Ignition switch question

This is starting to sound like linkage out of adjustment. With either automatic or stick, the trans must be in park (auto) or reverse (stick) for the column to go to lock

I realize you said yours is 73, this is for '70.............

Here, from MyMopar, is video and pdf on the subject
MyMopar - Mopar Forums & Information - Browse MTSC by Model Year - 1970
http://www.mymopar.com/downloads/mtsc/267.pdf