4L60E Trans won’t shift down
03-02-2023, 09:44 AM
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4L60E Trans won’t shift down Hi I’ve got a 1999 GMC new body style with the 4L60E trans and I just swapped in a 05, LS5.3L motor and I can not get the trans to shift down or go into 4th or 1st gear is there some wire I forgot to hook? Up also I converted it to drive by wire.
