Forum Discussion

otrfun's avatar
otrfun
Explorer II
Feb 14, 2021

Cold Ambient Temps = Higher Alternator Voltage?

Our '16 Ram 3500 Cummins (220a alternator) typically charges around 14.3 - 14.4v about 95% of the time. On occasion charge voltage will drop to 13.9v on a long trip when the batteries get topped-off ...
time2roll's avatar
time2roll
Nomad
Feb 14, 2021
I would assume all is normal by oem design. This is why they dumb down the gauges in some to just show normal.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,348 PostsLatest Activity: Jun 23, 2024