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After charging and driving about 30 miles, car to indy mech. Battery passes all tests, as does alternator. Started today with no problems after letting it sit for two days.
While starting to disconnect the battery to attach the charger, I noticed that the positive connector was just loose enough to rotate on the post with a bit of finger pressure. No real corrosion, but I used the terminal& connector brush all the way round before reconnecting after charging, & tightened well when replacing the batt. Intermittant "check engine" light hasn't been seen since, either.
QUAERE: What are the chances that just a bit of looseness in the positive terminal was sufficient to cause intermittent failure to charge, and that that was what the "check engine" light was trying to tell me?
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