Seymour Duncan wiring

Two single coils and a bridge humbucker, 5-way blade with auto-split, volume and two tones

Single coil · Single coil · Humbucker · 5-way blade (auto-split) · One volume · Two tones

Seymour Duncan sheet: single coils in the neck and middle and a humbucker in the bridge, on a 5-way blade whose second row grounds the humbucker's red and white in position 2 so the bridge splits when paired with the middle. One volume, a neck tone and a middle tone that share one .047 cap. The sheet prints no pot values.

Two single coils and a bridge humbucker, 5-way blade with auto-split, volume and two tonesTwo single coils and a bridge humbucker, 5-way blade with auto-split, volume and two tones: Single coil · Single coil · Humbucker · 5-way blade (auto-split) · One volume · Two tones. Original Tinkercaster drawing with labelled terminals.Neck single coilNeck single coilMiddle single coilMiddle single coilBridge humbuckerBridge humbucker5-way bladeVolume (value not printed) · 250k250kNeck tone (value not printed) · 250k250kMiddle tone (value not printed) · 250k250k.047 cap · 47nF47nFOutput jackBridge groundwhiteblackwhiteblackblackgreenwhiteredbareT1T2T3T4T5T6T7T8lug1lug2lug3lug1lug2lug3lug1lug2lug3abtipsleeveground

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
Neck single coil—Single-coil pickup (two-conductor)Generic
Middle single coil—Single-coil pickup (two-conductor)Generic
Bridge humbucker—Humbucker (four-conductor, Seymour Duncan colours)Generic
5-way bladeSource: 5 way blade—Oak Grigsby 5-WayExample part
Volume (value not printed)Source: Volume (no value printed)250kCTS 250k Audio PotExample part
Neck tone (value not printed)Source: Upper tone (neck, no value printed)250kCTS 250k Audio PotExample part
Middle tone (value not printed)Source: Lower tone (middle, no value printed)250kCTS 250k Audio PotExample part
.047 capSource: .047 cap (drawn green)47nFOrange Drop .047µFExample part
Output jackSource: Output Jack—Switchcraft #11Example part
Bridge ground—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

  • Title: 2 SINGLE COILS | 1 HUMBUCKER | 1 VOLUME | 2 TONE | 5 WAY BLADE Auto-Split.
  • The blade is drawn at an angle. On its upper row the four lugs carry, from the top: the humbucker black, the middle white, the neck white, and a white that loops under the blade to the volume (the row's common).
  • On the other row the humbucker's red and white go together to the second lug from the top; the lug below it has a black to the upper tone's Solder spot; the top and bottom lugs are drawn empty.
  • The neck and middle whites each loop over the top of the blade before landing on their lugs; the neck white curls once and the middle-tone wire passes under that curl without joining it.
  • The humbucker's green and bare, and the neck and middle blacks, go to the volume's Solder spot, which also takes the wire to the jack sleeve and a wire to the upper tone's Solder spot.
  • The volume's third lug is bent onto the casing under the Solder spot.
  • Upper (neck) tone: a white from the blade's neck lug goes to its middle lug; the lug next to the lower tone carries the .047 cap to its Solder spot and a short white to the lower tone's middle lug; its remaining lug is drawn with an empty eyelet.
  • Lower (middle) tone: a white from the blade's middle-pickup lug goes to the lug nearest the upper tone; its middle lug takes the short white from the upper tone's cap lug, so both tones share the one cap; its remaining lug is drawn with an empty eyelet. Its Solder spot takes the Bridge ground wire and a wire from the upper tone's Solder spot.
  • The source does not number the blade's lugs or positions; the lugs are mapped by what they do. The second row is read from its common, the lug diagonally opposite the first row's common (see the terminal mapping).
  • Legend: Solder = location for ground (earth) connections. Jack: Tip (hot output); Sleeve (ground). The inner, circular portion of the jack.
  • The only value printed is '.047 cap'; no pot values are printed.

Connections

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

#FromToHow
1Neck blackVolume casingTo a pot casingblack
2Middle blackVolume casingTo a pot casingblack
3Humbucker greenVolume casingTo a pot casinggreen
4Humbucker bareVolume casingShield or groundbare
5Blade lower row, third lugUpper tone casingTo a pot casingblack
6Volume third lugVolume casingLug bent onto the casing.To a pot casing
7Volume casingJack sleeveHops the tip wire.Wireblack
8Volume casingUpper tone casingTo a pot casingblack
9.047 capUpper tone casingTo a pot casing
10Upper tone casingLower tone casingTo a pot casingblack
11Bridge groundLower tone casingWireblack
12Neck whiteBlade upper row, third lugLoops over the blade with one curl.Wirewhite
13Middle whiteBlade upper row, second lugLoops over the blade.Wirewhite
14Humbucker blackBlade upper row, top lugWireblack
15Humbucker redBlade lower row, second lugWirered
16Humbucker whiteBlade lower row, second lugRuns alongside the red.Wirewhite
17Blade upper row, bottom lugVolume first lugLoops under the blade.Wirewhite
18Blade upper row, third lugUpper tone middle lugRuns round the left of the blade.Wirewhite
19Blade upper row, second lugLower tone lug nearest the upper tonePasses under the neck white's curl and down the far left.Wirewhite
20Volume middle lugJack tipWirewhite
21Upper tone cap lug.047 capWire
22Upper tone cap lugLower tone middle lugShort link: both tones share the one cap.Wirewhite

What each position does

SettingThe sourceEngine result
Position 1: bridge humbuckerHumbucker black on the upper row's top lug; the floating second common touches only the red & white lug, so nothing is grounded.Bridge humbucker (both coils).
Position 2: bridge split + middleAuto-split: the second row's wiper bridges the red & white lug to the grounded lug.Middle single coil and Bridge humbucker (split to one coil) in parallel.
Position 3: middle—Middle single coil.
Position 4: middle + neck—Neck single coil and Middle single coil in parallel.
Position 5: neck—Neck single coil.

Not simulated: this circuit is drawn for reference only.

  • The sheet prints no pot values; 250k stand-ins are used.
  • The blade's lugs are unlabelled and mapped by function. The second row is read from its common, the empty lug diagonally opposite the first row's common: T8, then T7 (positions 1-2), T5 (2-4), T6 (4-5).
  • The second pole's common is drawn empty: it floats and only bridges its own throws, so in position 2 it joins the humbucker's red & white to the grounded lug.
  • Both tones share the one .047 cap: the lower tone's middle lug is wired to the upper tone's cap lug. The engine names only the upper (neck) tone in positions 4 and 5 and does not model the middle tone's route through the shared cap.
  • Each tone is wired between its signal lug and the cap lug, so it works as a variable resistor in series with the cap; it is modelled as drawn.
  • 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.

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

  • Position 1: tip to sleeve reads the full bridge humbucker.
  • Position 2: the humbucker's red & white read ground, and the reading drops to one bridge coil in parallel with the middle.
  • Positions 3 to 5: the bridge humbucker is out of circuit.
  • With the volume at zero, tip and sleeve read as a short in every position.

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.