WARNING: This page is about a different car, the 2019 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Auto-Start-Stop System Wiring Diagram (1 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 2: Auto-Start-Stop System Wiring Diagram (2 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 3: Auto-Start-Stop System Wiring Diagram (3 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 4: Auto-Start-Stop System Wiring Diagram (4 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 5: Auto-Start-Stop System Wiring Diagram (5 Of 6)
Courtesy of FORD MOTOR COMPANY
Fig 6: Auto-Start-Stop System Wiring Diagram (6 Of 6)