500 MJ Posted January 23, 2020 Share Posted January 23, 2020 Does anyone know of a resource/guide for what Renix ECU Numbers correlate to what years/characteristics? I know about the last 3 digits “428” ECU being the holy grail of Renix ECUs, but all of the prior ones have to have a pecking order for next in line as far as the developments and advancements in them go. Also, there has to be a way to tell the 4 cyl and 6 cyl versions apart... Thanks in Advance! Link to comment Share on other sites More sharing options...
eaglescout526 Posted January 23, 2020 Share Posted January 23, 2020 Ask and you shall receive. Link to comment Share on other sites More sharing options...
500 MJ Posted January 23, 2020 Author Share Posted January 23, 2020 So riddle me this. Here is an ECU that apparently came from a ‘90 MJ. How does it’s part number fit into the mix? I should clarify that I don’t own this ECU. I found it for sale elsewhere online... Link to comment Share on other sites More sharing options...
eaglescout526 Posted January 23, 2020 Share Posted January 23, 2020 So it doesn't show up in the catalogue but the number does exist and it existed for a year before being superseded. Link to comment Share on other sites More sharing options...
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