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battery voltage

  1. 2003 & Early 2004 Only Discussion
    My o3 dodge 2500 charges fine for a wile then it will drop to around 11 or 12 volts for about 30 seconds then drop to nuthing. Jumped truck off this morning and just took off didn’t let other truck charge it ran it to work over an hour away with headlights on half of the way and it made it just...
  2. 07.5 - 09 3rd Gen 6.7 Liter General Discussion
    2500 6.7l diesel, 106,000 miles My non-starter battery is at 14V (ideal) but my starting battery keeps fluctuating between 2-10V, and even when jumped and running for 2 hours, 1 hour after turning off it struggled to start again. Is this an alternator issue? My batteries are <2 years old...
  3. 94-98 Non-Powertrain
    Hello Installed new alternator and batteries. Pick-up is at normal op/temp. Everything is working as normal until I turn on headlights and raise RPM then voltage spikes and will hold until I let off fuel peddle. At idol normal. Only when I accelerate does voltage sky rocket... Thank you!
  4. 89-93 Powertrain
    Hello everyone, I just bought a 93 d-250 5 speed about a week ago and the last owner put a brand new battery in it 3 months ago. I took it to the store yesterday and came out and the battery was dead so today I got it checked at orileys and they said the alternator was bad. So I replaced the...
  5. 3rd Gen. Performance Parts Discussion
    Could not be happier with this upgrade. I was having some kind of voltage drop off of the rear driver light cluster, would even get a minor zap when touching the chassis. replaced both of the rear light cluster boards which fixed that issue, but found the batteries had major voltage variances...
  6. 3rd Gen. Performance Parts Discussion
    I have owned an Edge Insight CTS2 monitor for 4 years now and love the monitoring capabilities as well as the many little extras included such as maintenance manager and data logging. My truck is EFI Live tuned so this is just the insight monitor, not the evolution. Since I have owned the...
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