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Re: [Shop-talk] electrical problem with truck

To: "shop-talk" <shop-talk@autox.team.net>
Subject: Re: [Shop-talk] electrical problem with truck
From: "john niolon" <jniolon@att.net>
Date: Mon, 9 Aug 2021 12:55:51 -0500
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <1UZ4ZeHN5p.88LXRt04Wgj.ref@johns-desktop> <1UZ4ZeHN5p.88LXRt04Wgj@johns-desktop>
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sorry for slow response... helping daughter and sil move...priorities!=
!!

Monday a.m. report

fresh charge on battery 40 amp for 30 minutes on saturday trickle char=
ger since=20
then .. battery voltage 13.4 this a.m. checked with two different mete=
rs


hooked up H.F. 500 amp load tester, voltage reading same as VOM at 13.=
4
voltage at frame rail terminal also 13.4

battery has 800 CCA capacity
started test... over 15 second test the battery slowly dropped to 320 =
amps and=20
voltage read 10.8 (still in the green scale)
stopped test at 15 seconds and two minutes later battery was back up t=
o 12.7





next step will be check alternator output at battery and terminal poin=
t

ok... started truck... engine at 1200 rpm
meter on alternator o/p- voltage is 14.6
meter on battery voltage is 13.5

hmmm...1.1 volt drop in 4' of 1/0 cable....that don't sound right
need to measure resistance of cable I guess...

as an aside... checked voltaged between frame ground and the case of t=
he=20
alternator... 0.0001 volts

I also took battery back to Wal mart and Quintella checked it...  batt=
ery is=20
good based on her years of
battery experience







----- Original Message -----
From: john niolon <jniolon@att.net>
To: shop-talk <shop-talk@autox.team.net>
Sent: 8/6/2021 8:58:12 AM
Subject: [Shop-talk] electrical problem with truck



jeff=E2=80=A6.     regular led acid battery ??     Everstart Maxx27 80=
0 CCA  regular=20
Walmart battery

When it died, did any of the electrical items still work?  Lights, etc=
=2E?  when=20
it first occurred ,, when I tried to restart, .. starter just clicked =
and I=20
remember the a/c fan still blowing


Donald...  How large is the cable from the alternator to the battery? =
  feed=20
from battery to alternator is #4 wire


Dave... I was thinking a dirty battery clamp.    battery clamps are ne=
w this=20
year and clean, no corrosion on connections

John...   How is the volt meter in your truck grounded, to the frame o=
r to the=20
motor?    voltmeter in dash is grounded to dash frame  voltmeter used =
to check=20
under hood is grounded to frame not engine. =20
I'll go back and check ground connections. Alternator has a ground ter=
minal of it's=20
own...=20
it's #10 wire grounded to the frame and of course the alternator is gr=
ounded through it's=20
mount.

Pat...  what is the relationship between the frame terminal & the rest=
 of the=20
electrical system?  Terminal on the frame rail is fed by a=20
4' piece of  #4 wire from the i/p solenoid lug where the cable from th=
e battery is connected to the solenoid.

Jimmie..    What's=20
the voltage at the terminal with those accessories 'on' but the engine=
 'off'   =20
hmmm ?? don't remember checking that, =E2=80=A6  I'll do that

 How big is the alternator?    100 amp single wire from CVF racing

ya'll have given me lots to check and recheck and some I haven't thoug=
ht of... =20
 going back through my diagnostics and check connections too.  I bough=
t a 500=20
amp load tester yesterday and will put sufficient load on the battery.=
  Battery=20
is under the cab and I have to lower it to check it out and with the l=
ow truck,=20
I have to raise truck on jackstands.. silly me, I thought battery woul=
d be a=20
low maintenance item ...duh.   so checking at a shop somewhere is a ve=
ry large=20
pain.

points I'm considering.... larger ground wires from frame to engine...=
=2E alternator to frame and check resistance from solenoid lug to the =
terminal on the frame...   the saga continues

