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The passive four-conductor humbucker and switch contact pattern in these Seymour Duncan sheets.
What each setting connects
Series sends the signal through both coils in a chain. Parallel connects both coils across the same output and return. Split bypasses one coil. Series and parallel retain the hum-cancelling pair; split does not.
The source describes parallel as a lower-output, single-coil-like option. It still uses two coils. Exact volume and tone depend on the pickup, controls and amplifier.
Wire the six terminals
Read the map from the solder-terminal side in the illustrated orientation. L and R mean left and right; 1 is upper, 2 middle, 3 lower. These are our reference labels, not stamped terminal numbers.
| Terminal | Connection |
|---|---|
| L1 | No external wire |
| L2 | White; jumper to R1 |
| L3 | Green and bare; ground |
| R1 | Jumper from L2 |
| R2 | Red |
| R3 | Black; signal output |
Choose two sounds or three
A DPDT on/on push/pull gives series and parallel. A matching DPDT on/on/on adds split in the middle. An on/off/on cannot substitute for this contact pattern.
The source’s middle state connects left middle to lower and right middle to upper. Other switches can have the opposite centre pattern. Check continuity rather than assuming all six-tab switches behave alike.
Where the output goes
Black goes to the pickup’s individual volume control when it has one, or to the selector when the circuit uses a master volume. Bare remains grounded. This is a modification block, not a complete guitar harness.
Source and interpretation
Original explanation by Tinkercaster, based on these Seymour Duncan sheets: WD_Pushpull_minitoggle_3, WD_Minitoggle_3. The guide describes the stated configuration; it does not establish compatibility with every pickup or switch.
Seymour Duncan’s wiring diagram library ↗
Not affiliated with or endorsed by Seymour Duncan. Refer to your exact component’s instructions when a detail differs.