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Thread: Serial AC to normal AC request

  1. #1

    Serial AC to normal AC request

    This is for a customer having issues with a swap they did. They used a 2005 5.3 from a Silverado, OS 12592618. I know that system uses pressure sensor and low pressure switch going to the AC unit then requests over serial.

    Anyone know if there is a way to switch a 1 meg blue green ecm from Serial AC request to switched request like the red blue ecm?

    Is it easiest to tune it as a 04-05 express van that already has ac switches and a normal 12v request?

    I read somewhere that TC can make the switch, I have EfI Live and HP only.

  2. #2
    Wow, I'm blind. There is a thread a few lines down about this. Hahahaha sorry.

    After reading that thread, I still a have few questions.

    Is TC the only thing that can change the type of AC? Am I stuck just using a Van OS to get the job done?
    Last edited by Skinny Pedal; 09-15-2013 at 10:19 PM.

  3. #3
    Fuel Injected!
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    I have tunercat and Efi,can you post a link to the thread you referenced?I'll see if I can help.

  4. #4

  5. #5
    Fuel Injected!
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    Post up the file you want to change.
    I'll see if I can find a way to change the platform matrix on it,which according to the other thread might do the trick?

  6. #6
    I only have it in an EFI Live file. Will that work?

  7. #7
    Fuel Injected!
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    We'll find out.

  8. #8
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    I am the guy that figured the AC type out and had TC add them.

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