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Thread: 1227747 to 16197427 Conversion PCM Swap with Wiring Pinout Directions!

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  1. #24
    Fuel Injected!
    Join Date
    Jul 2012
    Location
    Louisiana
    Age
    62
    Posts
    42
    Quote Originally Posted by dave w View Post
    The '7747 is a 2K PPM VSS. The '427 is happy with a 2K PMM input to pin F13. The only time I needed 40 pulses / revolution was for an electronic overdrive transmission conversion.

    dave w
    What is the normal input from the VSSB to pin F13 on the '7427? Some sources say 2k PPM, but others say 4k PPM. And when do you need to set the "Output Speed not from DRAC" flag?
    Last edited by belaw; 08-13-2012 at 06:12 PM.

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