Schematics - Gibson Schematics . Listed below are schematic wiring diagrams for some of the more popular Gibson products, past and present. We will be continually updating this list at regular intervals. If you do not see the the schematic for the model you are intersted in, please leave us a message - chances are good we will have it. These diagrams are in GIF Epiphone Nighthawk ST3 wiring diagram URGENT help required Jul 28, 2017I have just bought a used 3 pickup nighthawkthe guy who had it before me made a total mess of the wiring as he only wanted one pick up working 90% of the wiring is disconnected I am in urgent need to sort it out anyone have a diagram or can anyone send me a pic of their wir..