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  1. #1
    Moderator ryaano18's Avatar
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    ECU Pinout and Mil-Spec Part Numbers

    Not sure if this is in the right section but if it's not then please move.

    For those of you who are interested in building or just fixing your harness, here comes the thread with knowledge I collected from vast information on the world wide web. This is not my due diligence as I just compiled the list. Credit goes where credit is due.

    Disclaimer: None of the part numbers are Honda part numbers and you will not find it from them.

    ECU Pinout and what they do
    Credit: Hybrid Racing




    You only need A,B, E for Manual. C, D are for Automatic ECUs

    A and B is on the engine harness
    E is on the dash harness
    C, D on automatic dash harness


    ECU Connectors
    Credit: Scourge at k20a.org

    31 PIN A: 1318682-6
    24 PIN B: 353029-1
    22 PIN C: 353028-1
    17 PIN D: 353027-1
    31 PIN E: 353826-1

    again A, B, and E are just for manual.

    ECU Wire Pins Part Numbers
    Credit: Yasei at k20a.org

    Large: 316838-1
    Small: 316836-1

    C101 Connector

    Engine Side: F(6950-0981)
    Dash Side: M(6950-0982)

    C101 Connector Pins (Engine Side)

    Large: F(8100-0606)
    Small: F(8240-4422)

    Disclaimer: I have not confirmed that these part numbers are accurate with the C101 plug and pins. I will update as soon as i can confirm.

    Jumper Harness Connector Block
    Credit: Scourge at k20a.org

    1318614-1



    Mil-spec Circular Connector for the die hards

    Credit: ummmm not sure just kinda looked at pics and found it lol

    Disclaimer: There are literally 1000s of pages of different Mil-Spec Connectors that all look familiar, I really suggest you learn the difference in the part numbers before making an order. There are guides that explain them and if I find the link i'll post it. This is a very common connector which is why I posted it.

    Plug:
    MS3476L22-55P



    Receptacle:
    MS3474L22-55S



    Tools for Mil-Spec Connector

    DMC AF8



    Turret Head for DMC AF8



    If anyone has an issue with me posting their info, please let me know and i'll remove. Ill add more to the list as i find more part numbers for a full engine harness
    Last edited by ryaano18; 04-08-2014 at 07:13 PM.
    Need Parts? Click HERE

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  4. #2
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    monjarassi's Avatar
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    I think I know where this is going.


    I'll be your guinea pig
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  5. #3
    Moderator ryaano18's Avatar
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    Quote Originally Posted by monjarassi View Post
    I think I know where this is going.


    I'll be your guinea pig
    no idea what you're talking about...
    Need Parts? Click HERE

    Wanna learn some wiring?
    Click HERE

    PM me for wiring supplies and inquiries

  6. #4
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    hahaha I have a milspec plug at home. Thought about trying it myself but got scured lol
    Available now are SPAZ APPROVED decals!!! Available in multiple colors!


    Need parts?! Check out our eShop and let me know! We can help you out!
    http://boostedk20.com/eshop/

  7. #5
    Moderator ryaano18's Avatar
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    Quote Originally Posted by Spaz View Post
    hahaha I have a milspec plug at home. Thought about trying it myself but got scured lol
    The thing that sucks about Mil-spec plugs.... the tool is 300 dollars
    Need Parts? Click HERE

    Wanna learn some wiring?
    Click HERE

    PM me for wiring supplies and inquiries

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