Rear wiper hatch cassette using interlocking parts

The invention relates to housings having interlocking mechanical and electrical couplings for attaching to one another to eliminate the need for external wiring harnesses, and more particularly, to a rear hatch assembly for a vehicle having multiple components joined in an interlocking relationship relative to each other, providing mechanical and electrical connection between the components without requiring an external wiring harness extending between the components. A hatch assembly for a vehicle wherein the components to be installed within the tailgate or the hatch are interconnected. The components can include one or more of a wiper drive motor, a cargo light, a center high mounted stop light, a fluid sprayer, a latch, and the vehicle hatch. The assembly can include corresponding shaped features on respective components so that the components can be interconnected without the use of additional fasteners. Electrical connections are also made between the components of the assembly. The electrical connections are embedded within the walls of the components, the cover, and/or the shaped features that provide the mechanical connections between the enclosures.