Guitar wiring diagram with one humbucker, one volume control and two On/On mini switches. One switch selects series humbucker or parallel humbucker and one switch selects humbucker mode or single coil mode (South coil). Ready to start? Don't forget the Wire, Solder, Shielding & Supplies. Copyright© GuitarElectronics.com LLC. Unauthorized use prohibited. Click diagram to view full size.