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Thread: Boost solenoid vac diagrams: 3 port & 4 port

  1. #1
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    Boost solenoid vac diagrams: 3 port & 4 port

    Okay so i once was in the web searching how to hook up my 3 port and so forth, so here we go for future use!!

    3 port solenoid


    As for the wiring one wire goes to ign switch 12v and the other to ecu.

    4 port solenoid


    Wiring same as above.

    And also if turbo doesnt have a vacuum fitting, then you will have to get a source off the Intake manifold to supply the vacuum to the solenoid.

    And as a added bonus ill throw in MBC diagram for internally gated and external gates






    Happy Boosting!!
    Using promo code "SPOOLBUS" @ checkout when shopping in the eshop will save you money!!

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  4. #2
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    Adding the plumbing for an internal wastegate incase anyone has one of those:

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    Quote Originally Posted by aLmk View Post
    Adding the plumbing for an internal wastegate incase anyone has one of those:
    Using promo code "SPOOLBUS" @ checkout when shopping in the eshop will save you money!!

  6. #4
    Junior Member 1JZ_Type-S's Avatar
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    Quote Originally Posted by monjarassi View Post
    Okay so i once was in the web searching how to hook up my 3 port and so forth, so here we go for future use!!

    3 port solenoid


    As for the wiring one wire goes to ign switch 12v and the other to ecu.

    4 port solenoid


    Wiring same as above.

    And also if turbo doesnt have a vacuum fitting, then you will have to get a source off the Intake manifold to supply the vacuum to the solenoid.

    And as a added bonus ill throw in MBC diagram for internally gated and external gates






    Happy Boosting!!
    Great post! Very informative

  7. #5
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    Quote Originally Posted by 1JZ_Type-S View Post
    Great post! Very informative
    Using promo code "SPOOLBUS" @ checkout when shopping in the eshop will save you money!!

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