Its somewhat typical for the pin that operates the column mounted switch to be broken inside the column. If you have the 3 post switch on the trans you can simply route the 2 wires to that switch just like the factory did.
I have the single pin in Trans.
If I get a three pin switch new and instal it. I can run wires from column to the switch ? Or fix the pin switch. ? Sounds easier to to get three pin switch ?