http://www.1728.org/guitar.htm go down second section (SPDT section) for more complete, but plain English explanation.

I'll not confuse this more

BTW that Amazon switch can be had at Home Depot and Lowes however a possibly BETTER version of that kind of switch, because it has a better [smaller] height profile, can be had at auto parts stores look for Cambridge switches

good luck
Larry


Win10Pro,i9,64GB,2TBSSD+20TBHDDs,1080TI,BIAB'24,Scarlett18i8,Montage7,Fusion 8HD,QS8,Integra7,XV5080,QSR,SC-8850,SPLAT,FL21&others,Komp.14,IK suite&others, just a guitar player-AXE FX III &FM9T, FishmanTP, MIDIGuitar2, GK2/3'sw/GI20