# Three SCH, five-way, push/pull split volume and tone Canonical page: https://guitarwiring.app/wiring-diagrams/seymour-duncan/three-sch-five-way-push-pull-split-volume-tone 3 SCH · 5-way · push/pull volume (3-way split) · 1T Three SCH, five-way, push/pull split volume and tone. Transcribed from the manufacturer wiring sheet. Drawing: https://guitarwiring.app/wiring-diagrams/seymour-duncan/three-sch-five-way-push-pull-split-volume-tone.svg (back of controls) ## Parts and values - Neck pickup: Neck pickup; generic (Humbucker (four-conductor, Seymour Duncan colours)) - Middle pickup: Middle pickup; generic (Humbucker (four-conductor, Seymour Duncan colours)) - Bridge pickup: Bridge pickup; generic (Humbucker (four-conductor, Seymour Duncan colours)) - 5-Way Switch: 5-Way Switch; compatible example (Oak Grigsby 5-Way) - Volume 250k push/pull: Volume 250k push/pull; 250k; compatible example (250k Push-Pull DPDT) - Tone 250k: Tone 250k; 250k; compatible example (CTS 250k Audio Pot) - .047 µF tone cap: .047 µF tone cap; 47nF; compatible example (Orange Drop .047µF) - Output Jack: Output Jack; compatible example (Switchcraft \#11) - Ground wire to bridge: Ground wire to bridge; generic (Bridge ground wire) ## Specific to this wiring - Volume push/pull grounds all three SCH series links when up, per the source arrows. - Middle SCH uses red hot lead on the sheet; neck and bridge use black hots. ## Connections 1. Neck pickup gnd → Volume 250k push/pull casing (wire, green) 2. Neck pickup bare → Volume 250k push/pull casing (wire, bare) 3. Middle pickup gnd → Volume 250k push/pull casing (wire, green) 4. Middle pickup bare → Volume 250k push/pull casing (wire, bare) 5. Bridge pickup gnd → Volume 250k push/pull casing (wire, green) 6. Bridge pickup bare → Volume 250k push/pull casing (wire, bare) 7. Ground wire to bridge ground → Volume 250k push/pull casing (wire, black) 8. Volume 250k push/pull lug1 → Volume 250k push/pull casing (wire, ground) 9. Volume 250k push/pull casing → Output Jack sleeve (wire, black) 10. .047 µF tone cap b → Tone 250k casing (wire, black) 11. Tone 250k casing → Volume 250k push/pull casing (wire, black) 12. Bridge pickup hot → 5-Way Switch T3 (wire, black) 13. Middle pickup hot → 5-Way Switch T1 (wire, black) 14. Neck pickup hot → 5-Way Switch T2 (wire, black) 15. 5-Way Switch T4 → 5-Way Switch T8 (wire, black) 16. 5-Way Switch T8 → Volume 250k push/pull lug3 (wire, black) 17. Neck pickup black → Neck pickup white (wire, red) 18. Middle pickup black → Middle pickup white (wire, red) 19. Bridge pickup black → Bridge pickup white (wire, red) 20. Volume 250k push/pull lug2 → Output Jack tip (wire, black) 21. Volume 250k push/pull lug3 → Tone 250k lug1 (wire, black) 22. Tone 250k lug2 → .047 µF tone cap a (wire, yellow) ## What each position does - Position 1 · push: Bridge pickup (both coils). Source: Engine reading of the transcribed board; matches the source legend. - Position 1 · pull: Bridge pickup (both coils). Source: Engine reading of the transcribed board; matches the source legend. - Position 2 · push: Middle pickup (both coils) and Bridge pickup (both coils) in parallel. Source: Engine reading of the transcribed board; matches the source legend. - Position 2 · pull: Middle pickup (both coils) and Bridge pickup (both coils) in parallel. Source: Engine reading of the transcribed board; matches the source legend. - Position 3 · push: Middle pickup (both coils). Source: Engine reading of the transcribed board; matches the source legend. - Position 3 · pull: Middle pickup (both coils). Source: Engine reading of the transcribed board; matches the source legend. - Position 4 · push: Neck pickup (both coils) and Middle pickup (both coils) in parallel. Source: Engine reading of the transcribed board; matches the source legend. - Position 4 · pull: Neck pickup (both coils) and Middle pickup (both coils) in parallel. Source: Engine reading of the transcribed board; matches the source legend. - Position 5 · push: Neck pickup (both coils). Source: Engine reading of the transcribed board; matches the source legend. - Position 5 · pull: Neck pickup (both coils). Source: Engine reading of the transcribed board; matches the source legend. - Three-way coil-split on one DPDT push/pull is transcribed as drawn; pull/up position analysis is topology-only. ## Check before plugging in ## Source Tinkercaster's own drawing of the Seymour Duncan diagram SCHSCHSCH\_5W\_1Vpp3SPL\_1T, revision 1. Not the manufacturer's artwork and not endorsed by Seymour Duncan. See also [all wiring diagrams]().