1981-1985 Ford, Mercury, Lincoln.      NEW-OLD-STOCK ACCESSORY 'THEFT GUARD' COMPUTERIZED ANTI-THEFT SYSTEM.  This is an ORIGINAL FORD NOS PART.   Brand New in the box. Ready To Install.  An Impossible To Find NOS Period Accessory.    Please email with questions.                051724-15            WE HAVE AN EBAY STORE WITH THOUSANDS OF ORIGINAL and NOS FORD PARTS. CHECK IT OUT.