Actually , the 1994 Ford Crown Victoria is OBD I ( EEC IV ) so there will be an EEC TEST connection in the engine compartment
On a 2009 Ford Crown Victoria : In the fuse panel under the drivers side of the dash : ( check the # 16 / 20 amp fuse ) *** in the 2009 Ford Crown Victoria Owner Guide it shows the # 16 , 20 amp fuse for the OBD II , but the 2008 Ford Crown Victoria Owner Guide shows # 16 / 20 amp fuse for the cigar lighter and OBD II
On a 2008 Ford Crown Victoria : In the fuse panel below and to the left of the steering wheel , by the brake pedal : ( fuse # 16 is a 20 amp fuse for the cigarette lighter and OBD II )
The OBD ll syetem was not approved until 1996, so doubt if any '93 car had a connector for it.
According to the 2005 Ford Crown Victoria Owner Guide : In the fuse panel below the dash , on the drivers side : ( # 27 is a 20 amp fuse for the cigarette lighter , OBD II , and power point )
The 1997 Ford F-250 OBD 2 port is under passenger side dash below glove box
Obd ii
The 1997 Ford F-350 OBD 2 port is under passenger side dash below glove box
The 1997 Ford F-250 OBD 2 port is under passenger side dash below glove box
The paper clip trick was a OBD I GM thing. For your 97 Ford you need a code reader for OBD II.
You got to use a OBD 2 code reader or scanner
Ford did not produce any thunderbirds in 1998. 1997 was the last year till 2001