why does my charging system failure light come on


Asked by Sep 28, 2015 at 06:34 PM about the 2005 Pontiac Grand Prix Base

Question type: Maintenance & Repair

Here are details.  the battery is good as well as the alternator.   whenever I start the car it dies out and the light "charging system Failure" comes on.  I will try to start it again and it starts.  if I give gas on the first time it might start but I know that is not how it is suppose to work.  When this happens it also resets the sequence of the display beginning with the date.  I always have the mileage on there.  can any one help?

3 Answers

Tom Demyan

How do you know the alternator is good?

4 out of 4 people think this is helpful.

I had it check at advance auto

1 out of 1 people think this is helpful.

The alternator may be getting tired. Does it only happen when the car is cold? Like from sitting overnight. If so, I'd suspect that the alternator is failing. HTH. -Jim

1 out of 1 people think this is helpful.

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