I know that this is an old post, but just in case someone has the same problem, I found the short and have photos of it along with the correction.
Thanx for the help on this board......................
Here is the short to ground from the hot wire to the OD off switch, which was against a bracket on the column. It is under the rubber boot that is at the end of the shifter. It seems that the rubber boot puts pressure on the wire and causes it to rub on the bracket. The reason that it was intermittent, was that the rubber boot would allow it to move.
Here is a shot with the upper and lower plastic column covers removed and the rubber boot moved up the shifter shaft to facilitate the repair. It is still a tough place to solder and heat-shrink.
I pulled the wires apart and repaired the burned area, then I used heat-shrink and split loom to further protect it in the future. NOTE: You can see the burn mark on the bracket where it arced from the wire.
Here is how I temporarily fixed it so that I could drive it during the cold weather. I used an "Add-a-Circuit fuse holder and used a 10A circuit breaker. I cut off the extra lead for the second circuit and used it as a 90* fuse holder.
I hope that this will help others that are having a problem with a short that blows #2 fuse.