You can see that a spst toggle switch only has 2 terminals. Wiring a 3 way light switch.

How To Add Turn Signals And Wire Them Up
Wiring a 2 way toggle switch. For wiring i have selected the standard way with a 37v lithium ion battery as the power supply. 3 single coil wiring. Typical stock wiring but the flip of a pushpull or mini toggle switch adds rhythmlead and rhythmmiddlelead combinations. Spdt toggle switch single position dual throw xx. Applies to spot switches non led switches basic 2 wire switches 2 prong. Where 0 represents the off condition and 1 represents the on condition.
So now that you have a basic concept of wiring a 2 way switch lets look at the following 2 way switch diagrams to see which type of circuit scenario you have. Spst toggle switch wiring. This method is commonly used now days as it is efficient than the two wire control system. It makes one of two connections. This wiring uses a 5 way switch includes both humbuckers individually and adds tones using coils from both pickups to create other. How to wire a toggle switch on off switch basic.
The other terminal is for the output. How to connect 2 way switch wiring using three wire control. This is the new method to make a 2 way switching connection as it is slightly different from the two wire control method. A spdt is a bit more sophisticated. 1 terminal is for the input. Here is a diagram of a spdt toggle switch.
The spdt toggle switch can be considered as a two way light switch as it has three terminals and works very similar to the two way light switch. Generally used in 12volt installs for on off switches. Below is the wiring schematic diagram for connecting a spst toggle switch. The following image shows a typical spdt toggle switch with its terminals. This should give you a good basic understanding how the 2 way switch circuit works and will help you in adding or changing a 2 way switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light.
A two way switch or a single pole double throw spdt switch can be used as a selector to switch between two circuits or signal paths in devices ranging from electric guitars to car engines. Terminal 2 is connected to power. We will now go over the wiring diagram of a spst toggle switch. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. Using a common terminal and a selector to reroute the signal of a circuit the two way switch can be found in almost all electrical applications. Terminal 1 is connected to one load or accessory terminal 3 is connected to another load or accessory.