|12 volt batteries wired in parallel.|
There is something wrong with the wiring, can you solve it?
Batteries are the heart of an RV's electrical system. They contribute to comfort and safety. When dry-camping, camping without power or water hook-ups, the battery keeps your RV alive. The battery powers lights, fans, water pump, smoke detector. Many consider batteries voodoo and leave their comfort and safety to the trust of others. Those 'others' might not know much more than you do. Use the Battery Basics series to learn what you need.
Battery Basics - Types of RV Batteries
Battery Basics - True Deep Cycle vs Dual Purpose
Battery Basics - RV Battery Wiring
Battery Basics - RV Battery Sizing