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How to Add Automatic Temperature Control (ATC) to a Manual Temperature Control Truck

Discussion in '4th Gen DIY' started by DeereGuy, May 16, 2017.

  1. jon C lawrence

    jon C lawrence Junior Member

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    @Mpgrimm2

    i do not get defrost with atc and when i put it on defrost manually it blows out the dash only
     
  2. Mpgrimm2

    Mpgrimm2 Senior Member Preferred Vendor Supporting Member Military

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    Last edited: Dec 7, 2020
  3. ManualCummins

    ManualCummins Senior Member

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    Every issue I’ve ever had has been cured by a brand new module I think the ultimate answer is the only use a new module
    I even have an 18 module in my 14
     
  4. Mpgrimm2

    Mpgrimm2 Senior Member Preferred Vendor Supporting Member Military

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  5. Bill507

    Bill507 Senior Member Military

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    Its Christmas early! Cant thank m2mods enough[​IMG]

    Sent from my rotary telephone using Tapatalk
    [​IMG]
    Now in auto[​IMG]
     
    Last edited: Dec 11, 2020
  6. Bill507

    Bill507 Senior Member Military

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    My install went flawless when enabling Single Zone ATC and my steps below per M2mods:



    **********

    Include your

    - Year/model/trim of truck/original fan speed>> 2014 1500 CC 5.7 with factory 8 spd

    - Original radio/new radio model (& new pn) RA3 with dealer activated NAV. /// upgraded to RA4NA and 7" cluster

    - 8.4 HVAC module PN (bought new or used?) factory module.

    - Fan resistor you used (New OEM, Used OEM, or Clone?) N/A

    - Conversion Harness: ie 4 or 7 speed w/Sgl Zone ATC support N/A

    - Cabin Temp Sensor and/or humidity sensor (New or Used or Clone?) harness, sensors provided my M2Mods

    - what you used to program: AlfaOBD PC or Android/OBDLink MX BT & steps you did (battery vs radio fuse pull between steps?) AlfaOBD Android with newest update

    --> & what SW version of AlfaOBD you used!? newest v2.1.9.5


    - Anything else that may be relevant >>>>

    * I pulled BATTERY HOT cable before connecting harnesses and sensors
    * Reconnected battery and verified HVAC , SirusXM and backup cam were GTG
    * Did 1st AlfaOBD change to DUAL Zone.
    * shut key off, pulled Afa from port and disconnected battery again
    * waited just over an HOUR
    * Connected battery and verified HVAC was now DUAL ATC when Sirus and cam looked good. all HVAC settings worked
    * Did 2nd Alfa change to Single Zone. repeated, shut off, pulled alfa and disconnected battery for an hour
    * reconnected battery, checked HVAC and all was GOOD. Manual / AUTO worked perfectly.
    -- several drive cycles now and all is great. One of the BEST mods yet..

    Sent from my SM-T720 using Tapatalk
     
    Mpgrimm2 likes this.
  7. Austen

    Austen Senior Member

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    PFI! Will someone please tell me the part number for the SINGLE zone ATC HVAC controls? My current setup is in the attached picture. My truck had the factory 8.4 but I installed @Mpgrimm2 single zone ATC harness & temp sensor as it did not have ATC from the factory. I would like to make it complete and look correct with the auto button. Thank you in advance. I have also attached a picture of the controls I'm looking for. [​IMG]

    16' CCSB 4X4 G56 2500 6.7 SLT, CTT tuning, UAQ, Customtronix Enzo, Single Zone ATC
    [​IMG]
     
  8. Mpgrimm2

    Mpgrimm2 Senior Member Preferred Vendor Supporting Member Military

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    Ricks Ram and Bill507 like this.
  9. Austen

    Austen Senior Member

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    That's odd, I'm sorry about the pictures! Yes sir that's exactly what I'm looking for. Do you have any that I'm able to purchase that you have already converted/built? I'm trying to avoid having to run without the controls. Also what would you price be on that? I thought there were trucks that came factory with single zone automatic climate control?

    16' CCSB 4X4 G56 2500 6.7 SLT, CTT tuning, UAQ, Customtronix Enzo, Single Zone ATC
     
  10. Mpgrimm2

    Mpgrimm2 Senior Member Preferred Vendor Supporting Member Military

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    Austen likes this.

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