Your doing the correct thing to do, the wires in the harness for ignition switch will rub over the metal bend in the top of steering column. It happened to me blew 40amp fuse after I had a white column of smoke come out of steering wheel.

Happened when we pulled into rest area for lunch and was there till next morning for tow.

The cover on steerig column has screws in the holes you see on it. Back them all off and two pieces will come off.
The metal bend you will see at top of post after I had the harness replaced I placed a wire guard around the wires going over the bend.
Have not had any trouble since, it was in 04.
I can not get in MH to check the screws think they were "phillips"

or allen head.