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Re: [Healeys] Ignition Circuit

To: Perry <healeyguy@aol.com>
Subject: Re: [Healeys] Ignition Circuit
From: Skip Saunders <tfsbj7@gmail.com>
Date: Sat, 25 May 2019 08:39:51 -0400
Cc: healeylist <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <004201d512c9$dc3b06c0$94b11440$@tpg.com.au> <20190525121144.A51EEA0893@autox.team.net>
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Short answer: The car total electric load exceeds the capacity of the
generator.  The light comes on when the deficit is being made up from the
battery.


On Sat, May 25, 2019, 08:11 Perry via Healeys <healeys@autox.team.net>
wrote:

> Patrick
>
> The ignition (no charge) warning light does not have a ground like most
> lights on our Austin Healey or Healey=E2=80=99s but ground through the =
=E2=80=9CD=E2=80=9D
> connector on the dynamo when no charge is being produced (engine not
> running, ignition on, warning light on). When the appropriate charge is
> being made by the dynamo it negates the power feeding the other side of t=
he
> no charge warning light and the light goes out.   Kind of counterintuitiv=
e.
>
> Perry
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=3D550986> for
> Windows 10
>
>
>
> *From: *Patrick & Caroline Quinn <p_cquinn@tpg.com.au>
> *Sent: *Saturday, May 25, 2019 3:17 AM
> *To: *healeys@autox.team.net
> *Subject: *[Healeys] Ignition Circuit
>
>
>
> Hello
>
>
>
> Seeking advice from those who understand automotive electrics.
>
>
>
> My real Healey has an electric fan in front of the radiator that was
> controlled by a thermo switch. Worked reasonably well, but drew quite a b=
it
> of power but nothing concerning. When on, the amp gauge needle would alwa=
ys
> hover in the negative.
>
>
>
> Personally I don=E2=80=99t like thermo switches, so the fan has now been =
wired
> direct and operated by a discreet switch under the dash. Power is taken
> directly from the outgoing side of the ignition switch so that the fan on=
ly
> comes on when the ignition is on along with the specific switch.
>
>
>
> Works well, but now when the fan goes on the ignition light is illuminate=
d
> and will not go out.
>
>
>
> Does that mean that the ignition circuit doesn=E2=80=99t like what I have=
 done? I
> am thinking of taking the power direct from the incoming side of the
> ignition switch so that the fan is powered direct from the battery. Would
> that work?
>
>
>
> Any electrical whizzes out there?
>
>
>
> Thanks
>
>
>
> Patrick Quinn
>
> Blue Mountains, Australia
>
>
>
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>
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<div dir=3D"auto">Short answer: The car total electric load exceeds the cap=
acity of the generator.=C2=A0 The light comes on when the deficit is being =
made up from the battery.=C2=A0=C2=A0<div dir=3D"auto"><br></div></div><br>=
<div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Ma=
y 25, 2019, 08:11 Perry via Healeys &lt;<a href=3D"mailto:healeys@autox.tea=
m.net">healeys@autox.team.net</a>&gt; wrote:<br></div><blockquote class=3D"=
gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex"><div lang=3D"EN-US" link=3D"blue" vlink=3D"#954F72"><div class=3D=
"m_-1316481709360941036WordSection1"><p class=3D"MsoNormal">Patrick</p><p c=
lass=3D"MsoNormal">The ignition (no charge) warning light does not have a g=
round like most lights on our Austin Healey or Healey=E2=80=99s but ground =
through the =E2=80=9CD=E2=80=9D connector on the dynamo when no charge is b=
eing produced (engine not running, ignition on, warning light on). When the=
 appropriate charge is being made by the dynamo it negates the power feedin=
g the other side of the no charge warning light and the light goes out.=C2=
=A0=C2=A0 Kind of counterintuitive. </p><p class=3D"MsoNormal">Perry</p><p =
class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Sent fro=
m <a href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986"; target=3D"_b=
lank" rel=3D"noreferrer">Mail</a> for Windows 10</p><p class=3D"MsoNormal">=
<u></u>=C2=A0<u></u></p><div style=3D"border:none;border-top:solid #e1e1e1 =
1.0pt;padding:3.0pt 0in 0in 0in"><p class=3D"MsoNormal" style=3D"border:non=
e;padding:0in"><b>From: </b><a href=3D"mailto:p_cquinn@tpg.com.au"; target=
=3D"_blank" rel=3D"noreferrer">Patrick &amp; Caroline Quinn</a><br><b>Sent:=
