WARNING: This page is about a different car, the 2012 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Audio System Navigation Circuit Diagram - Navigation
Courtesy of FORD MOTOR CO.
Fig 1: Audio System Navigation Circuit Diagram - Navigation (1 Of 3)
Courtesy of FORD MOTOR CO.
Fig 2: Audio System Navigation Circuit Diagram - Navigation (2 Of 3)
Courtesy of FORD MOTOR CO.
Fig 3: Audio System Navigation Circuit Diagram - Navigation (3 Of 3)