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Bad battery and some parasitic current on the car, I=92d guess. The battery=
internal resistance (think of a resistor in series with the battery) could=
large relative to the parasitic current path on the car, but negligible re=
lative to the resistance of the multimeter.
Cliff
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________________________________
From: Triumphs <triumphs-bounces@autox.team.net> on behalf of dave <dave@ra=
nteer.com>
Sent: Sunday, June 14, 2020 7:51:10 AM
To: triumphs@autox.team.net <triumphs@autox.team.net>
Subject: Re: [TR] what is going on?????
Yes. I tested the good battery and it showed 12.7 volts. positive
From: Geo Hahn <ahwahneetr@gmail.com>
Sent: Sunday, June 14, 2020 7:40 AM
To: dave <dave@ranteer.com>
Cc: triumphs@autox.team.net
Subject: Re: [TR] what is going on?????
Have you confirmed that the leads are correctly connected at the multimeter=
?
On many modes they can be reversed.
Geo
m>> wrote:
We bought a car a few months ago (an 88 jeep actually). Wasn=92t running o=
r driving, needed some work, battery was dead.
Today we finally got it running and driving using a known good battery from=
another car.
Set the jeep=92s battery up on a charger a day or two ago and decided to tr=
y it in the jeep after all we succeeded in getting it running and driving.
Hooked up the positive first, then touching the negative caused a spark!!!!
Double checked that we had the ground to the engine and the positive to the=
electrical system.
The multimeter, with the red on the positive terminal and the black on the =
negative, read -9.97
Reversed it and got 9.97.
Checked the good battery =96 no, the multimeter is not broken.
Checked the jeep=92s old battery again, same results. Good battery =96 sam=
e results (about 12.97)
What is going on???? how is this possible? Yes, we are replacing the batt=
ery but if someone had told me this story I would have told him he must hav=
e mixed up the terminals, that its not possible.
Can anyone explain this to me?
And yes, we are replacing the battery
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archiv=
e
tr@gmail.com
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<div>
<div style=3D"direction: ltr;">Bad battery and some parasitic current on th=
e car, I=92d guess. The battery internal resistance (think of a resistor in=
series with the battery) could large relative to the parasitic current pat=
h on the car, but negligible relative
to the resistance of the multimeter.</div>
<div><br>
</div>
<div style=3D"direction: ltr;">Cliff</div>
<div style=3D"direction: ltr;"></div>
</div>
<div><br>
</div>
<div class=3D"ms-outlook-ios-signature">Get <a href=3D"https://aka.ms/o0uke=
f">Outlook for iOS</a></div>
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<hr style=3D"display:inline-block;width:98%" tabindex=3D"-1">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" st=
yle=3D"font-size:11pt" color=3D"#000000"><b>From:</b> Triumphs <triumphs=
-bounces@autox.team.net> on behalf of dave <dave@ranteer.com><br>
<b>Sent:</b> Sunday, June 14, 2020 7:51:10 AM<br>
<b>To:</b> triumphs@autox.team.net <triumphs@autox.team.net><br>
<b>Subject:</b> Re: [TR] what is going on?????</font>
<div> </div>
</div>
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<p class=3D"x_MsoNormal">Yes. I tested the good battery and it showed=
12.7 volts. positive</p>
<p class=3D"x_MsoNormal"> </p>
<div style=3D"border:none; border-top:solid #E1E1E1 1.0pt; padding:3.0pt 0i=
n 0in 0in">
<p class=3D"x_MsoNormal"><b>From:</b> Geo Hahn <ahwahneetr@gmail.com>=
<br>
<b>Sent:</b> Sunday, June 14, 2020 7:40 AM<br>
<b>To:</b> dave <dave@ranteer.com><br>
<b>Cc:</b> triumphs@autox.team.net<br>
<b>Subject:</b> Re: [TR] what is going on?????</p>
</div>
<p class=3D"x_MsoNormal"> </p>
<div>
<p class=3D"x_MsoNormal">Have you confirmed that the leads are correctly co=
nnected at the multimeter?</p>
<div>
<p class=3D"x_MsoNormal"> </p>
</div>
<div>
<p class=3D"x_MsoNormal">On many modes they can be reversed.</p>
</div>
<div>
<p class=3D"x_MsoNormal"> </p>
</div>
<div>
<p class=3D"x_MsoNormal">Geo</p>
</div>
</div>
<p class=3D"x_MsoNormal"> </p>
<div>
<div>
<p class=3D"x_MsoNormal">On Sat, Jun 13, 2020, 7:57 PM dave <<a href=3D"=
mailto:dave@ranteer.com";>dave@ranteer.com</a>> wrote:</p>
</div>
<blockquote style=3D"border:none; border-left:solid #CCCCCC 1.0pt; padding:=
0in 0in 0in 6.0pt; margin-left:4.8pt; margin-right:0in">
<div>
<div>
<p class=3D"x_MsoNormal" style=3D"">We bought a car a few months ago (an 88=
jeep actually). Wasn=92t running or driving, needed some work, batte=
ry was dead.</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">Today we finally got it running and dri=
ving using a known good battery from another car.</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">Set the jeep=92s battery up on a charge=
r a day or two ago and decided to try it in the jeep after all we succeeded=
in getting it running and driving.</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">Hooked up the positive first, then touc=
hing the negative caused a spark!!!!</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">Double checked that we had the ground t=
o the engine and the positive to the electrical system.</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">The multimeter, with the red on the pos=
itive terminal and the black on the negative, read -9.97</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">Reversed it and got 9.97.</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">Checked the good battery =96 no, the mu=
ltimeter is not broken.</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">Checked the jeep=92s old battery again,=
same results. Good battery =96 same results (about 12.97)</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">What is going on???? how is this =
possible? Yes, we are replacing the battery but if someone had told m=
e this story I would have told him he must have mixed up the terminals, tha=
t its not possible.</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">Can anyone explain this to me?</p>
<p class=3D"x_MsoNormal" style=3D""> </p>
<p class=3D"x_MsoNormal" style=3D"">And yes, we are replacing the battery</=
p>
</div>
</div>
<p class=3D"x_MsoNormal">** <a href=3D"mailto:triumphs@autox.team.net"; targ=
et=3D"_blank">
triumphs@autox.team.net</a> **<br>
<br>
//www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; target=3D"_blan=
k">http://www.team.net/pipermail/triumphs</a>
<a href=3D"http://www.team.net/archive"; target=3D"_blank">http://www.team.n=
et/archive</a><br>
<br>
hs/ahwahneetr@gmail.com" target=3D"_blank">
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</blockquote>
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