you need a ford wiring harness thats specific to ford cars, it should be 2 rectangular plugs one black and one grey. Match the wires that come from your new HU, Use butt connectors or solder the wires together. And then your good to go.
ZETEC Crew #26 SR #20 YELLOW BLAZE OWNERS GROUP#4
Moderator Pilot, 12 SE HB ╠╬╝, 2011 Ford Edge SEL AWD