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, with the lens;
FIG. 4 is a front elevational view thereof, with the lens removed;
FIG. 5 is a front elevational view thereof, with the lens;
FIG. 6 is a front elevational view of the lens thereof, shown separately for clarity of illustration;
FIG. 7 is a rear elevational view thereof;
FIG. 8 is a right elevational view thereof; and,
FIG. 9 is a bottom plan 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.