s1 switch

Hi there - 18 years ago on this thread (Wiring diagram for series/parallel J-bass) someone mentioned being able to have a 3 way switch so that one could have just the neck or bridge pickup in series on a jazz bass, giving you the options of parallel, series, series neck, and series bridge. Is...

I’m installing an S1 switch in a Jazz Bass I have laying around. I’d like the ability to switch between series and parallel. Can’t seem to find the wiring diagrams. There are old threads with references to them and dead links. Fender’s link to the diagram is also broken and/or removed...