Most likely the last time someone had the horn/light switch out they bent the rod. It goes all the way thru the steering shaft to the switch at the bottom of the steering box. If you try to remove it without having an open roof, there is not enough room to get it out without cheating, as in bending it. They must be straight. To fix, you would need to unbolt the column at the dash, and where the box bolts to the frame so you can tip it down enough to remove, straighten, and put back in without bending it. I am not familiar with a 4 door, you may not have enough room yet, and have to fully remove the steering box. Others with more experience will chime in, but thats the basic idea