Worked on the back of panel today - follwoing the plan to group the cables to common connectors to reduce all the clutter behind the panel. Started with the bus bar heacy cables, then did all of the positive cables (1 x 8 pin connector box and 1 x 2 pin box), then did the negative cables (1 x 8 pin connector box). Next step is to tape the cables into harness bundles and locate the bundles so that can't move and be damaged...
