# Two humbuckers with a three-way toggle, one volume and two tones

Canonical page: https://guitarwiring.app/wiring-diagrams/seymour-duncan/two-humbuckers-three-way-toggle-one-volume-two-tones

Two humbuckers · Three-way toggle · One volume · Two tones

Neck and bridge Seymour Duncan humbuckers, each with its own 500k tone and .047 µF capacitor ahead of a three-way toggle, then one 500k master volume. The red and white leads on each pickup are joined and taped off.

Drawing: https://guitarwiring.app/wiring-diagrams/seymour-duncan/two-humbuckers-three-way-toggle-one-volume-two-tones.svg (back of controls)

## Parts and values

- Neck Pickup: Seymour Duncan Neck Pickup; generic (Humbucker (four-conductor, Seymour Duncan colours))
- Bridge Pickup: Seymour Duncan Bridge Pickup; generic (Humbucker (four-conductor, Seymour Duncan colours))
- 3-Way Toggle: 3-Way Toggle Switch (unlabelled tags); compatible example (Switchcraft 3-Way Toggle)
- Volume 500k: Volume 500k; 500k; compatible example (CTS 500k Audio Pot)
- Neck Tone 500k: Neck Tone 500k; 500k; compatible example (CTS 500k Audio Pot)
- Output Jack: Output Jack; compatible example (Switchcraft \#11)
- Bridge Tone 500k: Bridge Tone 500k; 500k; compatible example (CTS 500k Audio Pot)
- Bridge ground: Bridge ground wire; generic (Bridge ground wire)
- Neck .047 cap: .047 cap on the neck tone (drawn green); 47nF; compatible example (Orange Drop .047µF)
- Bridge .047 cap: .047 cap on the bridge tone (drawn green); 47nF; compatible example (Orange Drop .047µF)

## Specific to this wiring

- On each pickup, solder the red and white leads together and tape them off.
- Each pickup's black lead goes to the top lug of its own tone pot, and that lug continues to the toggle.
- The neck green and bare end on the neck tone casing; the bridge green and bare end on the bridge tone casing.
- The toggle's frame lug and the bridge ground wire end on the volume casing; the jack sleeve ends on the bridge tone casing.
- The pot casings are linked: neck tone to volume, and neck tone to bridge tone.
- The Solder spots mark the locations for ground (earth) connections.
- The toggle tags are not labelled in the source, so they are mapped by what each does.

## Connections

1. Neck green → Neck tone casing (case, green)
2. Neck bare shield → Neck tone casing (shield, bare): Drawn grey beside the green.
3. Neck .047 cap → Neck tone casing (case)
4. Bridge green → Bridge tone casing (case, green)
5. Bridge bare shield → Bridge tone casing (shield, bare): Drawn grey beside the green.
6. Bridge .047 cap → Bridge tone casing (case)
7. Volume right lug → Volume casing (case): Lug bent onto the casing.
8. Toggle frame lug → Volume casing (case, black)
9. Neck tone casing → Volume casing (case, black)
10. Neck tone casing → Bridge tone casing (case, black)
11. Bridge ground wire → Volume casing (shield, black)
12. Bridge tone casing → Jack sleeve (wire, black)
13. Neck tone top lug → Toggle neck lug (wire, black)
14. Bridge tone top lug → Toggle bridge lug (wire, black)
15. Toggle middle lug → Volume left lug (input) (wire, black)
16. Neck red → Neck white (insulated, red): Soldered together and taped off.
17. Neck black → Neck tone top lug (wire, black)
18. Bridge red → Bridge white (insulated, red): Soldered together and taped off.
19. Bridge black → Bridge tone top lug (wire, black)
20. Neck tone middle lug → Neck .047 cap (wire)
21. Bridge tone middle lug → Bridge .047 cap (wire)
22. Volume middle lug → Jack tip (wire, black)

## What each position does

- Rhythm (neck): Neck Pickup (both coils). Source: Neck pickup through the neck tone.
- Both: Neck Pickup (both coils) and Bridge Pickup (both coils) in parallel. Source: Neck and bridge together, each through its own tone.
- Treble (bridge): Bridge Pickup (both coils). Source: Bridge pickup through the bridge tone.

- Hum cancelling and phase describe the generic pickup models, not a measurement of any specific Seymour Duncan model.
- Pickup resistance is not specified, so no numeric meter readings are given.
- The simulator's position summary names one tone control only; each tone sits on its own pickup's lead ahead of the toggle, so in the middle position both tones act on the combined signal.

## Check before plugging in

- In each toggle position, the meter across the jack should read the selected pickup, or both in parallel in the middle.
- Each taped red–white joint should read open to ground.

## Source

Tinkercaster's own drawing of the Seymour Duncan diagram 2H\_3G\_1V\_2T.rev2\_, revision 1. Not the manufacturer's artwork and not endorsed by Seymour Duncan.

See also [all wiring diagrams](<https://guitarwiring.app/wiring-diagrams/index.md>).