Question about 2006 Dodge Ram 3500 Truck

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I have a 06 dodge 2500 5.9L my voltmeter inside my truck reads about 9 to 10 volts when I first start my truck in the morning and my check gages light comes on. After turning my truck off for about 5 minutes the light goes out and the meter reads 14 volts. What may be the problem?

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It sounds like your alternator is not kicking in when the truck first starts. There is a wire that "tickles" the alternator to get it charging when you first start the truck, however it will start charging without that once you rev the engine up. A couple of good shots with the fuel pedal should snap the guage up to 14. If it climbs up slowly to 14 then the alternator is starting to wear out or you have poor contact.Get the alternator tested for output. If it's okay take the wires off the alternator and battery and clean up the ends so you have bare shiny metal and clamp them back down tight. Make sure you have radio codes and procedures before you unhook the battery. Hope this helps.

Posted on Sep 04, 2010


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