When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
You would have to know the original code to put a new one in.
-Or have your dealership (provided that its a Ford dealer) scan and give it to you for $.
Then there is removing the backseat (provided that its a Scab or S-crew) and looking on the back wall for the KEM-the code should be on a label on this KEM (Keyless Entry Module).
the dealership should be able to look it up for you if you push them.
I just gone done today taking my back seat apart to figure out what my code was. Then I had to take apart the door cuz the wiring harness was not hooked up. Funstuff.