Low Voltage System Controller for a Truck

A truck cap assembly that selectively covers a truck bed of a truck is provided. The truck cap assembly may include a cap that sets on opposing side walls of the truck; a cap door located on the cap; a latch bar located on the cap; a controller located on the cap door; and a latch release assembly which includes an actuator and a latch arm. The controller is in electrical communication with an actuator that is coupled to a latch arm. A signal from the controller activates the actuator to move the latch arm. The latch arm is releasable from the latch bar to release the cap door.