Replaced battery and alternator in my 2004 sonata, and now it has died again? on 2004 Hyundai Sonata

The battery light came on and the radio went off and the lights dimmed. What could be wrong?

by in Phoenix, AZ on July 23, 2013
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1 answer
ANSWER by , July 23, 2013
Check your battery and alternator again. Battery voltage should be 13.5-14 volts engine running.