Meyers Plow Switch Wiring Diagram – The difference from a standard switch plus a a few way switch is certainly one more terminal,or relationship. A 3 way switch has 2 terminals that are possibly sterling silver or brass colored and another terminal that is darkish colored. The silver or brass terminals are known as travellers or messengers along with the darker shaded terminal is called the most popular. If all 3 terminals appear related in color, the typical terminal is going to be identified by the saying “frequent” stamped on the back of the switch.