thanks for all the replies and points to check...   you guys are the b=
est

john

--iuPdilL7EUf6iZMk6GD2I4N=_tu6xJfrvo
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<DIV>
<DIV id=3Dpost_message_20009636 class=3Dnolinks style=3D'BOX-SIZING: b=
order-box; FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, lucida, "luc=
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kit-text-stroke-width: 0px; text-decoration-thickness: initial; text-d=
ecoration-style: initial; text-decoration-color: initial'>sorry for sl=
ow response... helping daughter and sil move...priorities!!!</DIV>
<DIV class=3Dnolinks style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px;=
 FONT-FAMILY: Verdana, geneva, lucida, "lucida grande", arial, helveti=
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es: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px;=
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ext-decoration-color: initial'>&nbsp;</DIV>
<DIV class=3Dnolinks style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px;=
 FONT-FAMILY: Verdana, geneva, lucida, "lucida grande", arial, helveti=
ca, sans-serif; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM=
: none; FONT-WEIGHT: 400; COLOR: rgb(34,34,34); PADDING-BOTTOM: 0px; F=
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es: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px;=
 text-decoration-thickness: initial; text-decoration-style: initial; t=
ext-decoration-color: initial'>Monday a.m. report<BR style=3D"BOX-SIZI=
NG: border-box"><BR style=3D"BOX-SIZING: border-box">fresh charge on b=
attery 40 amp for 30 minutes on saturday trickle charger since then ..=
 battery voltage 13.4 this a.m. checked with two different meters<BR s=
tyle=3D"BOX-SIZING: border-box"><BR style=3D"BOX-SIZING: border-box"><=
BR style=3D"BOX-SIZING: border-box">hooked up H.F. 500 amp load tester=
, voltage reading same as VOM at 13.4<BR style=3D"BOX-SIZING: border-b=
ox">voltage at frame rail terminal also 13.4<BR style=3D"BOX-SIZING: b=
order-box"><BR style=3D"BOX-SIZING: border-box">battery has 800 CCA ca=
pacity<BR style=3D"BOX-SIZING: border-box">started test... over 15 sec=
ond test the battery slowly dropped to 320 amps and voltage read 10.8 =
(still in the green scale)<BR style=3D"BOX-SIZING: border-box">stopped=
 test at 15 seconds and two minutes later battery was back up to 12.7<=
BR style=3D"BOX-SIZING: border-box"><BR style=3D"BOX-SIZING: border-bo=
x"><BR style=3D"BOX-SIZING: border-box"><PICTURE id=3Dinline1 style=3D=
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"BOX-SIZING: border-box" data-srcset=3D"" srcset=3D"https://cimg3.ibsr=
v.net/gimg/www.ford-trucks.com-vbulletin/360x270/amps1_d85e8a6155a607a=
ae42c4fe2bbfde35778478032.jpg"><IMG class=3Dpost_inline_image style=3D=
"BORDER-TOP-STYLE: none; BOX-SIZING: border-box; MAX-WIDTH: 100%; BORD=
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OM-STYLE: none; BORDER-RIGHT-STYLE: none; DISPLAY: inline-block" alt=3D=
"" src=3D"https://cimg3.ibsrv.net/gimg/www.ford-trucks.com-vbulletin/3=
60x270/amps1_d85e8a6155a607aae42c4fe2bbfde35778478032.jpg" loading=3D"=
lazy" data-src=3D"" data-size=3D"360x270"></PICTURE><BR style=3D"BOX-S=
IZING: border-box"><BR style=3D"BOX-SIZING: border-box">next step will=
 be check alternator output at battery and terminal point<BR style=3D"=
BOX-SIZING: border-box"><BR style=3D"BOX-SIZING: border-box">ok... sta=
rted truck... engine at 1200 rpm<BR style=3D"BOX-SIZING: border-box">m=
eter on alternator o/p- voltage is 14.6<BR style=3D"BOX-SIZING: border=
-box">meter on battery voltage is 13.5<BR style=3D"BOX-SIZING: border-=
box"><BR style=3D"BOX-SIZING: border-box">hmmm...1.1 volt drop in 4' o=
f 1/0 cable....that don't sound right<BR style=3D"BOX-SIZING: border-b=
ox">need to measure resistance of cable I guess...<BR style=3D"BOX-SIZ=
ING: border-box"><BR style=3D"BOX-SIZING: border-box">as an aside... c=
hecked voltaged between frame ground and the case of the alternator...=
 0.0001 volts<BR style=3D"BOX-SIZING: border-box"><BR style=3D"BOX-SIZ=
ING: border-box">I also took battery back to Wal mart and Quintella ch=
ecked it...&nbsp; battery is good based on her years of</DIV>
<DIV class=3Dnolinks style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px;=
 FONT-FAMILY: Verdana, geneva, lucida, "lucida grande", arial, helveti=
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es: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px;=
 text-decoration-thickness: initial; text-decoration-style: initial; t=
ext-decoration-color: initial'>battery experience<BR style=3D"BOX-SIZI=
NG: border-box"></DIV>
<DIV style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMILY: Ve=
rdana, geneva, lucida, "lucida grande", arial, helvetica, sans-serif; =
WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEI=
GHT: 400; COLOR: rgb(34,34,34); PADDING-BOTTOM: 0px; FONT-STYLE: norma=
l; PADDING-TOP: 0px; PADDING-LEFT: 0px; ORPHANS: 2; WIDOWS: 2; MARGIN:=
 0px; LETTER-SPACING: normal; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rg=
b(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; font=
-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration=
-thickness: initial; text-decoration-style: initial; text-decoration-c=
olor: initial'>&nbsp;</DIV></DIV>
<DIV>&nbsp;</DIV>
<BLOCKQUOTE style=3D"PADDING-BOTTOM: 0px; PADDING-TOP: 0px; PADDING-LE=
FT: 0.5em; BORDER-LEFT: #c7e5ff 1px solid; MARGIN: 0px 0px 0px 0.5em; =
PADDING-RIGHT: 0px">
<DIV><B>----- Original Message -----</B></DIV>
<DIV><B>From:</B> john niolon &lt;<A>jniolon@att.net</A>&gt;</DIV>
<DIV><B>To:</B> shop-talk &lt;<A>shop-talk@autox.team.net</A>&gt;</DIV=
>
<DIV><B>Sent:</B> 8/6/2021 8:58:12 AM</DIV>
<DIV><B>Subject:</B> [Shop-talk] electrical problem with truck</DIV>
<HR style=3D"BORDER-TOP: medium none; HEIGHT: 1px; BORDER-RIGHT: mediu=
m none; BORDER-BOTTOM: medium none; COLOR: #ccc; BORDER-LEFT: medium n=
one; BACKGROUND-COLOR: #ccc">

