When I look at Ford parts there appears to be a different wiring harness for vehicles with and without the automated parking system.
It looks like you would need a harness for the front sensors that plugs into each sensors and into connector C144 ( 6 wires) that looks to be part of the factory wiring harness on the lower left front end. .These 6 wires then run to a connector C238 near the BCM under the right dash which then run to the Parking Aid Module connector C1014B in the rear of the car. It also appears that 4 wires from PAM run in a factory wiring harness to the IPC switch assembly.
So, unless you happen to have the correct factory wiring harness for automated parking, I wouldn't want to tackle this.