Do you have to pull the steering column on 97 Chevy lumina replace turn signal switch?

No, you generally do not have to remove the steering column to replace the turn signal switch on a 1997 Chevy Lumina. The switch is usually accessed and replaced from behind the steering wheel, after removing the steering wheel cover, and possibly some other components depending on the exact model. You'll find numerous online videos and repair manuals that show this procedure in detail. Always disconnect the battery negative terminal before beginning any electrical work.