RE: Which battery lead to disconnect?

[James Montebello <jamesm@domain.elided>]

Also, the negative lead can be safely rested against the bodywork while
the positive lead is hooked up, while the opposite is not true.

james montebello

On Sun, 12 Jan 2003, Brian Shorey wrote:

> > I have often been puzzled by books recommending one to
> > disconnect the negative lead from
> > the battery before working on the vehicle.  I have tried to
> > fathom out the logic why it
> > must be the negative lead and not the positive.  If any one
> > has a definitive article which
> > explains why this should be so I would appreciate knowing about it.
> >
> > I have an alternative theory, but I would like to get some
> > other opinions before
> > disclosing what it is.
>
> Well,
>
> Part of the reason is that if you slip with the wrench, while
> disconnecting the lead from the battery terminal, and your wrench comes
> in contact with ground, you won't get sparks if it's the negative lead
> you're disconnecting.  But if it's the positive lead, you will..
>
> bs
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