Question about 2004 Dodge Ram

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Charging system My charge light has been coming on followed by a decrease in speed and eventually dying out. Had the alternator removed and checked and it is fine. Was told that i may need to change the voltage regulator. Dealer says it is now part of the $712.00 PCM.  Is that the only way to fix this thing?

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You can also try to instal a external regulator, from the 70,s or 80's but that will be like a good mikey mouse job,
if you can't affort to pay that money now, the only way is visiting auto electrical shops and ask for an external regulator, if they don't want to do it i will tell you how to do it, but if you want it original then have the computer replaced, but before replacing teh computer make sure you are getting igniton power to alternator at one of the small thing wires,
i will aprecviate your ranking and good luck

Posted on Jun 23, 2008

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Battery warning light is on, on dashboard panel.

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Why would the battery light come on but be really dim? it comes on when the rpm's go up

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Take car to an auto parts store for alternator check. Many stores will perform this test for free.

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Sounds to me like your alternator is still defective. You don't need a good battery to run a car. Start car and remove ( not allow it to touch any metal), negative battery cable. If car dies it is the alternator. If it runs then the battery is bad. Hope this helps.

If I have helped you resolve your problem, please
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