If it turns out you need a replacement for the electrical portion of the ignition switch - it mounts with two phillips head screws - I can assist. Friendly pricing..
Rebuilding should be your first action, though.
Removing the entire ignition switch from the car is probably not necessary if just the rear mounted electrical portion is kaputz.. but I have never done it in the car, just on the bench.
The ignition switch is mounted to the column with two bolts that have a break-away hex head for security reasons, and removing the durn thing may be a PITA.
PM me if you need help, advice or parts.
As for the steering rack, the Pantera rack was NOT sourced from the Capri - just the column (which DeTomaso cut, shortened and welded back together),ignition switch,signal stalk and steering wheel.
Larry