Thanks, I'll check it out.

On Feb 28, 6:34 pm, "Vaughn Simon"
wrote:
"dodger" wrote in message

oups.com...

Thanks for the reply. But I don't think that will help in this
situation.

The best thing is to just get a common ground meter like Jim suggests.

Your only other choice is an isolating DC-DC converter. MPJAhttp://www.mpja.com/usually has an interesting selection of DC-DC converters
and other fun bits.

Vaughn