Car will not start every time

Car will not crank. I checked the battery it is good. When you get in car steering wheel never locks it will turn anyway. Get out of car lock car with key walk away ten feet, wait until lights go out unlock car with key and nine times out of ten it will crank. Sometimes you have to do it twice and sometimes when it cranks the steering wheel will not turn (it is not in lock just turns some), but it will go in gear and go forward and backward. However, you cannot turn the wheel but a little then if you turn it off and turn it back on it always cranks when you turn it off and back on if the wheel wont turn. I have it at shop now and they replaced the box under the steering wheel that everything goes through they are putting the old one back on. Can you give us any advice or help? Car has no other problems runs like a dream, drives like a dream if you can get it started.