Turn signal switch wiring
Coming out of the steering column, right about at the dash lower edge, to interface with the instrument panel/ under dash harness If it is a locking column, there will be a long slender one for the ignition switch.
You need to tell us what you are working on, year, make, model. There are service manuals and 3rd party diagrams over at MyMopar. If this is a locking column, AbodyJoe has a nice "how to" old thread
How To Install an Ignition Switch in 1970 Dodge Dart