Forum Discussion

MtLaw's avatar
MtLaw
Explorer
Apr 29, 2013

HELP!!! Coach batteries not recognized by inverter

We have an 85 Prevost which has had fairly substantial updates. Several years ago we had a new Magnum inverter/battery charger installed. The unit has a substantial set of house batteries which are ...
YC_1's avatar
YC_1
Nomad
Apr 29, 2013
If the merge switch allows the inverter to run and the engine batteries are 12 volts then the inverter is 12 volts. So measuring the voltage across the engine batteries is a way to work backwards towards the house batteries. I would run the model number of the inverter past the factory and find out if it is a 12 or 24 volt setup. Pictures of the battery banks would be helpful.

I would love to see a diagram of this setup if someone has one.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,282 PostsLatest Activity: Jul 12, 2025