WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Module Communication Network - Wiring Diagram (Convertible; 1 Of 2)
Courtesy of FORD MOTOR CO.
Fig 2: Module Communication Network - Wiring Diagram (Convertible; 2 Of 2)