Go to car-parts.com and search under engine control computer, then multifunction. You want to list the 96 in order, so that all 96's are listed first. They have the same problem that ford does. It lists the 94 part number as being applicable to 94 thru 96. This is wrong. ONly look at parts that are listed under 96. Also, email the people and ask for a picture of the box. It should have a white and purple sticker on the back.
Just an fyi, the 96 box is called a VLCM. Variable Load Control Module. Due to the introduction of the EEC V, ford removed all of the A/C control functions from the VCRM and relocated it to the main PCM. Thats why its called a VLCM.