The 1994 5.0L ford Mustang and 3.8L Ford Mustang used the OBD-II connector under the drivers dash. These were the first OBD-II Ford cars. They are NOT OBD-I.
The OBD plug is a sixteen pin connector under the dash on the driver side.
The data link connector is located under dash panel, center
Yes, there is an OBD-I connector on a 1993 Ford Taurus. The connector is under the hood on the passenger's side towards the firewall. It likely will have a cover on the plug labeled EEC TEST unless the cover has fallen off or been removed for some reason. The plug actually has two parts, a larger six (6) prong connector and a smaller single (1) prong connector. You will need a code computer able to read the older OBD-I codes, and a compatible connector. An OBD-I system is less useful and generally provides less information than the OBD-II systems on '97 and later model cars.
The OBD-II connector on the 2006 Ford Explorer is located above and in front of the parking brake release, behind the dash trim.
The Ford F450 OBD connector can be found on the top of the engine. The ODB connector will be near the air intake housing.
Under the passenger seat, facing forward. Its a pre OBD connector.
There is no OBD plug as found on OBD2 compliant vehicles. But there is a plug under the hood. Click the links.
The OBD-I plug on a 1995 Ford Aspire is typically located under the dashboard on the driver's side. You can find it near the steering column, usually above the brake pedal. It's usually covered by a plastic panel, so you might need to remove that to access the connector.
The 2001 Ford Escape OBd 2 port is on lower edge of dash, right of hood release
Drivers side, under the steering wheel, under the dash. It has no cover.
The OBD connector is located slightly underneath the dashboard on the passenger side of the car, right next to the center console. It is black in color and is the same shape as your OBD reader "plug".