<STYLE type=3Dtext/css> body { margin:0.7em; } body.OECFntDef, body.OE=
CFntDef div { font-family:"Segoe UI",Tahoma,Verdana,Arial,Helvetica,sa=
ns-serif;font-size:12pt; }</STYLE>

<META name=3DGENERATOR content=3D"MSHTML 11.00.10570.1001">
<DIV>jeff=E2=80=A6.&nbsp;&nbsp;&nbsp;&nbsp; regular led acid battery ?=
?&nbsp;&nbsp;&nbsp;&nbsp; <FONT color=3D#ff0000>Everstart Maxx27 800 C=
CA&nbsp; regular Walmart battery</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>When it died, did any of the electrical items still work?&nbsp; L=
ights, etc.?&nbsp; <FONT color=3D#ff0000>when it first occurred ,, whe=
n I tried to restart,&nbsp;.. starter just clicked and I remember the =
a/c fan still blowing</FONT></DIV>
<DIV><FONT color=3D#ff0000></FONT>&nbsp;</DIV>
<DIV><FONT color=3D#ff0000>&nbsp;</DIV>
<DIV><FONT color=3D#000000>Donald...&nbsp; How large is the cable from=
 the alternator to the battery?&nbsp;&nbsp; </FONT><FONT color=3D#ff00=
00>feed from battery to alternator is #4 wire<BR></FONT></DIV>
<DIV><FONT color=3D#ff0000></FONT>&nbsp;</DIV>
<DIV><FONT color=3D#ff0000><FONT color=3D#000000>Dave... I was thinkin=
g a dirty battery clamp.</FONT>&nbsp;&nbsp;&nbsp; battery clamps are n=
ew this year and clean, no corrosion on connections</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT color=3D#ff0000><FONT color=3D#000000>John...&nbsp;&nbsp; H=
ow is the volt meter in your truck grounded, to the frame or to the mo=
tor?</FONT>&nbsp;&nbsp;&nbsp; voltmeter in dash is grounded to dash fr=
ame&nbsp; voltmeter used to check under hood is grounded to frame not =
engine.&nbsp; I'll go back and check ground connections. Alternator ha=
s a ground terminal of it's own... it's #10 wire grounded to the frame=
&nbsp;and of course the alternator is grounded through it's mount.</FO=
NT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT color=3D#000000>Pat...&nbsp; what is the relationship betwe=
en the frame terminal &amp; the rest of the electrical system?&nbsp; <=
/FONT>Terminal on the frame rail is fed by a 4' piece of &nbsp;#4 wire=
 from the i/p solenoid lug where the cable from the battery is connect=
ed to the solenoid.</DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT color=3D#000000>Jimmie..&nbsp;&nbsp;&nbsp; What's the volta=
ge at the terminal with those accessories 'on' but the engine 'off'</F=
ONT>&nbsp;&nbsp;&nbsp; hmmm ?? don't remember checking that, =E2=80=A6=
&nbsp; I'll do that</DIV>
<DIV>&nbsp;<FONT color=3D#000000>How big is the alternator?</FONT>&nbs=
p;&nbsp;&nbsp; 100 amp single wire from CVF racing</DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT color=3D#000000>ya'll have given me lots to check and reche=
ck and some I haven't thought of...&nbsp;&nbsp; going back through my =
diagnostics and check connections too.&nbsp; I bought a 500 amp load t=
ester yesterday and will put sufficient load on the battery.&nbsp; Bat=
tery is under the cab and I have to lower it to check it out and with =
the low truck, I have to raise truck on jackstands.. silly me, I thoug=
ht battery would be a low maintenance item ...duh.&nbsp;&nbsp; so chec=
king at a shop somewhere is a very large pain.</FONT></DIV>
<DIV><FONT color=3D#000000></FONT>&nbsp;</DIV>
<DIV><FONT color=3D#000000>points I'm considering.... larger ground wi=
res from frame to engine.... alternator to frame and check resistance =
from solenoid lug to the terminal on the frame...&nbsp;&nbsp; the saga=
 continues</FONT></DIV>
<DIV><FONT color=3D#000000></FONT>&nbsp;</DIV>
<DIV><FONT color=3D#000000>thanks for all the replies and points to ch=
eck...&nbsp;&nbsp; you guys are the best</FONT></DIV>
<DIV><FONT color=3D#000000></FONT>&nbsp;</DIV>
<DIV><FONT color=3D#000000>john</FONT></DIV>
<DIV>&nbsp;</DIV></FONT></BLOCKQUOTE></BODY></HTML>

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