[DeTomaso] MSD Box Autopsy Results
pantdino at aol.com
pantdino at aol.com
Sat Jun 12 17:34:34 EDT 2010
Your instructions are very clear. But one must memorize them or truly understand the physics involved.
I like my rule because it does not require either of those. Maybe I'm just not very smart. :-)
Jim
-----Original Message-----
From: Tomas Gunnarsson <guson at home.se>
To: detomaso at realbig.com
Sent: Sat, Jun 12, 2010 2:00 pm
Subject: Re: [DeTomaso] MSD Box Autopsy Results
To me it's pretty simple.
1. Connect red jumper cable to the + side of one of the batteries. No
osibility of arcing.
. Connect red jumper cable to the + side of the other battery. No
osibility of arcing.
. Connect black jumper cable to the - side of the donor car battery. No
osibility of arcing.
. Connect black jumper cable to ground point away from receiving battery
typically some part of the engine) on the "dead car". Probable arcing.
5. Start "dead car".
. Remove cable end attached at step 4.
. Remove remaining cables, order not important.
Tomas
-----Original Message-----
rom: detomaso-bounces at realbig.com
mailto:detomaso-bounces at realbig.com]On Behalf Of pantdino at aol.com
ent: den 12 juni 2010 22:33
o: jb841 at cox.net; shawkins777 at comcast.net
c: michael at michaelshortt.com; detomaso at realbig.com; thomas at Hax.SE
ubject: Re: [DeTomaso] MSD Box Autopsy Results
o the rule "never let the ground be on there alone" or whatever it is still
pplies to whether you are hooking up a battery or jumping, apparently.
Jim Oddie
----Original Message-----
rom: John Buckman <jb841 at cox.net>
o: Steve Hawkins <shawkins777 at comcast.net>
c: michael at michaelshortt.com; 'DeTomaso Forum' <detomaso at realbig.com>;
Thomas Tornblom' <thomas at Hax.SE>
ent: Thu, Jun 10, 2010 3:42 pm
ubject: Re: [DeTomaso] MSD Box Autopsy Results
he wire that is connected last will arc if there is the potential for
urrent
flow.
he wire that is disconnected first will arc if there is current flowing.
hen using jumper cables, always CONNECT the ground last, and always
ISCONNECT
e ground first. Do not connect the ground to the battery. Connect the
round
the engine (or frame).
en you connect the ground cable, there will be an arc. You do not want
hat
c to be near the battery as it could ignite flammable gasses that may be
caping from the battery vents (read BOOM).
ohn
On Jun 10, 2010, at 3:16 PM, Steve Hawkins wrote:
Then why do you get sparks when you install the ground first or remove it
last?
Steve
-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Thomas Tornblom
Sent: Thursday, June 10, 2010 2:35 PM
To: michael at michaelshortt.com
Cc: DeTomaso Forum
Subject: Re: [DeTomaso] MSD Box Autopsy Results
The only reason for disconnecting the ground first is to avoid any
shorts to ground while you're fiddling with the positive cable.
Electrically there is zero difference whichever cable you disconnect
first.
Mental note to self: steer clear of any MSD ignition...
10 jun 2010 kl. 21.18 skrev "michael at michaelshortt.com"
<michaelsavga at gmail.com
:
> I just received my original MSD box back from repair with a note, Too
damaged to repair, circuit board fried!
I called and asked for a tech who could go over the notes,
they asked if I had a one wire alternator...No
Asked if I had disconnected the battery using the Positive post
first...No,
but who knew that mattered?
Then it hit me, I had left the fan on ( stupid fan!!!!! ) and had to
be jump
started before I left the last place I was at before it died,
I let SOMEBODY ELSE attach the jumper cables while I started the
car, and
then remove them once it kicked over
By removing the Positive cable first and the Ground cable last, the
MSD dude
said that it spiked the system.
WTF?
I ran for about 5 minutes after that and then backfired and died.
So now we have something new to debate.....
Michael Shortt
Meanwhile, the MSD Box 6AL and Tach Adapter are being removed from
the rear
firewall and relocated to the front boot,
now there won't even be room for panties and condoms in the front!
--
Michael L. Shortt
Savannah, Georgia
www.michaelshortt.com
michael at michaelshortt.com
912-232-9390
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