I know the looms of mondeos work on all engines (zetec petrol)
and a 1994 ECU should be fine no PATS in those

If you have one of these CODEs on the ECU, you are able to use it, as they don't have PATS

Mondeo 2 litre 16 Valve
93 on
Ford EECIV
93BB12A650ED
XEF3BBED
DESK

Mondeo 2 litre 16 Valve
93 on
Ford EECIV
93BB12A650EE
7069619
XEF3BBEE
DEWY

Mondeo 2 litre 16 Valve
93 on
Ford EECIV
93BB12A650EF
7145619
XEF3BBEF
DEEP

Mondeo 2 litre 16 Valve Auto
93 on
Ford EECIV
93BB12A650GC
XEF3BBGC
EDAM

Mondeo 2 litre 16 Valve Auto
93 on
Ford EECIV
93BB12A650GD
5059660
XEF3BBGD
EARS

Mondeo 2 litre 16 Valve
94 on
Ford EECIV
93BB12A650EG
1014287
XEF3BBEG