2004 exterra wont spin over, new battery and altenator

CHECK CONECTIONS ON THE STARTER MAKE SURE YOU HAVE 12 VOLTS AT THE BIG TERMINAL AND POWER TO THE SMALL TERMINAL WHEN YOU TURN THE KEY TO CRANK IF NO POWER AT THE SMALL TERM AT CRANK ITS NOT THE STARTER IF YOU JUMP THE SMALL TERMINAL AND THE BIG TERM IT SHOULD START IF NO ITS THE STARTER

YOU COULD HAVE LOOSE CORRODED BAD BATTERY CABLES. FAULTY STARTER. BLOWN STARTER FUSE. REMOVE STARTER BENCH TEST.CODE SCAN FOR THEFT SECURITY FAULT CODE OR YOU HAVE BAD CLUTCH SAFETY SWITCH OR CODE SCAN FAULT CODE FOR TRANSMISSION PARK NEUTRAL POSITION SWITCH OR TRANSMISSION RANGE SENSOR.