BUSMAN ED

I EVERYONE. I HAVE JUST JOINED YOU GUYS AND GALS AS I HAVE 1997 FORD GALAXY 2.0, MANUAL. I HAVE HAD IT FOR JUST OVER THREE MONTHS NOW AND IT HAS BEEN 100% RELIABLE......UP UNTIL LAST WEEK.....WHEN I CLIMBED IN TURNED THE KEY .......... NOTHING..WOULD NOT EVEN TURN OVER. I CALLED THE RAC..THE GUY TESTED THE BATTERY ( OKAY ) TESTED THE SOLENOID ON THE STARTER MOTOR ( OKAY ) 12 VOLTS GOING IN BUT THE STARTER WOULD NOT ENGAGE..SO I CHANGED THE STARTER MOTOR