The ornamental design for an topportion of a housing for a motorvehiclenavigationaldevice.
FIG. 1 is a front and upper left perspective view of the top portion of a
housing for a motor vehicle navigational device showing our new design.
The broken line showing of the manual pushbuttons corresponding openings
in the housing, minor styling bumps/projections and the bottom portion of
the housing throughout the drawings is included for the purpose of
illustrating environmental structure only and forms no part of the claimed
design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear side elevational view thereof; and,