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  1. 03-29-2015 #1
    mike327
    mike327 is offline
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    Speedometer signal question

    What input signal do I need to run the oem speedometer 2000 ppm 4000 ppm ?? The signal will be coming from TCI Trans controller. I can change the output from tci to either or. I've been told that the OEM signal is 128000 going to the speedo? If that is the case I need to convert the 2000 or 4000 signal 128000. It's a 95 silverado 383 with Holley terminator EFI and tci trans Controler.
    Last edited by mike327; 03-29-2015 at 09:25 PM.
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