Forum Discussion

Kamphiker's avatar
Kamphiker
Explorer
Apr 10, 2019

Lost 12V Ground 1 circuit Interior Lights, Ideas on finding

While Changing out Vent fan Motor in Lavatory I lost power to the circuit. This also includes 5 other Overhead Lights on same circuit. Fuse is not blown (I have a PD4645 Converter/ charger). In...
Chris_Bryant's avatar
Chris_Bryant
Explorer II
Apr 10, 2019
You are measuring voltage on the ground because the ground is picking up voltage from a light that’s on. Hook one side of a light to a battery and you will assure 12 volts on the open lead. The ground is hot because it isn’t hooked to ground.
As others he sai, try installing the vent fan and go from there, which would be going back through the circuit, finding the last item that works.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,189 PostsLatest Activity: Jan 18, 2025