Reports are that the NCV3 interior lamps have a local constant 12+ volt source. It may be necessary to establish a constant ground. A simple sheet metal screw into a support rib could supply that... not up into the roof.Does anyone have a clean solution to provide 2A USB power from the dome light? Trying to power a few accessories in a clean solution
RB Components 2018 Sprinter 170 4x4 Ext.