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MAC valve and terminator x question

Discussion in 'EFI Tuning Questions and Engine Management' started by Shoeslappa, Jan 12, 2023.

  1. Shoeslappa

    Joined:
    Jan 25, 2022
    I see people using a 3 port or 4 port Mac valve to control boost without a pressure dome switch by using one of the wires for MAP sensor signal. And setting up a reference on the terminator x for a 5v source. My question is where does the other wire from the Mac valve go? To ground or a 12v switch power? I don’t know if the terminator x controls this through a ground or not. Anyone run this set up? If so could you point me in the right direction. Thanks.
     
    Shoeslappa, Jan 12, 2023
    #1

  2. Russell

    Joined:
    Jan 13, 2019
    I have done it that way. I used PWM- out of the TX. I put 12+ though a fuse and a switch so I can ride around on gate if I want to.
     
    Russell, Jan 12, 2023
    #2

  3. Shoeslappa

    Joined:
    Jan 25, 2022
    Excellent. I really appreciate the response.
     
    Shoeslappa, Jan 12, 2023
    #3
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