The ornamental design for a trucklamp, as shown and described.
FIG. 1 is an exploded perspective view of a truck lamp, showing my new design.
FIG. 2 is a perspective view thereof, with the lens removed;
FIG. 3 is a perspective view thereof;
FIG. 4 is a front elevational view thereof; with the lens removed; and,
FIG. 5 is a front elevational view thereof.
The even-broken line in the figure drawing views represents unclaimed environment structure of the truck lamp only and forms no part of the claimed design.