94gtcobra

Well I installed a trango shift kitin my 94Mustang GT,i did all what the instructions told me and doubled checked and cleaned everything thing with brake cleaner. As soon as i installed it and put about 8 quarts of oil , I put the car in the DRIVE position while it was in the air and nothing would happened, i put it in reverse and nothing. None of my gears work, please help!!! what canit be.