The ornamental design for a combinedheadlight and shock mount, as shown and described.
FIG. 1 is a perspective view of a vehicle left side combined headlight and shock mount, a right side combined headlight and shock mount being a mirror image thereof;
FIG. 2 is a front view;
FIG. 3 is a rear view;
FIG. 4 is a left side view;
FIG. 5 is a right side view;
FIG. 6 is a top view; and,
FIG. 7 is a bottom side view.
In the drawings, the broken lines in areas of FIGS. 1 and 6 depict environmental subject matter that forms no part of the claimed design.