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Suggest that you consider powering the fan via a relay (reduces current thr=
ough ign switch) and also an in line fuse for good practice when adding new=
circuits.
Also as Perry says the ign warning light coming on is not a complete disast=
er. It just tells you you are at full capcity and you could probably drive =
for a few hours if your batt is OK. Sounds like you have an ammeter - just =
keep an eye on it when using the fan and note the discharge the current - =
probably less than 5A - and note too the increased make up charging current=
after you switch off the fan.rg
----- Original Message -----
From: Patrick & Caroline Quinn <p_cquinn@tpg.com.au>
To: 'Michael Salter' <michaelsalter@gmail.com>
Cc: healeys@autox.team.net
Sent: Sat, 25 May 2019 05:24:07 -0600 (MDT)
Subject: Re: [Healeys] Ignition Circuit
<!--
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-->Hello Michael And to obtain a wiring harness for a real Healey would mea=
n that it has to be specially made. Thanks Patrick Quinn From: Michael Salt=
er [mailto:michaelsalter@gmail.com]=20
Sent: Saturday, 25 May 2019 9:09 PM
To: Patrick and Caroline Quinn
Cc: healeys@autox.team.net
Subject: Re: [Healeys] Ignition Circuit Hi Patrick, I would agree that usi=
ng the fused connection on the "ignition switched" side of the fuse block a=
s the source would be a good idea. The ignition switch is not fuse protecte=
d so by using that as a source you do run a risk of "letting the smoke out"=
should a short to ground occur in your fan system. You may find that the e=
lectrical demands of your fan are more than the fuses can handle as the sys=
tem was not designed with heavy continuous loads in mind. To circumvent tha=
t issue you could use the unfused side of the "ignition switched" section o=
f the fuse block as the source and install an "in line" fuse to protect the=
fan circuit. I cannot overemphasize the importance of protecting the fan c=
ircuit with a fuse, it very easy to damage a wiring harness and replacing o=
ne is a major undertaking. M On Sat, May 25, 2019, 3:17 AM Patrick & Carol=
ine Quinn, <p_cquinn@tpg.com.au> wrote:Hello Seeking advice from those who =
understand automotive electrics. My real Healey has an electric fan in fron=
t of the radiator that was controlled by a thermo switch. Worked reasonably=
well, but drew quite a bit of power but nothing concerning. When on, the a=
mp gauge needle would always hover in the negative. Personally I don=E2=80=
=99t like thermo switches, so the fan has now been wired direct and operate=
d by a discreet switch under the dash. Power is taken directly from the out=
going side of the ignition switch so that the fan only comes on when the ig=
nition is on along with the specific switch. Works well, but now when the f=
an goes on the ignition light is illuminated 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 QuinnBlue Mountains, Aus=
tralia Virus-free. www.avast.com___________________________________________=
____
Archive: http://www.team.net/pipermail/healeyshttp://autox.team.net/archive
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
lter@gmail.com
------=_Part_314116451_187728644.1558801423695
Content-Transfer-Encoding: quoted-printable
<html><head><style> body {height: 100%; color:#000000; font-size:12pt; font=
-family:arial,helvetica,sans-serif;}</style></head><body><div><div>Suggest =
that you consider powering the fan via a relay (reduces current through ign=
switch) and also an in line fuse for good practice when adding new circuit=
s.<br></div><div>Also as Perry says the ign warning light coming on is not =
a complete disaster. It just tells you you are at full capcity and you coul=
d probably drive for a few hours if your batt is OK. Sounds like you have a=
n ammeter - just keep an eye on it when using the fan and note the discharg=
e the current - probably less than 5A - and note too the increased ma=
ke up charging current after you switch off the fan.</div><div>rg</div></di=
v><div><br></div><div>----- Original Message -----<br>From: Patrick & C=
aroline Quinn <p_cquinn@tpg.com.au><br>To: 'Michael Salter' <micha=
elsalter@gmail.com><br>Cc: healeys@autox.team.net<br>Sent: Sat, 25 May 2=
