plymoth voyger 95 A670 transmission will not shifft

I just recently rebuilt my first transmission A670 OUT OF MY PLYMOTH VOGER. after i reinstalled it it will not shift out of 1st. i installed a sonnax governor bracket and spring part n #32204-03k. I am lost at this point what i should do next. I really don,t want to pull it out again but i will if i have to. please if you have any information that will help me . I followled a step by step rebuild:uhoh: manual.