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echo: oldcars
to: GERRY CALHOUN
from: GENE COOK
date: 1997-09-03 20:40:00
subject: Re: Wiring Problem

 -=> Quoting Gerry Calhoun to Gene Cook <=-
 GC> @MSGID: 1:2004/205.0 40a55360
 GC> Hi Gene
 GC> I am really stumped by this and I was wondering if anyone might
 GC> have an idea what is going on.  I have an old E-type that was
 GC> flooded several years ago and I am slowly restoring it.
 GC> I am at the point where I wanted to connect a new battery and
 GC> obviously one needs to be cautious when this is done.  I tried to
 GC> connect the ground terminal first (it is negative ground) before I
 GC> connected the + terminal.
 GC> To my surprise, there were sparks when I connected the negative
 GC> terminal to the ground.  I checked and there is nothing connecting
 GC> the positive terminal so I do not have any idea what could be
 GC> causing the completed circuit.  Any ideas?
 GC> Gene, by the simple act of placing a fresh battery in the car you
 GC> caused deep rumblings from within the earth. Placing a connection on
 GC> the negative of said battery, you awoke LUCAS, Prince of Darkness who
 GC> displayed his power to you in a flash of light. Had you finished the
 GC> job by making connection with the positive terminal, the course of
 GC> history could have been changed :)
Actually, I was hoping that I had discovered the magnetic monopole.  I was
hoping to get millions of dollars from speaking engagements.  Of course as
I tell folks, if someone gave me a million dollars I would immediately take
a trip to the bank and borrow as much money as I could and take it and the
million dollars and try to get my jag fixed.
 GC> Now, in all honesty, I do not see how placing only a negative
 GC> connection on the car you could have had ANY sparks if there was
 GC> indeed nothing touching the positive terminal. If I was doing this, I
 GC> would try again, checking that there is nothing touching the positive
 GC> terminal.
I checked it several times and it was not touching.  I then took a volt
meter and checked the voltages between the positive terminal and the frame
and there was 0 volts and I checked the voltage between the negative
terminal and the frame and there was 12 volts.  I checked the voltage
between the two battery cables and there was 0 volts.  It makes no sense to
me.
 GC>I would then hold a 2 amp fuse to the postive terminal, and
 GC> with everything in the car turned OFF, I would touch the end of the
 GC> positive cable to the 2 amp fuse that I would be holding in contact
 GC> with the positive terminal. With everything turned OFF the fuse should
 GC> not blow. Of course the other way would be to check between the
 GC> positive cable and chassis ground with an OHM meter. If you read more
 GC> than 6 OHMs (or so) you would probably be oksy to hook up the battery.
 I did that and there was 27 ohms between ground and the negative terminal
 but it still sparked when I connected the terminal.
 GC>
 GC> Good luck with your E-type and drop by the BRIT_CAR echo also and tell
 GC> us about it.
I will do that.
 GC> Gerry
 GC> -!- timEd 1.10
 GC>  ! Origin:  The Hitchhikers Guide  (1:2004/205) 
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