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Thread: BWZB 1995 Caddy 4.9 rom

  1. #1
    Carb and Points!
    Join Date
    May 2019
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    40
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    BWZB 1995 Caddy 4.9 rom

    Hey guys,
    I have a request to tune a caddy motor that was swapped into a Fiero and I can't seem to find any details about this ECU/ECM/PCM.
    It seems that it ties into a lot of other computers, and the goal is to eliminate that. We previously had a 4.3 v8 from a caprice running on $EE code, but it crank walked, so decided to go a different route.
    The Prom number is 16242685.
    Anyone have any experience with one of these, or should we go standalone?

    Thanks,
    Jay
    Attached Files Attached Files

  2. #2
    Fuel Injected!
    Join Date
    Mar 2013
    Posts
    1,475
    Looks like it is some kind of $0D mask, which have some support already.

    How did you dumped the file. Can you try reading the file via aldl with flashhack program.

  3. #3
    Carb and Points!
    Join Date
    May 2019
    Age
    40
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    I dumped it off the nm27c512 Eprom directly.
    I'll try reading it in the car.

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