If you’re planning to install a DC to DC charger, then this is the article you should read! This article explains exaclty how to install a DC-DC charger, with diagrams. It also includes a full list of components and tools that we would recommend.
Installing a Relay alongside a DC-DC Charger
If you’re installing a DC to DC charger into a motorhome, you should consider installing a relay to bipass the existing electrical system. This article is a must-read as it explains how to install a bypass (change-over) relay alongside your DC-DC charger. It also includes a comprehensive list of components and tools that we would recommend that you use.