Yes, the light switch, the Hi Bean switch and regulator should all use these little clips. We all need'em and I'll bet somebody sells them by the bag. I'm not sure what name to use searching for them

Here is a trial picture showing recent work:
Attachments
Tail-Light-08.jpg (76.95 KB, 128 downloads)

Vintage Paul
Paul O'Neil, SoCal
1951 Chevy 3600 Project