Guitar wiring diagram with one humbucker and one volume control with a 5-position rotary switch switch that selects 5 different sounds: 1.series in-phase 2. North coil 3.parallel in-phase 4.South coil 5.series reverse-phase. Ready to start? Don't forget the Wire, Solder, Shielding & Supplies. Copyright© GuitarElectronics.com LLC. Unauthorized use prohibited. Click diagram to view full size.