that the truck is nearing its EOL I don't really want to do anything with it. However, I will need my heater and it seems that the heater function engages the compressor clutch when the defogger it used. I believe I located the compressor at the bottom driver's side of the serpentine belt and there is a small 2-wire electrical plug coming from the clutch area of the compressor. I cannot seem to get this plug disconnected by hand.

    Am I correct in assuming that if I do pull that plug then the clutch will never engage? Is the clutch engaged whe nthe curcuit is open, or closed? Would cutting the ground wire disable it...since presumably I would need to remove the compressor anyways if I was to fix the system?

    Pulling the compressor clutch plug was how I dealt with this same problem on my high mileage S10 many many years ago.

    Am I correct in assuming that pulling the relay is not a solution because both the heater and AC are run through the same relay?

    I need my heater/defogger but not my AC...How can I keep the heater functioning but disable the AC compressor clutch?

    Thoughts?
     
  2. Aug 22, 2017 at 7:45 AM
    #2
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

    Joined:
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    Not Beech Creek
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    Some stuff. Not a lot, just some.
    Yes, pull the clutch plug.

    Is there something else wrong with the truck that makes 150K near the EOL?
     
  3. Aug 22, 2017 at 7:59 AM
    #3
    tempest766

    tempest766 [OP] New Member

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    @98tacoma27 -- Thanks! My standard vehicle lifetime rule of 10 years or 200k miles...That's how long I expect to keep a vehicle when I buy one new.
     
    Toyko Joe likes this.
  4. Aug 22, 2017 at 8:02 AM
    #4
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

    Joined:
    Dec 18, 2008
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    Messages:
    67,724
    Gender:
    Male
    First Name:
    Ben
    Not Beech Creek
    Vehicle:
    05 Tundra SR5 (+295k AND COUNTING), 2006 F350 King Ranch 6.0L
    Some stuff. Not a lot, just some.
    :thumbsup:

    I'm the opposite...I run them till they can't be reasonably fixed.
     
    BassAckwards and Toyko Joe like this.
  5. Aug 23, 2017 at 1:22 AM
    #5
    Wyoming09

    Wyoming09 Well-Known Member

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    New Tripoli Pa
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    2000 Work truck 5 speed 4x4 3.4
    Super Springs
    It is good people sell there Tacoma`s after just getting them broke in and the bugs worked out
     
    98tacoma27 likes this.

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