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Thread: E37 Bench flash diagram

  1. #1
    Fuel Injected!
    Join Date
    May 2012
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    E37 Bench flash diagram

    I was hoping someone might have the pinouts that are used on the e37 controllers for communication and flashing. I am attempting to build a bench flash harness but dont have any of the pinouts.

    Any help would be greatly appreciated.

  2. #2
    I can get you the diagrams. Which year/model did the ECM come from?

  3. #3
    Fuel Injected!
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    Thankfully TC was nice enough to share them with me.
    Here they are if anyone else needs them

    Black Connector:


    Pin Signal
    8 Ground
    19 Ignition
    20 Battery
    43 CAN +
    44 CAN -

  4. #4
    Fuel Injected!
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    Should this work for all E37?
    Trying to read from a 2010 impala ecm,just added connector to my harness and getting nothing.
    Prodemand diagrams are unreliable,i've already found mistakes in pinout.

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