Seymour Duncan wiring

One humbucker with a push/pull series/parallel switch and one tone

One humbucker · Push/pull series/parallel volume · One tone

A single humbucker with a volume whose push/pull switch swaps the two coils between series and parallel. It needs a 500k push/pull pot, a 500k tone pot, a .047 µF capacitor and a mono jack.

One humbucker with a push/pull series/parallel switch and one toneOne humbucker with a push/pull series/parallel switch and one tone: One humbucker · Push/pull series/parallel volume · One tone. Original Tinkercaster drawing with labelled terminals.Bridge pickupBridge pickupVolume 500k push/pull · 500k500kTone 500k · 500k500k.047 cap · 47nF47nFOutput jackBridge ground wireblackgreenwhiteredbarelug1lug2lug3sw1sw2sw3sw4sw5sw6lug1lug2lug3abtipsleeveground

Viewed from the back of the controls, as you solder them. Open the interactive diagram to zoom, move components and try the switches.

Parts and values

In the drawingValuePart
Bridge pickupSource: Bridge Pickup—Humbucker (four-conductor, Seymour Duncan colours)Generic
Volume 500k push/pull500k500k Push-Pull DPDTExample part
Tone 500k500kCTS 500k Audio PotExample part
.047 cap47nFOrange Drop .047µFExample part
Output jackSource: Output Jack—Switchcraft #11Example part
Bridge ground wire—Bridge ground wireGeneric

“Example part” means any part with the same value and lugs will do; the source does not name a brand. “Generic” stands in for an unspecified pickup: check your own pickup's lead colours before you solder.

Specific to this wiring

  • The humbucker's red and white leads are not joined: white goes to the middle lug of the left switch column and red to the middle lug of the right column.
  • A short jumper joins the top lug of the right column to the middle lug of the left column. The top lug of the left column stays empty.
  • Green and bare share the bottom lug of the left column, which is also wired to the volume casing. The pickup black shares the bottom lug of the right column, which is wired to the volume's input lug.
  • The bridge ground wire goes to the volume casing; the jack sleeve goes to the tone casing, which is linked to the volume casing.
  • The source's legend: the grey Solder mark is the location for ground (earth) connections.

Connections

In soldering order: grounds first, then the switch, the pickups and the signal path.

#FromToHow
1Pickup greenPush/pull left bottom lugWiregreen
2Pickup barePush/pull left bottom lugShares the lug with the green lead.Shield or groundbare
3Push/pull left bottom lugVolume casingTo a pot casingblack
4Volume right lugVolume casingLug bent onto the casing.To a pot casing
5.047 capTone casingTo a pot casing
6Volume casingTone casingTo a pot casingblack
7Tone casingJack sleeveWireblack
8Bridge ground wireVolume casingWireblack
9Pickup whitePush/pull left middle lugWirewhite
10Pickup redPush/pull right middle lugWirered
11Pickup blackPush/pull right bottom lugWireblack
12Push/pull right top lugPush/pull left middle lugShort diagonal jumper across the switch.Wireblack
13Push/pull right bottom lugVolume left lug (input)Hops over the middle-lug wire.Wireblack
14Volume middle lugJack tipWireblack
15Volume left lugTone left lugWireblack
16Tone middle lug.047 capWire

What each position does

SettingThe sourceEngine result
Knob pushed down: series (full humbucker)Red reaches white through the jumper; black is hot and green is ground, so the coils are in series.Bridge pickup (both coils).
Knob pulled up: parallelWhite joins green on ground and red joins black on the hot, so the coils are in parallel.Bridge pickup (coils in parallel).

Checked with the Tinkercaster wiring engine against the switching the source describes.

  • Pickup resistance is not specified, so no numeric meter readings are given.
  • The source does not say which knob position is series; this follows the usual push/pull behaviour (pulled joins the middle lugs to the lugs nearest the pot).
  • In the parallel state the engine's series-link check flags the red and white leads as not joined; that is what a series/parallel switch does, and the engine still reads the pickup as parallel.

Before you solder

Ticks are kept in this browser only, as a reminder. They are not a check of your joints. New to soldering? Read the soldering cheat sheet.

Check before plugging in

  • Knob down: tip to sleeve reads the full humbucker's resistance.
  • Knob up: the reading drops to roughly a quarter of the series reading.
  • With the volume at zero, tip and sleeve should read as a short in both knob positions.

Measure across the output jack with a multimeter on its resistance range. No exact readings are given where the source does not specify the pickups.