• '82 Corvette ECM 1225550 swap to '84 Corvette ECM 1226430
  • '82 Corvette ECM 1225550 swap to '84 Corvette ECM 1226430
  • '82 Corvette ECM 1225550 swap to '84 Corvette ECM 1226430
  • '82 Corvette ECM 1225550 swap to '84 Corvette ECM 1226430

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  1. #16
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    May 2008
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    Texas
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    1996 GS # 023
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    Looking at trying this on an 82 CE, having other issues and looking at a less expensive route. From what I read I must have the 84 AT prom. If I find a complete AT unit with the stock 84 prom am I good to go?

    Thanks
    Last edited by GS023; 05-07-19 at 03:44 PM.

  2. #17
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    Aug 2018
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    Onsala
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    Quote Originally Posted by GS023 View Post
    Looking at trying this on an 82 CE, having other issues and looking at a less expensive route. From what I read I must have the 84 AT prom. If I find a complete AT unit with the stock 84 prom am I good to go?

    Thanks
    Yes, you need both the ECM and the chip from 84, for automatic the ECM is 1226026. The electrical connectors is just to plug in. The 84 ECM is smaller than the 82, and you need to attach it in some clever way. I used zip ties as a temporary solution (I need to change that some day).
    Likes Tom Bryant liked this post

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