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Thread: Shifting patteren for 4L60 E with files

  1. #1
    Tuner in Training
    Join Date
    Jun 2020
    Posts
    19

    Shifting patteren for 4L60 E with files

    LQ4 o411 pcm OBS 99 2 dr Tahoe with 4L60E trans... want to make sure this looks correct ... is the shifting pattern correct for it... I have a stock converter i know i need a higher stall(I know i really need a 4L80) but more worried about the shifting pattern with the solenoids.. i checked all the wires and all go as they should. just cant find when what solenids should be one anyone can help see attached file an drawing. new to tunning so please excsue if if did something wrong.. right now just trying to figure out why it wants to die when i put in reverse or park and is shifting it correct
    tune 4l60e maybe work 6_23_20.hpttransmission shifts tahoe99 4L60.hpltans wiring.jpg
    Last edited by rossafrica1; 06-23-2020 at 06:02 PM.

  2. #2
    Tuner in Training
    Join Date
    Jul 2018
    Posts
    32
    Hi Rossafrica1 Your post should be under transmissions .


    Your wiring is correct bellow is the A solenoid and B solenoid

    A Solenoid B solenoid


    1st ON ON

    2nd OFF ON

    3rd OFF OFF

    4th ON OFF