Dreams dictionary: Switch
Dreams dictionary: Interpretation 1
To see a switch in your dream represents the status of a situation or relationship in your life, depending on whether the switch is on or off. The dream may also be a pun on something that has been "switched", changed or exchanged.
Dreams dictionary: Interpretation 2
In particular, to dream that a light switch is broken or that you cannot find the switch indicates a lack of insight and perspective on a situation.
Dreams dictionary: Miller Dream Interpretation
To dream of a switch, foretells changes and misfortune. A broken switch, foretells disgrace and trouble. To dream of a railroad switch, denotes that travel will cause you much loss and inconvenience. To dream of a switch, signifies you will meet discouragements in momentous affairs.