WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Remote Keyless Entry And Alarm (With IA) - Wiring Diagram (1 Of 5)
Courtesy of FORD MOTOR CO.
Fig 2: Remote Keyless Entry And Alarm (With IA) - Wiring Diagram (2 Of 5)
Courtesy of FORD MOTOR CO.
Fig 3: Remote Keyless Entry And Alarm (With IA) - Wiring Diagram (3 Of 5)
Courtesy of FORD MOTOR CO.
Fig 4: Remote Keyless Entry And Alarm (With IA) - Wiring Diagram (4 Of 5)
Courtesy of FORD MOTOR CO.
Fig 5: Remote Keyless Entry And Alarm (With IA) - Wiring Diagram (5 Of 5)