The ornamental design for an exteriorsurfaceconfiguration of a rear light, as shown and described.
FIG. 1 is a front view of an exterior surface configuration of a rear light
according to our novel design;
FIG. 2 is a right side view of an exterior surface configuration of a rear
light according to our novel design;
FIG. 3 is a top view of an exterior surface configuration of a rear light
according to our novel design; and,
FIG. 4 is a perspective view from the front right of an exterior surface
configuration of a rear light according to our novel design.
The drawings and descriptions represent the left side embodiment of a
vehicle headlight. The design also contemplates a mirror symmetrical
embodiment on the right side of the vehicle. The dash line included
denotes environment and is not part of the claimed design.