Renogy Dc To Dc Charger Wiring Diagram. Unless my poor eyesight is misleading me, the diagram shows the fuse between the alternator and the dc2dc charger. And one small lug or wire that should be connected to a key switched 12v positive wire from the vehicle.
This prevents the charger from operating when the engine is off. The positive and negative connections are on opposite sides of the unit making the installation process easy and quick. Those settings will charge the battery @14.4v boost/absorption charge and.