2006 Expedition, first indication of trouble, panel started going wonky, speedo, tach and guages went to zero, then all went dark, a few miles later the engine died at a traffic light. Never saw the battery warning light prior to this. Swapped battery and got it home. Pulled the alternator, checked okay at the parts store. Charged the battery. Next day, short trips through the day, started noticing slightly lower needle on the guage, slightly slower cranking (no battery light). Got home, battery drained, just clicks. Recharged and had it checked, okay. Advice appreciated
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