Alternator question

Asked by CONSTRUCK Jan 12, 2017 at 05:21 PM about the 2002 Dodge RAM 3500 SLT Quad Cab LB 4WD

Question type: Maintenance & Repair

I have a 2002 Dodge Ram 3500 with a 5.9 liter Cummins. I have noticed that when I start the truck, that the alt gauge drops to zero but then takes about 10 seconds before it starts moving back up to normal reading. Is the alternator starting to go down?

1 Answer
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lrodri911 answered 7 years ago

It would not be alternator. If alternator was bad it would not charge the battery and car would not start. 2 seconds is normal but 10 is a little long. Try disconnecting battery for a few minutes to see if it will reset

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