My 1994 ed xr8 was fitted with cruise control from the factory.
It's on the steering column
Most likely it is the Ignition Control Module.
bolt pattern for a 1994 ford thunderbird
There should be a fuse box under the steering column with a diagram printed on the cover.
A 1994 Ford Thunderbird is ( OBD I )
For a 1994 Ford Thunderbird : ( DOT 3 brake fluid , meeting Ford specification ESA-M6C25-A )
What's the question? how t cdisconnect cruise control on 2000 ford focus