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Chris
Chris, Shop Foreman
Category: Dodge
Satisfied Customers: 13646
Experience:  Dodge/Cummins and Chrysler Certified Master Tech
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I have a 2004 dodge 2500 4x4 6speed 5.9 cummins diesel. When

Customer Question

I have a 2004 dodge 2500 4x4 6speed 5.9 cummins diesel. When driving the volt meter crashes to -8. The truck continues to run on battery power but slowly drains the battery. Have replaced the Alt. and the integrated power module. None of the other systems seem to be effected when this happens
Submitted: 1 year ago via CarComplaints.com.
Category: Dodge
Expert:  Chris replied 1 year ago.

Hello and welcome to just answer. The PCM or ECM (depending on the truck's build date) contains the voltage regulator for the charging system. Does your truck have a PCM mounted to the right side of the fire wall under the hood?

Chris

Expert:  Chris replied 1 year ago.

Hello, are you there??

Chris