Ford Sync 3 Wiring Diagram. Ford transit 2020 sync 3 diagram gabrieltransit2020 jan 18, 2020 forum car audio help 101 wiring, electrical & installation help g gabrieltransit2020 caraudio.com newbie. It's designed as a universal plug and play harness for sync 1 to sync 2 and 3 upgrades however i still need to document the media […]