check gauges light comes on and alternator stops working

Asked by Nov 23, 2013 at 02:39 PM about the Dodge Ram 2500

Question type: Maintenance & Repair

replaced alternator and cleaned the connections.  It works for about 1 or 2 miles then the check gauges light comes on and the alternator stops working

1 Answer

78,155

As you didn't state what year you have, so I am going to assume that you have a late enough model that the computer controls the alternator, so you will need a scan tool that can "live data" so you can see the alternator output and ECM inputs.

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