WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Vehicle Emergency Messaging System Wiring Diagram (1 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 2: Vehicle Emergency Messaging System Wiring Diagram (2 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 3: Vehicle Emergency Messaging System Wiring Diagram (3 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 4: Vehicle Emergency Messaging System Wiring Diagram (4 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 5: Vehicle Emergency Messaging System Wiring Diagram (5 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 6: Vehicle Emergency Messaging System Wiring Diagram (6 Of 6)