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Thread: pinout needed

  1. #1
    Carb and Points!
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    pinout needed

    hello ,im working on my chevy. trying to hook up my holley dominator ecu
    to my tbi.my application is 1991 454 /w 4l80e trans that i took from a suburban and shoved it into my 1971 chevy c10
    .i got the proper connectoins for the holley ecu and want to use the TBI harness.im haveing
    trouble finding the right pinout schematic with color lables for the TBI so i can translate the stock wireing to the pinout schematic
    for the holley.please help me out with a link or free download .thanx and ill keep you all updated with the progress of my project.

  2. #2
    RIP EagleMark's Avatar
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    Will that ECU control an Etrans? Not sure why you need it as the PCM is tunable and runs the trans.

    http://www.gearhead-efi.com/Fuel-Inj...Information-85

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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  3. #3
    Carb and Points!
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    Not sure what an etrans is but the holley operates th
    4l80e. So are you selling a pinout manual?
    For give me I'm new to the forum world. This is the first time iv used a forum
    For my Chevy project . This has been a 2 year project and
    Have made it far with what iv done. Just need a lil help
    With the identifying of the tbi harness.

  4. #4
    RIP EagleMark's Avatar
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    Really? I didn't know holley would do eTrans? Cool.

    I'll sell you one if you want? But I gave you a link above to get them for free...

    OK here it is again, click on this thing below.
    http://www.gearhead-efi.com/Fuel-Inj...Information-85

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  5. #5
    Super Moderator Six_Shooter's Avatar
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    Interesting, this is the first I've heard about any Holley ECU controlling an E-Trans.

    http://www.holley.com/types/Dominato...%20-%20ECU.asp
    The man who says something is impossible, is usually interrupted by the man doing it.

  6. #6
    Fuel Injected! phonedawgz's Avatar
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    I'd strip the harness and rebuild it to match your PCM. No questions on which Black wire you have in your hands then.

    ------

    Man that's a pricey way to go.

    https://www.google.com/search?oq=Dom...w=1280&bih=715
    Last edited by phonedawgz; 11-07-2012 at 08:05 PM.

  7. #7
    RIP EagleMark's Avatar
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    Quote Originally Posted by Six_Shooter View Post
    Interesting, this is the first I've heard about any Holley ECU controlling an E-Trans.

    http://www.holley.com/types/Dominator EFI - ECU.asp
    That's a pretty impresive list of features! Wonder if anyone can get software to see what's up?

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  8. #8
    RIP EagleMark's Avatar
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    Quote Originally Posted by phonedawgz View Post
    Yes but if you can afford half the features it covers then price is not an issue...

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  9. #9
    Fuel Injected! JeepsAndGuns's Avatar
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    Quote Originally Posted by Six_Shooter View Post
    Interesting, this is the first I've heard about any Holley ECU controlling an E-Trans.

    http://www.holley.com/types/Dominator EFI - ECU.asp
    Wow, that does sound like a pretty sweet pcm. DIS controll, wideband fueling, turbo support, etc.. They are definately proud of it. But with the time and money they spent to develop it, I can understand the price. And I'm with mark, if you can afford all the goodies it can control, then the pcm itself is chump change.
    So do you tune with a laptop or what? Wonder what all kinds of parameters it has, what the fuel and spark tables look like and how big they are. Would be interesting to see.
    Wonder if its limited to the lsx trigger wheels for dis or if you can use other trigger wheels?
    79 Jeep Cherokee, AMC 401, T-18 manual trans, hydroboost, 16197427 MPFI system---the toy

    93 Jeep YJ Wrangler, 4.0L, 5 speed, 8.8 rear, homebrew hub conversion and big brakes, hydroboost, 2.5in OME lift, 31x10.50's---the daily driver

    99 Jeep WJ Grand Cherokee limited, 4.0L, auto, 2wd, leather and power everything, 99% stock---the long distance highway ride.

  10. #10
    Super Moderator Six_Shooter's Avatar
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    Would it not make more sense to use the Dominator EFI harnesses, instead of re-pinning a GM harness?
    The man who says something is impossible, is usually interrupted by the man doing it.

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