Modular top assembly including a wall member for an automotive vehicle having a convertible roof

A modular convertible top assembly is provided for a convertible roof system for an automobile. The convertible roof system is mounted to a bulkhead or wall member (28) including left and right linkage assemblies (20L,20R), an electronic control unit (46), and a hydraulic control system (50). The convertible top module can then be assembled into a vehicle as a modular unit. The electronic control unit (46) can then be connected to the vehicle power supply by connection of wire harnesses from the electronic control unit.