A single motor gearbox assembly (100) including a shift motor (104) operatively connected to a shift worm (106), a worm gear (108), a drive selection arm (110), and a drive motor (116) operatively connected to a plurality of output gears (112a-112c) to selectively control multiple seat assembly functions. The single motor gearbox assembly (100) further includes a plurality of micro-switches (114a-114c) configured to activate/deactivate the shift motor (104) and the drive motor (116).