Why would you have to keep replacing the alternator of a 1995 G20 Infinity every few weeks if checked all fuses and relays?

The alternator of a 1995 G20 Infinity should not need to be replaced every few weeks if all the fuses and relays have been checked. If you are experiencing this issue, it is likely due to another problem, such as a faulty voltage regulator or a short circuit in the electrical system. You should have the vehicle inspected by a qualified mechanic to diagnose and repair the problem.