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2003 Ram 2500 Cummins High Voltage from Alternator
3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Don't bother going to the dealer, it's the PCM that's that problem. Contact the company you got it from, get your money back, and try a different company.