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  1. E

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

    I also tried switching back to either of those, but no luck. Oh well, maybe this is a sign that I should upgrade to a RA4 or a UAX radio. Lol I appreciate the help guys Sent from my iPhone using Tapatalk
  2. E

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

    I’m wondering if it could be the HVAC module? I’ll see if I can access the PN tomorrow. Do you know what PN is in your Laramie? Sent from my iPhone using Tapatalk
  3. E

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

    I only have the front soft button Sent from my iPhone using Tapatalk
  4. E

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

    It came out of a 2016 Cherokee and it bolted right in, it had the same mounts as the RA2 I took out. As far as I know it has the same setting menus as other radios I have seen in this forum. Sent from my iPhone using Tapatalk
  5. E

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

    7 speed fan originally and yes I had to upgrade the HVAC module to go from an RA2 to an RA3 w/ ATC. I’m not sure of the HVAC module P/N. Sent from my iPhone using Tapatalk
  6. E

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

    You are correct, before i installed the RA3 I would turn it on with the button on the bezel. And the new 8.4 bezel currently has a button on it also, so I am able to turn it on with that. But then my OCD kicks in and I’m wondering why my soft button is not there. lol My truck is a 2014 1500...
  7. E

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

    Hey guys, I asked this question in another thread (Alfa OBD) but it may have been over looked or maybe not the right topic. Anyway, Does anyone know which setting in Alfa ODB turns on the “rear defrost” soft button on the 8.4 AC screen? Thanks to @Mpgrimm2 with M2Mods I recently upgraded to...
  8. E

    AlfaOBD

    Does anyone know which setting in Alfa ODB turns on the “rear defrost” soft button on the 8.4 AC screen? Thanks to @Mpgrimm2 with M2Mods I recently upgraded to an 8.4 RA3 with ATC. Everything works great except I don’t have the rear defrost soft button on the 8.4. The area it should be in...

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