Courtesy Lamps: Notes
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
The courtesy lamp subsystem consists of the door ajar switches (integrated into the door latches), the interior dome lamps, the cargo lamp, the running board lamps, the instrument panel dimmer switch, the SCCM, and the BCM.