start truck and gen light comes on after a minute what causes that?

Asked by May 14, 2017 at 04:44 PM about the Dodge Ram 1500

Question type: Maintenance & Repair

2 Answers

855

Possibly worn brushes in alternator. Would check voltage output of alternator and voltage at battery when truck is running. Good Luck!

1 of 1 people found this helpful.
50,745

Have the alternator tested, also closely inspect the large wire that goes to the alternator.

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