FWIW: They took out 2 flasher from the production F-14's - Not sure if it's the same 2, but if it is, buying parts won't make it work.
http://www.ipdb.org/search.pl?any=tomcat&searchtype=quick#804
IPDB quote:
"Later playfields in the run had their two flashers disabled and removed because bending targets caused electrical shorts which then damaged the switch matrix."
http://mirror2.ipdb.org/files/804/Williams_1987_F_14_Tomcat_Service_Bulletin_41.pdf