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Thread: 1228746 ECM Information $61

  1. #1
    EFI GearHead ! EagleMark's Avatar
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    1228746 ECM Information $61

    1228746 ECM Information $61 This ECM was used in 1989 to 1992 F and B Cars, LO3 (5.0L) and LO5 (5.7L) engines.

    Some B cars, Caprice, Buick etc... used 16136965 $62

    Click Here for details on how to read error codes known as Check Engine Light (CEL) or Service Engine Soon (SES) can be found in this thread.


    *Work in progress*

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

  2. #2
    EFI GearHead ! EagleMark's Avatar
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    Wiring diagrams for the 1228746.
    Attached Images Attached Images

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

  3. #3
    EFI GearHead ! EagleMark's Avatar
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    TunerPro Definition files for 1228746 ECM $61

    TunerPro Definition files for 1228746 ECM $61
    Attached Files Attached Files

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

  4. #4
    EFI GearHead ! EagleMark's Avatar
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    Bin files for the 1228746 ECM

    Here's a few bin files I have for the 1228746. These are known good bin files. There are many bin files recalled by GM and superceded with a new BCC. The chip would be replaced in your ECM so the BCC code on the ECM cover could be wrong. Need to look for BCC on chip inside ECM cover.

    Still need good bins for 5.7L Auto and Manual.

    I don't have any records for it being used in 4.3L or 7.4L engines.
    Attached Files Attached Files

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

  5. #5
    EFI GearHead ! EagleMark's Avatar
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    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  6. #6
    EFI GearHead ! EagleMark's Avatar
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    $61 Hac Disassembly 1228746 ECM

    $61 Hac Disassembly 1228746 ECM
    Attached Files Attached Files

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

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