355 - Needed: 2.7 ECU Wiring Diagram | FerrariChat
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355 Needed: 2.7 ECU Wiring Diagram

Discussion in '348/355' started by OCKlasse, Jun 12, 2024.

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  1. OCKlasse

    OCKlasse Formula Junior
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    Brandon K
    #1 OCKlasse, Jun 12, 2024
    Does anyone have one handy they can please provide?

    Thank you very much in advance!

    -Brandon
     
  2. Qavion

    Qavion F1 World Champ
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    #2 Qavion, Jun 12, 2024
    Do you mean the internal wiring diagram for the ECUs, Brandon?
     
  3. OCKlasse

    OCKlasse Formula Junior
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    #3 OCKlasse, Jun 12, 2024
    To be clear, I mean the wiring diagram for the vehicle, showing the outputs from the ECU to the rest of the car.
     
  4. Qavion

    Qavion F1 World Champ
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    #4 Qavion, Jun 12, 2024
    308 GTB, OCKlasse, PaulK and 1 other person like this.
  5. OCKlasse

    OCKlasse Formula Junior
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    #5 OCKlasse, Jun 12, 2024
    Thank you so much! I am working on developing a piggy back. With my intake and exhaust work, the car is running lean on the bottom end.
     
    Qavion likes this.
  6. flash32

    flash32 F1 Veteran

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    Dominick
    #6 flash32, Jun 12, 2024
    @Qavion

    Sorry to derail this thread but what is the purpose of pin 39 USA only - grounded ?
     
  7. Qavion

    Qavion F1 World Champ
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    #7 Qavion, Jun 13, 2024
    I wasn't able to find anything on this, Dominick. The WSM, wiring diagrams and diagnostic charts offer no clues.
     
    flash32 likes this.
  8. m.stojanovic

    m.stojanovic F1 Rookie
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    Miroljub Stojanovic
    #8 m.stojanovic, Jun 13, 2024
    One general Motronic 2.7 ECU pinout that I have (not Ferrari specific) shows the Pin 39 as "unoccupied". On the 348, it is connected to ground.
     

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