Guitar wiring diagram with 2 humbuckers, 3-way toggle switch, one volume control plus on/on mini toggle switches for coil tap and series parallel. One switch selects humbucker or single coil mode (neck pickup North coil and bridge pickup South coil) and the the other switch puts the neck and bridge pickups in series or parallel. Note: To access the series mode, the pickup selector must be in the neck position. Ready to start? Don't forget the Wire, Solder, Shielding & Supplies. Copyright© GuitarElectronics.com LLC. Unauthorized use prohibited. Click diagram to view full size.