Is this the link? Just needed an http in front
http://www.practical-sailor.com/news...ecorrosion.pdf
I have the same question about grounding wires. My boat has white # 10 wires attached to the middle chainplates. There is also a # 10 wire that ends near the intake seacock, but is not attached to anything.
These wires are all original.
What purpose do they serve?