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The six-terminal, two-position contact arrangement in the Seymour Duncan two-way switch reference. Three-position switches require a separate contact map.
Two independent columns
Each column has a middle common terminal and two possible contacts. In one state, the middle connects to the upper terminal in that column. In the other, it connects to the lower terminal. The switch itself does not join the two columns.
The contact illustration below uses the source’s drawing orientation. It is a contact map, not a claim that every toggle lever points toward its connected terminals.
Read contacts, not knob direction
Check whether you are looking at the solder terminals or the front of the control. Use a multimeter in continuity mode (the setting that beeps when its probes are connected) to find which pair connects in each position before copying the wiring.
On/on and on/on/on are different
A two-position push/pull cannot supply a third switching state. Do not substitute it for a three-position series/split/parallel control and expect all three results. On/on/on switches also need their exact center-position contact map.
A quick bench check
- Disconnect the switch from the circuit for an unambiguous continuity check.
- Identify the middle terminal in each column; this is called the common.
- Record the connected pair in both positions.
- Match that map to the diagram, then add only the jumpers the circuit specifies.
Source and interpretation
Original explanation by Tinkercaster, based on these Seymour Duncan sheets: WD_Pushpull_minitoggle_2. 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.