Wiktionary
came on
vb. (en-simple pastcome on)
Usage examples of "came on".
The lights in the compartment all came on, and the droids were abruptly activated.
The battle droids reeled and slowed, then regained momentum and came on, hundreds more taking the place of those who had fallen, marching mindlessly through the protective shield and into the range of the Gungan weapons.
The eye could not resolve the wealth of detail, the turning shapesnew spotlights came on, sending new patterns of shadow across the artifact.
Kirk spoke into his microphone"Now, Sulu" and suddenly, the exterior lights of the Enterprise came on revealing the great ship in all its proudest glory.