 </b>Saturday, May 25, 2019 3:17 AM<br><b>To: </b><a href=3D"mailto:healeys=
@autox.team.net" target=3D"_blank" rel=3D"noreferrer">healeys@autox.team.ne=
t</a><br><b>Subject: </b>[Healeys] Ignition Circuit</p></div><p class=3D"Ms=
oNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><span lang=3D"EN-AU=
" style=3D"font-family:&quot;Times New Roman&quot;,serif">Hello<u></u><u></=
u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-AU" style=3D"font-fami=
ly:&quot;Times New Roman&quot;,serif"><u></u>=C2=A0<u></u></span></p><p cla=
ss=3D"MsoNormal"><span lang=3D"EN-AU" style=3D"font-family:&quot;Times New =
Roman&quot;,serif">Seeking advice from those who understand automotive elec=
trics.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-AU" =
style=3D"font-family:&quot;Times New Roman&quot;,serif"><u></u>=C2=A0<u></u=
></span></p><p class=3D"MsoNormal"><span lang=3D"EN-AU" style=3D"font-famil=
y:&quot;Times New Roman&quot;,serif">My real Healey has an electric fan in =
front of the radiator that was controlled by a thermo switch. Worked reason=
ably well, but drew quite a bit of power but nothing concerning. When on, t=
he amp gauge needle would always hover in the negative. <u></u><u></u></spa=
n></p><p class=3D"MsoNormal"><span lang=3D"EN-AU" style=3D"font-family:&quo=
t;Times New Roman&quot;,serif"><u></u>=C2=A0<u></u></span></p><p class=3D"M=
soNormal"><span lang=3D"EN-AU" style=3D"font-family:&quot;Times New Roman&q=
uot;,serif">Personally I don=E2=80=99t like thermo switches, so the fan has=
 now been wired direct and operated by a discreet switch under the dash. Po=
wer is taken directly from the outgoing side of the ignition switch so that=
 the fan only comes on when the ignition is on along with the specific swit=
ch.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-AU" sty=
le=3D"font-family:&quot;Times New Roman&quot;,serif"><u></u>=C2=A0<u></u></=
span></p><p class=3D"MsoNormal"><span lang=3D"EN-AU" style=3D"font-family:&=
quot;Times New Roman&quot;,serif">Works well, but now when the fan goes on =
the ignition light is illuminated and will not go out.<u></u><u></u></span>=
</p><p class=3D"MsoNormal"><span lang=3D"EN-AU" style=3D"font-family:&quot;=
Times New Roman&quot;,serif"><u></u>=C2=A0<u></u></span></p><p class=3D"Mso=
Normal"><span lang=3D"EN-AU" style=3D"font-family:&quot;Times New Roman&quo=
t;,serif">Does that mean that the ignition circuit doesn=E2=80=99t like wha=
t I have done? I am thinking of taking the power direct from the incoming s=
ide of the ignition switch so that the fan is powered direct from the batte=
ry. Would that work?<u></u><u></u></span></p><p class=3D"MsoNormal"><span l=
ang=3D"EN-AU" style=3D"font-family:&quot;Times New Roman&quot;,serif"><u></=
u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-AU" style=
=3D"font-family:&quot;Times New Roman&quot;,serif">Any electrical whizzes o=
ut there?<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-A=
U" style=3D"font-family:&quot;Times New Roman&quot;,serif"><u></u>=C2=A0<u>=
</u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-AU" style=3D"font-fa=
mily:&quot;Times New Roman&quot;,serif">Thanks<u></u><u></u></span></p><p c=
lass=3D"MsoNormal"><span lang=3D"EN-AU" style=3D"font-family:&quot;Times Ne=
w Roman&quot;,serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal">=
<span lang=3D"EN-AU" style=3D"font-family:&quot;Times New Roman&quot;,serif=
">Patrick Quinn<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=
=3D"EN-AU" style=3D"font-family:&quot;Times New Roman&quot;,serif">Blue Mou=
ntains, Australia <u></u><u></u></span></p><div id=3D"m_-131648170936094103=
6DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><p class=3D"MsoNormal"><span lang=3D=
"EN-AU"><u></u>=C2=A0<u></u></span></p><table class=3D"m_-13164817093609410=
36MsoNormalTable" border=3D"1" cellpadding=3D"0" style=3D"border:none;borde=
r-top:solid #d3d4de 1.0pt"><tr><td width=3D"55" style=3D"width:41.25pt;bord=
er:none;padding:9.75pt .75pt .75pt .75pt"><p class=3D"MsoNormal"><a href=3D=
"https://www.avast.com/sig-email?utm_medium=3Demail&amp;utm_source=3Dlink&a=
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t-family:&quot;Arial&quot;,sans-serif;color:#41424e">Virus-free. <a href=3D=
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