# Two stacks and SCH, five-way, push/pull split volume, two tones Canonical page: https://guitarwiring.app/wiring-diagrams/seymour-duncan/two-stacks-sch-five-way-push-pull-split-volume-two-tones 2 stacks · SCH · 5-way · push/pull vol · 2T Two stacks and SCH, five-way, push/pull split volume, two tones. Transcribed from the manufacturer wiring sheet. Drawing: https://guitarwiring.app/wiring-diagrams/seymour-duncan/two-stacks-sch-five-way-push-pull-split-volume-two-tones.svg (back of controls) ## Parts and values - Neck pickup: Neck pickup; generic (Humbucker (four-conductor, Seymour Duncan colours)) - Middle Strat stack (stand-in): Middle Strat stack (stand-in); generic (Humbucker (four-conductor, Seymour Duncan colours)) - Bridge pickup: Bridge pickup; generic (Humbucker (four-conductor, Seymour Duncan colours)) - 5-Way Blade Switch: 5-Way Blade Switch; compatible example (Oak Grigsby 5-Way) - Volume 250k: Volume 250k; 250k; compatible example (CTS 250k Audio Pot) - Tone 1 (neck): Tone 1 (neck); 250k; compatible example (CTS 250k Audio Pot) - Tone 2 (middle): Tone 2 (middle); 250k; compatible example (CTS 250k Audio Pot) - .047 cap: .047 cap; 47nF; compatible example (Orange Drop .047µF) - Output jack: Output jack; compatible example (Switchcraft \#11) - Bridge ground: Bridge ground; generic (Bridge ground wire) ## Specific to this wiring - Two Strat tones share one .047 µF capacitor via a jumper between tone-2 wiper and tone-1 capacitor lug; passive tone analysis is topology-only (toneReachesSignal). ## Connections 1. Neck pickup gnd → Volume 250k casing (wire, green) 2. Neck pickup bare → Volume 250k casing (wire, bare) 3. Middle Strat stack (stand-in) black → Volume 250k casing (wire, green) 4. Middle Strat stack (stand-in) bare → Volume 250k casing (wire, bare) 5. Bridge pickup black → Volume 250k casing (wire, green) 6. Bridge pickup bare → Volume 250k casing (wire, bare) 7. Middle Strat stack (stand-in) gnd → Volume 250k casing (wire, green) 8. Middle Strat stack (stand-in) bare → Volume 250k casing (wire, bare) 9. Bridge pickup gnd → Volume 250k casing (wire, green) 10. Bridge pickup bare → Volume 250k casing (wire, bare) 11. Volume 250k lug1 → Volume 250k casing (wire, ground) 12. Volume 250k casing → Output jack sleeve (wire, black) 13. Bridge ground ground → Volume 250k casing (wire, black) 14. .047 cap b → Tone 1 (neck) casing (wire, black) 15. Tone 1 (neck) casing → Volume 250k casing (wire, black) 16. Tone 2 (middle) casing → Tone 1 (neck) casing (wire, black) 17. Bridge pickup white → 5-Way Blade Switch T3 (wire, black) 18. Middle Strat stack (stand-in) white → 5-Way Blade Switch T1 (wire, black) 19. Neck pickup hot → 5-Way Blade Switch T2 (wire, black) 20. 5-Way Blade Switch T4 → 5-Way Blade Switch T8 (wire, black) 21. 5-Way Blade Switch T8 → Volume 250k lug3 (wire, black) 22. 5-Way Blade Switch T4 → 5-Way Blade Switch T8 (wire, black) 23. 5-Way Blade Switch T4 → Volume 250k lug3 (wire, black) 24. 5-Way Blade Switch T7 → Tone 1 (neck) lug3 (wire, black) 25. 5-Way Blade Switch T5 → Tone 2 (middle) lug3 (wire, black) 26. Neck pickup black → Neck pickup white (wire, red) 27. Middle Strat stack (stand-in) black → Middle Strat stack (stand-in) white (wire, red) 28. Bridge pickup black → Bridge pickup white (wire, red) 29. Middle Strat stack (stand-in) black → Middle Strat stack (stand-in) white (wire, red) 30. Bridge pickup black → Bridge pickup white (wire, red) 31. Volume 250k lug2 → Output jack tip (wire, black) 32. Tone 1 (neck) lug2 → .047 cap a (wire, black) 33. Tone 2 (middle) lug2 → Tone 1 (neck) lug2 (wire, black) ## What each position does - Two Strat tones share one .047 µF capacitor via a jumper between tone-2 wiper and tone-1 capacitor lug; passive tone analysis is topology-only (toneReachesSignal). - Engine rule selectionReachesTip fails on the transcribed board; passive position analysis is not verified. - Engine rule noShort fails on the transcribed board; passive position analysis is not verified. - Engine rule volumeMutes fails on the transcribed board; passive position analysis is not verified. - Engine rule seriesLinkIsolated fails on the transcribed board; passive position analysis is not verified. - Engine rule requiredTerminalsWired fails on the transcribed board; passive position analysis is not verified. ## Check before plugging in ## Source Tinkercaster's own drawing of the Seymour Duncan diagram 2STK\_SCH\_5W\_1Vpp3SPL\_2T, revision 1. Not the manufacturer's artwork and not endorsed by Seymour Duncan. See also [all wiring diagrams]().