Tooth

I recently installed this transmission in My car, I had a few problems with wiring. EinST and MDTAHOE helped Me through that secnario and everything is working as it should with the exception of the transmission. When I installed this transmission I changed the front pump seal, fluid and filter. The transmission is full of fluid, I have reverse,1st and 2nd gear only. No 3rd or (OD) 4th gear I tried to shift through the gears manually with the gear shifter with no results. The check engine light is NOT on in the insturment panel.