Hi YK and y'all. I have an old Jaguar, car not sloper, and the
maintenance manual recommends that the negative "earth" be disconnected
before working on the electrical system. The theory is that any
acccidental short to the chassis will not burn up the expensive stuff.
I've had a battery blow up. The cause was gas on top of the battery while
I tried to connect jumper cables. If you are making connections to a
battery, It's best to make the "last" connection away from the battery so
the spark in not near the gas. Cars that are running have a fan that
stirs up the air and dissapates the gas. Batteries without this airflow
may blow.
Hope this helps.
Pete Carr
State College, PA (TDY Portsmouth, OH)
On Mon, 10 Apr 2000 20:14:05 -0700 "Y.K.Chan" <[EMAIL PROTECTED]> writes:
> I think John got this right. That is the originating reason.
> YK
> ----- Original Message -----
> From: John Ensoll <[EMAIL PROTECTED]>
> To: George Voss <[EMAIL PROTECTED]>; RCSE <[EMAIL PROTECTED]>
> Sent: Monday, April 10, 2000 5:55 PM
> Subject: RE: [RCSE] Why Negative Last
>
>
> > High George,
> > The reason is probably due to the recommended system on your car
> or truck
> > which will have a negative earth system.
> > If you make the positive connection last there is a danger of your
> spanner
> > making contact with some other part of the car and "Bloooie"
> you've done
> a
> > welding job! or melted your spanner.
> > This can't happen if you make the negative connection last.
> >
> > Regards
> > John
>
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