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To begin with, I should tell you checking the alternator by disconnecting the cable can fry the alternator and the engine computer. Unlike a generator, the alternator must have the battery in circuit to function.
If you check the output with a meter and find the alternator is not charging the battery, check to see if the alternator is getting power from the key switch and that the batt light is staying on when the engine is running.
The 60amp fuse probably is in the circuit between the alternator and the battery. Which would be why the battery is not getting charged. Someone would need to check for a short in the wiring between the alternator and the battery.
Since you are having a new battery and alternator the charging circuit of the electronic charging unit is a possible suspect.
All what is required is to check the charging voltage when the engine is started, if there is no increment of voltage when the engine runs the alternator then the connection from the alternator must be checked. Check the output from alternator, check the relay box which contains the charging unit. It can be a failure of the rectification or the stabilising circuit, the unit must be replaced.
The instructions for installing a new alternator usually read to fully charge the battery (12.3 - 12.8 volt range). Otherwise, the alternator will be damaged when it initializes. I have seen some extreme damage result from installing a new alternator with a low-charge battery. The torque required to turn an alternator when damaged in this scenario is unbelieveable!
its not charging, check the belt that drives your alternator, your fuses, check for some loose connections at the back of alternator, if the light stays on while the engine is running, replace your alternator. good luck!