019 05:24:07 -0600 (MDT)<br>Subject: Re: [Healeys] Ignition Circuit<br></di=
v><div><br></div><style><!--<br><div><br></div>@font-face<br>=09{font-famil=
y:"Cambria Math";<br>=09panose-1:2 4 5 3 5 4 6 3 2 4;}<br>@font-face<br>=09=
{font-family:Calibri;<br>=09panose-1:2 15 5 2 2 2 4 3 2 4;}<br>@font-face<b=
r>=09{font-family:Tahoma;<br>=09panose-1:2 11 6 4 3 5 4 4 2 4;}<br><div><br=
></div>p.MsoNormal, li.MsoNormal, div.MsoNormal<br>=09{margin:0cm;<br>=09ma=
rgin-bottom:.0001pt;<br>=09font-size:12.0pt;<br>=09font-family:"Times New R=
oman","serif";}<br>a:link, span.MsoHyperlink<br>=09{mso-style-priority:99;<=
br>=09color:blue;<br>=09text-decoration:underline;}<br>a:visited, span.MsoH=
yperlinkFollowed<br>=09{mso-style-priority:99;<br>=09color:purple;<br>=09te=
xt-decoration:underline;}<br>span.EmailStyle17<br>=09{mso-style-type:person=
al-reply;<br>=09font-family:"Times New Roman","serif";<br>=09color:windowte=
xt;}<br>.MsoChpDefault<br>=09{mso-style-type:export-only;<br>=09font-family=
:"Calibri","sans-serif";<br>=09mso-fareast-language:EN-US;}<br>@page WordSe=
ction1<br>=09{size:612.0pt 792.0pt;<br>=09margin:72.0pt 72.0pt 72.0pt 72.0p=
t;}<br>div.WordSection1<br>=09{page:WordSection1;}<br>--></style><div class=
=3D"WordSection1"><p class=3D"MsoNormal"><span style=3D"font-size: 11.0pt;"=
data-mce-style=3D"font-size: 11.0pt;">Hello Michael</span></p><p class=3D"=
MsoNormal"><span style=3D"font-size: 11.0pt;" data-mce-style=3D"font-size: =
11.0pt;"> </span></p><p class=3D"MsoNormal"><span style=3D"font-size: =
11.0pt;" data-mce-style=3D"font-size: 11.0pt;">And to obtain a wiring harne=
ss for a real Healey would mean that it has to be specially made.</span></p=
><p class=3D"MsoNormal"><span style=3D"font-size: 11.0pt;" data-mce-style=
=3D"font-size: 11.0pt;"> </span></p><p class=3D"MsoNormal"><span style=
=3D"font-size: 11.0pt;" data-mce-style=3D"font-size: 11.0pt;">Thanks</span>=
</p><p class=3D"MsoNormal"><span style=3D"font-size: 11.0pt;" data-mce-styl=
e=3D"font-size: 11.0pt;"> </span></p><p class=3D"MsoNormal"><span styl=
e=3D"font-size: 11.0pt;" data-mce-style=3D"font-size: 11.0pt;">Patrick Quin=
n</span></p><p class=3D"MsoNormal"><span style=3D"font-size: 11.0pt;" data-=
mce-style=3D"font-size: 11.0pt;"> </span></p><p class=3D"MsoNormal"><b=
><span style=3D"font-size: 10.0pt; font-family: 'Tahoma','sans-serif';" dat=
a-mce-style=3D"font-size: 10.0pt; font-family: 'Tahoma','sans-serif';" lang=
=3D"EN-US">From:</span></b><span style=3D"font-size: 10.0pt; font-family: '=
Tahoma','sans-serif';" data-mce-style=3D"font-size: 10.0pt; font-family: 'T=
ahoma','sans-serif';" lang=3D"EN-US"> Michael Salter [mailto:michaelsalter@=
gmail.com] <br><b>Sent:</b> Saturday, 25 May 2019 9:09 PM<br><b>To:</b> Pat=
rick and Caroline Quinn<br><b>Cc:</b> healeys@autox.team.net<br><b>Subject:=
</b> Re: [Healeys] Ignition Circuit</span></p><p class=3D"MsoNormal"> =
</p><div><p class=3D"MsoNormal">Hi Patrick, I would agree that using =
the fused connection on the "ignition switched" side of the fuse block as t=
he source would be a good idea. The ignition switch is not fuse protec=
ted so by using that as a source you do run a risk of "letting the smoke ou=
t" should a short to ground occur in your fan system. </p><div><p clas=
s=3D"MsoNormal">You may find that the electrical demands of your fan are mo=
re than the fuses can handle as the system was not designed with heavy cont=
inuous loads in mind. </p></div><div><p class=3D"MsoNormal">To circumv=
ent that issue you could use the unfused side of the "<span style=3D"font-f=
amily: 'Arial','sans-serif';" data-mce-style=3D"font-family: 'Arial','sans-=
serif';">ignition switched" section of the fuse block as the source and ins=
tall an "in line" fuse to protect the fan circuit. </span></p></div><d=
iv><p class=3D"MsoNormal"><span style=3D"font-family: 'Arial','sans-serif';=
" data-mce-style=3D"font-family: 'Arial','sans-serif';">I cannot overemphas=
ize the importance of protecting the fan circuit with a fuse, it very easy =
to damage a wiring harness and replacing one is a major undertaking. <=
/span></p></div><div><p class=3D"MsoNormal"> </p></div><div><p class=
=3D"MsoNormal"><span style=3D"font-family: 'Arial','sans-serif';" data-mce-=
style=3D"font-family: 'Arial','sans-serif';">M</span></p></div></div><p cla=
