12 Volt Series Wiring Diagrams. 12 volt lights are brighter and reach further than 6 volt. Chances are your motorhome has a 12 volt system in which case you would wire the two batteries in parallel assuming the batteries are 12 volt.
In its most simple form an electrical circuit consists of three fundamental parts. Parallel wiring increases current but the voltage does not change. Battery bank wiring diagrams 6 volt 12 volt series.
This diagram shows a simple parallel circuit to increase current or power.
12 volt wiring diagram for 8n ford tractor from static assetsimageservicecloud. Solar dc battery wiring configuration 48v design and instructions for batteries. Parallel wiring increases current but the voltage does not change. If you want the battery voltage to double like using two 12 volt batteries to power a 24 volt system you would wire the batteries in.