Career mode uses a different validation system. To use classic kits in Career offline:
This method requires you to have played the game at least once to create a profile. how+to+unlock+classic+kits+in+fifa+14+pc+offline+full
He searched the table teamkits . Most kits were listed as IsClassic = 0 . He changed that to 1 for every kit ID between 1000 and 1300. That included the legendary Ajax 1995, the Manchester United 1999 treble kit, and the Argentina 1986 home. Career mode uses a different validation system