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Thread: 94 VR4/TT Hybrid ECU (Fed-spec)

  1. #1
    Runs on alcohol. The car does too. Not Verified Feedback Score 2 (100%) Intropy's Avatar
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    94 VR4/TT Hybrid ECU (Fed-spec)

    Up for sale is a low-mile hybrid 94 turbo ECU, fed-spec. This is compatible with 94-95 turbo cars, and others with modification. No leaky caps (these aren't really known to leak like the first gens anyway).

    $100 shipped. Trades welcome.

    AEM s2 EMS | E316Gs | E85

  2. #2
    Here for the party Not Verified Feedback Score 1 (100%) CoreyB's Avatar
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    Looking at the pinouts between the 91 TT and the 94 TT I dont think it would be overly difficult to make this work in my 91 VR4. What does you mean by its a hybrid ECU.

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    Runs on alcohol. The car does too. Not Verified Feedback Score 2 (100%) Intropy's Avatar
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    Quote Originally Posted by CoreyB View Post
    Looking at the pinouts between the 91 TT and the 94 TT I dont think it would be overly difficult to make this work in my 91 VR4. What does you mean by its a hybrid ECU.
    Yeah not hard. 94-95 ECUs are referred to as "hybrid" because they were in between OBD1 and OBDII, they use Mitsu's MUTII protocol. This used to make them hard to connect to but these days it's a non-issue and supported by EvoScan et al.

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    Here for the party Not Verified Feedback Score 1 (100%) CoreyB's Avatar
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    Cool. If you still have it in a couple days I will take it, by Friday will not be an issue.

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    Forum User verified Feedback Score 6 (100%) Wildarmz's Avatar
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    Just want to chime in and say that a 94 TT ECU does not have the same pinouts as a 91-93 TT ECU, so unless you change your harness it won't work. The hybrid ecu has 4 connectors, where as the OBD1 ECU has 3.

    http://www.stealth316.com/2-ecu94.htm

    Anyways, that is a good deal!
    94 SL, 16 C7 Z51

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    Here for the party Not Verified Feedback Score 1 (100%) CoreyB's Avatar
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    Yeah the 3 connectors from the 91 TT fit into 3 of the four sockets for the 94 TT. The fourth connector only hold a couple needed wires for the TT, the rest are NA and auto only. I would need to move a couple wires around but its worth it for a ECU I can afford at this time. Sure he will sell it by Friday anyways.

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    Runs on alcohol. The car does too. Not Verified Feedback Score 2 (100%) Intropy's Avatar
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    -- sold! --

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    Here for the party Not Verified Feedback Score 1 (100%) CoreyB's Avatar
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    I knew it wouldnt last till Friday

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    Member verified Feedback Score 6 (100%) dbest671's Avatar
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    Saved me a $100 lol... thanks to whoever bought it.

  10. #10
    Here for the party Not Verified Feedback Score 1 (100%) CoreyB's Avatar
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    It was me lol. Gonna put it in my 91 VR4. Plan on posting a how I did it thread.........If it works out

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