WARNING: This page is about a different car, the 2011 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Audio System And Navigation Circuit Diagram - Premium (1 Of 3)
Courtesy of FORD MOTOR CO.
Fig 2: Audio System And Navigation Circuit Diagram - Premium (2 Of 3)
Courtesy of FORD MOTOR CO.
Fig 3: Audio System And Navigation Circuit Diagram - Premium (3 Of 3)