humbucker coil split, phase reverse, parallel | The Gear Page
I'm going to be wiring two humbuckers with a master volume, 3 way switch, and coil split switch. This is the closest diagram I can find, except it uses a push/pull tone
2 Humbuckers/3-Way Lever Switch/1 Volume/2 Tones/Coil Tap | Guitar Gear Geek