I have a prowler travel trailer,I have power issues, all on the 110 side when plugged up works, but nothing on the 12volt side works, i checked all fuses and they are good, any clues
At the risk of repeating what enblethen said, the converter is what converts the 120vac power to 12vdc to power most of the things in the RV and to charge the battery. It sounds like either the converter is bad or the wiring and fuses associated with it have a problem.
If you have a multimeter check the ac voltage coming into the converter and the dc voltage coming out.
The converter is probably near the power distribution panel.
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