WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Remote Keyless Entry And Alarm Circuit Diagram - Super Cab (1 Of 2)
Courtesy of FORD MOTOR CO.
Fig 2: Remote Keyless Entry And Alarm Circuit Diagram - Super Cab (2 Of 2)