I don't have my amplifier in my car anymore as well as my rear battery, and took out all system fuses. I haven't used my car in several months and the other night we had to jump it (main batt is optima yellow top). My car would just make these loud clicking noises. After we jumped it (now, 3 days later) my car starts but has a very low odd tone from the engine, a low pitched wine. I have an Iraggi Amputator series alternator 220 amps max, 200 idle, and my voltage now stays at Low, when it used to be beyond the High mark. Is my alternator dead, is my battery dead? Could it be both? Thanks.
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