Guitar wiring diagram with 2 humbuckers and 3-way toggle switch with 1 V-Treb volume, 1 DMT Dual Mode Tone and 1 HCP Humbucker Control Pot with optional mode switch for the HCP control to select either coil tap mode or coil filter mode. Ready to start? Don't forget the Wire, Solder, Shielding & Supplies. Copyright© PMT Music Products LLC. Unauthorized use prohibited. Click diagram to view full size.