2019 MR RWB T150
Yes. Mine is that way (wooden base) although I used a ground point on the E brake base. As long as the bus bar is somehow connected to the vans metal you're good.If I drill a hole in my frame, under the van, and create a ground point there, and then run an appropriately sized wire up through the wall and connect it to my negative busbar which is mounted directly to a wood surface, will that work to ground my loads?
All positive loads terminate in a Blue Sea 12 circuit fuse block.