I have a 2013 Chevy Impala, the headlights and dash lights will flicker like there is a bad alternator when I turn the car on and intermittently (especially after turning the car on in the morning after sitting overnight). The battery charging station code came up, basic Auto Zone test showed a good alternator, but a low battery charge. I switched out the battery, the code has gone away, but the headlights and dash lights still flicker. Any ideas on what to check to fix the issue?
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Most of this type of problem was in older Impalas (forum links are from 2006) so it may not be the same problem.
I also believe it is an electrical short and you may need a specialist to check it out. It may not be a dangerous thing but you will only know for sure when it is checked out.
I would suggest you take it to a dealer even though it may be an expensive service charge.
You sure do not want your lights to flicker out one night when you are on the road so be safe and have it checked.
You have a short somewhere in the electrical system. The car may need servicing if you cannot find it yourself
It looks like it's a common issue with the Chevy Impala line and many experience this too. This is a safety hazard, though I read on some forums GM won't do anything about it.
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