1993 Dodge Truck the alternator is not charging the system

1993 DODGE TRUCK
200,000 MILES • 6 CYL • 2WD • MANUAL
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RODNEYMORINE
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First I have the cummins 5.9 diesel. My voltmeter is barely registering as if the alternator was bad. This is not the case. The alternator is new, I also used one off of a truck that has no problems. I also swithed computers and my truck is still not charging. I also changed the belt thinking that the old one lost its tension. Wrong that's not it either. What do you think it could be. Thanks in advance
Apr 14, 2008 at 6:17 PM
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BMRFIXIT
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sorry I don’t do diesel but it sound to me you have a wiring issue check power supply and ground for and at the alternator
Apr 14, 2008 at 7:15 PM