WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. 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 2: Audio System Navigation Circuit Diagram (Navigation)
Courtesy of FORD MOTOR CO.
Fig 3: Audio System Navigation Circuit Diagram (Navigation)