The topstack control switch is part of the header latch handle assembly . The header latch handle assembly is located in the center of the windshield header. Two front header latch receivers secure the folding top when the top is in the raised position. These receivers are located at the outer corners of the windshield header. The latch receiver link rod pins engage when the latch handle assembly rotates up.

The topstack drive motors mount to the main pivot bracket assembly. The motors mount at the base of the rear rails. The motors drive the topstack assembly through gears.