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Hi Im David. I dont understand what you are trying to say, the battery checked poor, meaning what? 0 volts, but the alternator was putting out 14 volts? you drove to work then the battery was reading good? meaning how many volts? going home lights start blinking and the alternator was reading 0?
you need to replace the alternator. either that or the connector for the internal voltage regulator that plugs into the alternator is damaged or the wiring for that connector is damaged. make sure the battery terminals are clean and very tight. alo follow the negative cable from the battery to where it bolts to the engine. make sure its tight.
Different expert here, do you still need help?
Hello again Dan here,
I am contacting you because the post has not been closed or rated.
This question is coming up on 7 days which means it will time out and close.
You have already paid to get this question answered, but you have not rated.
Let me help some more. Is there anything else I can help you with?
If I did not give you 5 star service, please let me know what I missed.