Forum Discussion

alexey75's avatar
alexey75
Explorer
May 01, 2021

How 12v lights work?

I have an issue with led awning lights blowing the fuse, I am troubleshooting it and have a general question.

When the trailer connected to shore power, do 12v lights get the power from the battery (and converter charges it in the background), or do they get the power from 110v through some converter?
  • alexey75 wrote:
    I have an issue with led awning lights blowing the fuse, I am troubleshooting it and have a general question.
    Where are these lights plugged in?
  • wnjj's avatar
    wnjj
    Explorer II
    When plugged in to shore power, the converter applies a charging voltage to the battery. So the converter supplies the power to the 12V items, including the battery. They are all connected together.

    This means the 12V lights, etc. see a slightly higher voltage when on shore power.
  • alexey75 wrote:
    ...12v lights get power from the battery (and converter charges it in the background)


    This.