water carries the current, no need for a ground according to my chemist
friend at least.

> From: Larry Alofs <lalofs@ENTERACT.COM>
> Reply-To: Larry Alofs <lalofs@ENTERACT.COM>
> Date: Sat, 13 Oct 2001 09:07:14 -0500
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Double T Trouble
>
> Ed Sato wrote:
>
>> Electrolysis only works when youve got a loop for the electrons to flow.
>> As long as the H- piece is not grounded to the body. Electrolysis cannot
>> take place. If it is the H- piece from a 1.9 it sits between 4 rubber
>> hoses right after the expansion tank. Try going to a radiator shop and
>> see if they can make one out of brass. Ed
>
> Good point.  I have often wondered whether the radiator is electrically
> isolated from the body by rubber mounts, etc.  If so, we would not need to
> worry about copper radiators promoting corrosion of aluminum engine parts.
>
> Larry A.
>