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Truck wont hold power

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Old Dec 27, 2021 | 02:01 PM
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Default Truck wont hold power

Hi,
I have a 2009 dodge ram 2500 with the 6.7 cummins engine in it. my truck gauges read that im low on battery, and the needle rests at about 10-11. I just replaced the batteries, and the alternator, and it still wont charge up the batteries while the truck is running. im about to try getting new bolts for my battery terminals to see if my connection was just corroded. Any other suggestions?
 
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Old Dec 27, 2021 | 03:54 PM
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From: Clayton MI
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Bad voltage regulator, which, I believe, is part of the PCM.
 
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Old Dec 27, 2021 | 07:31 PM
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From: Parker, SD
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Yes, always good to make sure connections are clean

while truck is running measure passenger battery voltage and see if it matches the drivers battery, definitely would drive it until issue is resolved, alot of toasty dodges over the years from a blown battery. I boiled one a few weeks ago got lucky it didn't exploded
 
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