9. An electronic sign comprising:a sign structure; and
one or more display enclosure assemblies mounted to the sign structure, wherein the sign structure and the one or more display enclosure assemblies enclose a sign interior space and separate the sign interior space from a sign exterior;
each of the one or more display enclosure assemblies comprising:
a cabinet located at least partially in the sign interior space, the cabinet enclosing a cabinet interior space, and wherein the cabinet comprises a front cabinet wall and a rear cabinet wall;
one or more display modules at least partially enclosed within the cabinet interior space, wherein each of the one or more display modules comprises a front face, wherein the one or more front faces of the one or more display modules cooperate to form an electronic display along the front cabinet wall;
one or more fans mounted at the rear cabinet wall, each of the one or more fans comprising a fan intake facing rearward into the sign interior space and a fan exhaust facing into the cabinet interior space;
a vent comprising a plenum extending through the cabinet between the sign exterior in front of the cabinet to the sign interior space behind the rear cabinet wall, the vent providing a first pathway for cooling air to pass from the sign exterior, through the plenum, and into the sign interior space behind the rear cabinet wall so that the cooling air is available to be drawn into the cabinet interior space by the one or more fans; and
an exhaust providing a second pathway for warmed air to pass from the cabinet interior space to the sign exterior.