Guitar Humbucker Wire Color Codes | Guitar Wirirng Diagrams Seymour Duncan '59 Humbucker-4 Conductor-Bridge. The 59 Model bridge pickup is a full sounding, versatile PAF style humbucker with an articulate treble attack, full bottom end, and scooped midrange. Guitar Wiring Diagrams & Resources | GuitarElectronics Guitar Wiring Diagram Archive. Select the number of pickups you have to view our free wiring diagrams as well as humbucker wire color codes, guitar wiring mods, typical toggle switch and pickup selector terminal connections and cress reference diagrams. ESP - Simple High Quality Hi-Fi Preamp ESP Project Pages - Simple Hi-Fi Audio Preamp. Easy to build design with excellent peformance. but care should be taken to ensure that left and right channel wiring is kept separated wherever possible to prevent crosstalk. and a 100nF capacitor between supply leads (not shown in diagrams). The latter should be as close as practicable to Bass Pickup and Preamp Wiring Diagrams - Download your PDF now Wiring diagram PDF downloads for bass guitar pickups and preamps. A wiring diagram is visual representation of an electric circuit or system. This page provides diagram downloads for many different pickups and preamps. OBP-2 Preamp. General Wiring Diagram. 1-Pickup 2-Knob. Volume - Treble/Bass Stack; Volume (Push/Pull Active Passive Wiring Diagram ec-256 - The ESP Guitar Company Mar 28, 2018If anyone can help I need a wiring diagram for the EC-256. 2 vol 1 tone/push pull. Bought this guitar used and someone did some "modifications".. thanx in advance.