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Power problem on 96 ram3500 5.9 cummins


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Hello to all. I am new to the site. I was looking on the web for a issue I have and came across this site. There's a lot of knowledge here and hopefully it will help me out and learn me some stuff. I have a 96 ram3500 5.9 cummins. I replaced the front cover gasket, had injector pump rebuilt. I rebuilt the transmission. I got her all back togather and runs great. Except my altenators not charging and I have no power to transmission. When I check with a volt meter at the 2 small wires on altenator they get 12.6 volts when keys turned on and within 2-3 seconds it counts voltage down to like 0.6 and stays there. Never changes running or not only as soon as keys on for couple seconds. Same thing at power wires going to transmission. It is the exact same thing. I have no codes, no blown fuses, both batteries are new and fully charged. I can't find any grounds off or wires pinched or anything to make this happen. If anyone can help please please do so. It will be greatly appreciated.

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Transmission and Charging is all you're missing?

Try swapping the ASD relay in the Power Distribution Center (The black box next to the drivers side battery).

Also check #4 fuse in the PDC for power on both sides while the issue is occurring.

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