So I was thinking about having the middle position be in series. I'm using no knobs or pots, just the pickups and a three-way switch Jazzmaster-style switch. Anyone have any ideas on how to approach this? Maybe even a handy-dandy wiring diagram?

I think you can do that with the on/on/on style switch mentioned above
What kind of pickups are they exactly? I know getting my 3xP90 firebird to be in phase was a bit of a pain, i had to rotate bar magnets very specifically *and* swap wires around.
Well, IMHO, the best would be to copy my schems and go to a competent tech to explain to him exactly what you expect from your 3 PU Strat wiring configuration.
The neck pickup is a Dearmond "Hershey Bar" from '56 that would have been found on Harmony H-44 Stratotones and the bridge is a Dearmond Diamond Grill Silverfoil that I took out of my mid-60s Silvertone Silhouette.
Thanks! It's pretty neat, for sure.
Yes, true @antisymmetric : it's an important point to recall ! Otherwise you will front unbearable hum...antisymmetric wrote: ↑Fri Aug 09, 2019 6:30 pmIf it hasn't been mentioned already, (I didn't see it but may have missed it) one thing to do with your metal-housed pickups is that if the pickup housing & cover are connected to one side of the coil for grounding, it should be disconnected and grounded separately. It's pretty easy, just a matter of desoldering the end of the coil from the baseplate, and then running two separate hookup wires, one to the coil, the other to the base plate. I have some '60s lipsticks that were done this way, and I have some later cheapo copies with grounded covers that I wanted to run in series, so a few minutes with a soldering iron and I was good to go.