here is my dilemma, My truck is a 1987 v10 ,305-700r4 ,4x4 with 35s . I had my current 700r4 rebuilt, installed it, couldn’t back out of garage , no reverse!! So I pulled it took it back he “fixed” it . I installed it took it for a drive, it won’t shift out of 1st gear now ! I have a 1984 ...