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Thread: Finally started wiring my Ms3 Pro

  1. #1
    Join Date
    Aug 2012
    Location
    Iowa
    Posts
    326

    Default Finally started wiring my Ms3 Pro

    So I've finally started wiring up my Ms3 Pro megasquirt. ive already spent almost a full weekend, plus a few week nights on it, but it feel like I haven't gotten anywhere on it. Although I am doing my best to make sure I do a very thorough and clean install. Which takes some serious time. Between soldering everything, heat shrinking every single soldered connection and crimp connector, and making it look as professional as I can, it's going to be extremely time consuming. But my goal is to get it all done and tuned by the 22nd of September for the next no prep event at the 1/8 mile track that's close to me.. Which I would think should be 100% do-able. I attached a picture of what I've done so far. Everything in that Picure is what will be mounted right inside the glove box. I took out the actual tray part of the glove box so I can just swing the glove box lid open and it'll all be right there and easily accessible. Other than that, Im almost done with the injector wiring and main power from the battery. But I don't have pictures of those yet. I'll keep posting pictures of my progress and things I run into along the way if you guys are interested.
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    Mac Chapman

    TWIN 66MM TURBO 392 STROKER W/ 727 TORQUEFLITE

  2. #2
    Join Date
    Aug 2012
    Location
    Iowa
    Posts
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    Default

    Here's another picture of it all sitting in the truck in the glove box area. It's a photo from Snapchat so don't mind the caption and my leg that I didn't really realize was in the photo. Haha.
    Attached Images Attached Images
    Mac Chapman

    TWIN 66MM TURBO 392 STROKER W/ 727 TORQUEFLITE

  3. #3
    Join Date
    Mar 2009
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    Broken Arrow, OK
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    Default

    This is going to be an awesome install. I dont have the patience to route wires so perfectly!
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  4. #4
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    Dec 2009
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    Looks good! I am so OCD with wiring also, even where it can't be seen it has to look good!
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  5. #5
    Join Date
    Mar 2009
    Location
    Waco, TX
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    Bad ass Mac. Is the Megasquirt considered a piggy back system? Or is this replacing your PCM?

  6. #6
    Join Date
    Aug 2012
    Location
    Iowa
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    Default

    Quote Originally Posted by adamsredlines View Post
    This is going to be an awesome install. I dont have the patience to route wires so perfectly!
    Thanks, I hope so! I usually dont have the kind of patience to do wiring either but I told myself this time that I'm going to take my time and do it the right way and make it look as professional as I can.
    Mac Chapman

    TWIN 66MM TURBO 392 STROKER W/ 727 TORQUEFLITE

  7. #7
    Join Date
    Aug 2012
    Location
    Iowa
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    Quote Originally Posted by jmgak47 View Post
    Looks good! I am so OCD with wiring also, even where it can't be seen it has to look good!
    Thank you! I'm OCD with a lot of things but wiring usually isn't one of them. But now that I've started a clean wiring job I absolutely have to finish it the same way. Haha. Plus the fact that it's such a huge wiring job means I have to do a clean and thorough job.
    Mac Chapman

    TWIN 66MM TURBO 392 STROKER W/ 727 TORQUEFLITE

  8. #8
    Join Date
    Aug 2012
    Location
    Iowa
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    Default

    Quote Originally Posted by hemi_loredo03 View Post
    Bad ass Mac. Is the Megasquirt considered a piggy back system? Or is this replacing your PCM?
    Thanks! It can be done either way. Just depends on how you wire it. I really want to just completely replace my factory pcm but then I'd have to rewire the entire truck. So i haven't decided yet. But we will see.
    Mac Chapman

    TWIN 66MM TURBO 392 STROKER W/ 727 TORQUEFLITE

  9. #9
    Join Date
    Feb 2018
    Location
    Indepndence,MO
    Posts
    17

    Default

    Very nice, taking your time to do it right the first time and making it look clean and factory makes the build look so much better.

  10. #10

    Default

    Have you looked at the custom tuner studio layouts? Looking forward to seeing how you go regarding piggy back vs whole pcm.

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