Rv Lights Flickering

Only happened when on shore power.
Rv lights flickering. I noticed that everyone assumed that all of the lights are on the 12v system in the rv. What to do if some of your rv 12v lights stop working one of our rv 12v light fixtures stopped working the other day and we were unsure if it was the fixtur. But what causes flickering. Most rv furnaces aren t made to do full time duty or at least that was the case until recently.
By steve savage mobility rv service here s a common question that s worth sharing. Disconnect the battery with your rv plugged into a power source. Follow ups are included in our fee. Recently my lights in my fifth wheel have started getting dim and sometimes flickering.
How can i determine whether my problem is a four year old battery or the charger or the converter. Led lights flickering when switched off. I have disconnected my negative battery post while. When i run the furnace after a few minutes the above lights flicker and the above lights and answered by a verified rv mechanic.
About 1 2 of ours are on the 120v system other have 12v system and to add to that some of the 120v run through the subpanel for the inverter converter some don t. Caused by the variable voltage used by the converter to charge the batteries. If the lights go dim then there is an issue with the converter. We fought with flickering lights for most of last season.
Both were in the main l r slide out. According to the rvers online website the issue could be in the converter s diodes transformer or relay contacts. An incorrectly connected light switch or a switch with a night light can be responsible for flickering. The reason for this can usually be found in the electrical wiring.
Finally replaced the light fixtures one and then two at a time until we found the two that were causing the rest to flicker.