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Thread: 4l80 to 4l60 help

  1. #1
    Potential Tuner
    Join Date
    Jun 2020
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    4l80 to 4l60 help

    hey everyone I'm trying to tune my os 12597120 from the 4l80 to a 4l60. I did segment swap it but won't shift out of second. I'm really new to this and wasn't sure if everything was correct.
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    Last edited by ronnorman6; 06-27-2020 at 08:23 PM.

  2. #2
    Senior Tuner Lakegoat's Avatar
    Join Date
    Jul 2012
    Location
    Florida
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    There are two solenoids in the 4L80 that are backward from the 60. Did you wire the 60 to compensate for that?
    2000 Camaro SS 2015 L83 port injected, Whipple 3.0, 4L80E, 8.8 Ford
    2013 Silverado 5.3, 6L80k 8.8

  3. #3
    Potential Tuner
    Join Date
    Jun 2020
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    I purchased a harness for the 4l60 so I'm going to check the pin out and make sure everything is correct.

  4. #4
    Tuner in Training
    Join Date
    Jul 2018
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    32
    Hi you will need to run 2 extra wires from the trans to the Pcm and change the one wire from S on the 4L80 to T on the 4L60 then you will need 2 new wire from S and U on the 4L60 needs to go to the PCM. That should solve some of your problem. 4L60E Plug From what i can remember pin S will go to 0411 PCM pin 79 on the blue plug. U to pin 2 on the red plug and T to pin 42 on the red plug. Please be 100% sure that it is the correct pins before you start or else you will have Big problems.

    4L60e.jpg

    4l80e.gif
    Last edited by Overdrive915; 07-01-2020 at 04:24 AM. Reason: additional info