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With the engine ON and running over 1200RPM, you should have ~ 13.8 to =
14.8 Volts Direct Current (VDC) reading on your meter across the battery =
terminals.
=20
With the engine OFF, a good battery will read ~12.6 VDC
=20
Check and fill the electrolyte level of you have removeable caps, then =
put the battery on an overnight charge, get it to ~12.5 VDC, then try =
again. Most alternators are not rated to charge a dead or dying battery =
and sometimes you will toast the regulator if it is trying to charge a =
low or dead battery.
=20
Could be the alternator itself or alternator regulator.
=20
Newer cars =E2=80=93 some =E2=80=93 will drop the charging if the =
battery load exceeds the rating of the alternator, others will just =
attempt to supply whatever the current load is until they burn out =
something. My Jaguar tells me both if the battery is low on start or if =
the charging system is not working after starting, the miracle of =
technology.
=20
Cheers!
=20
Glenn aka StagByTriumph
=20
Subject: [TR] battery and charging system
=20
If the battery reads 11.33 v whether the car is running or not, that =
means either the battery or the charging system is bad, right?
=20
=20
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vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal>With the engine ON and running =
over 1200RPM, you should have ~ 13.8 to 14.8 Volts Direct Current (VDC) =
reading on your meter across the battery terminals.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>With the =
engine OFF, =C2=A0a good battery will read ~12.6 VDC<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Check and =
fill the electrolyte level of you have removeable caps, then put the =
battery on an overnight charge, get it to ~12.5 VDC, then try =
again.=C2=A0 Most alternators are not rated to charge a dead or dying =
battery and sometimes you will toast the regulator if it is trying to =
charge a low or dead battery.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Could be the =
alternator itself or alternator regulator.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Newer cars =
=E2=80=93 some =E2=80=93 will drop the charging if the battery load =
exceeds the rating of the alternator, others will just attempt to supply =
whatever the current load is until they burn out something.=C2=A0 My =
Jaguar tells me both if the battery is low on start or if the charging =
system is not working after starting, the miracle of =
technology.<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Cheers!<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Glenn aka =
StagByTriumph<o:p></o:p></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b><o:p> </o:p></b></p><p =
class=3DMsoNormal><b>Subject:</b> [TR] battery and charging =
system<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>If the =
battery reads 11.33 v whether the car is running or not, that means =
either the battery or the charging system is bad, =
right?<o:p></o:p></p><p =
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6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><p =
class=3DMsoNormal><o:p> </o:p></p></blockquote></div></blockquote></=
div></div></body></html>
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