The ornamental design for an exteriorsurfaceconfiguration of a headlight for a vehicle, as shown and described.
FIG. 1 is a perspective view of an exterior surface configuration of a headlight for a vehicle according to the novel design;
FIG. 2 is left side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a back side view thereof;
FIG. 6 is an alternative perspective view thereof; and,
FIG. 7 is a top view thereof.
The broken lines are for environmental purposes only and form no part of the claimed design. The design shown is not to be limited to any particular size and may be scaled larger or smaller. The drawings and descriptions represent the right side embodiment. The claim is also for a mirror image of a left side embodiment that is not shown.