ss=3D"MsoNormal"> </p><div><div><p class=3D"MsoNormal">On Sat, May 25,=
2019, 3:17 AM Patrick & Caroline Quinn, <<a href=3D"mailto:p_cquinn=
@tpg.com.au" target=3D"_blank" data-mce-href=3D"mailto:p_cquinn@tpg.com.au"=
>p_cquinn@tpg.com.au</a>> wrote:</p></div><blockquote style=3D"border: n=
one; border-left: solid #CCCCCC 1.0pt; padding: 0cm 0cm 0cm 6.0pt; margin-l=
eft: 4.8pt; margin-right: 0cm;" data-mce-style=3D"border: none; border-left=
: solid #CCCCCC 1.0pt; padding: 0cm 0cm 0cm 6.0pt; margin-left: 4.8pt; marg=
in-right: 0cm;"><div><div><p class=3D"MsoNormal" style=3D"mso-margin-top-al=
t: auto; mso-margin-bottom-alt: auto;" data-mce-style=3D"mso-margin-top-alt=
: auto; mso-margin-bottom-alt: auto;">Hello</p><p class=3D"MsoNormal" style=
=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" data-mce-style=
=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> </p><p cl=
ass=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt:=
auto;" data-mce-style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: =
auto;">Seeking advice from those who understand automotive electrics.</p><p=
class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom-a=
lt: auto;" data-mce-style=3D"mso-margin-top-alt: auto; mso-margin-bottom-al=
t: auto;"> </p><p class=3D"MsoNormal" style=3D"mso-margin-top-alt: aut=
o; mso-margin-bottom-alt: auto;" data-mce-style=3D"mso-margin-top-alt: auto=
; mso-margin-bottom-alt: auto;">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 bit of power but nothing concerning. When on, the am=
p gauge needle would always hover in the negative.</p><p class=3D"MsoNormal=
" style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" data-mce=
-style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> </p=
><p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-botto=
m-alt: auto;" data-mce-style=3D"mso-margin-top-alt: auto; mso-margin-bottom=
-alt: auto;">Personally I don=E2=80=99t like thermo switches, so the fan ha=
s now been wired direct and operated by a discreet switch under the dash. P=
ower is taken directly from the outgoing side of the ignition switch so tha=
t the fan only comes on when the ignition is on along with the specific swi=
tch.</p><p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margi=
n-bottom-alt: auto;" data-mce-style=3D"mso-margin-top-alt: auto; mso-margin=
-bottom-alt: auto;"> </p><p class=3D"MsoNormal" style=3D"mso-margin-to=
p-alt: auto; mso-margin-bottom-alt: auto;" data-mce-style=3D"mso-margin-top=
-alt: auto; mso-margin-bottom-alt: auto;">Works well, but now when the fan =
goes on the ignition light is illuminated and will not go out.</p><p class=
=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: au=
to;" data-mce-style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: aut=
o;"> </p><p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso=
-margin-bottom-alt: auto;" data-mce-style=3D"mso-margin-top-alt: auto; mso-=
margin-bottom-alt: auto;">Does that mean that the ignition circuit doesn=E2=
=80=99t like what I have done? I am thinking of taking the power direct fro=
m the incoming side of the ignition switch so that the fan is powered direc=
t from the battery. Would that work?</p><p class=3D"MsoNormal" style=3D"mso=
-margin-top-alt: auto; mso-margin-bottom-alt: auto;" data-mce-style=3D"mso-=
margin-top-alt: auto; mso-margin-bottom-alt: auto;"> </p><p class=3D"M=
soNormal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" =
data-mce-style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">A=
ny electrical whizzes out there?</p><p class=3D"MsoNormal" style=3D"mso-mar=
gin-top-alt: auto; mso-margin-bottom-alt: auto;" data-mce-style=3D"mso-marg=
in-top-alt: auto; mso-margin-bottom-alt: auto;"> </p><p class=3D"MsoNo=
rmal" style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" data=
-mce-style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">Thank=
s</p><p class=3D"MsoNormal" style=3D"mso-margin-top-alt: auto; mso-margin-b=
ottom-alt: auto;" data-mce-style=3D"mso-margin-top-alt: auto; mso-margin-bo=
ttom-alt: auto;"> </p><p class=3D"MsoNormal" style=3D"mso-margin-top-a=
lt: auto; mso-margin-bottom-alt: auto;" data-mce-style=3D"mso-margin-top-al=
t: auto; mso-margin-bottom-alt: auto;">Patrick Quinn</p><p class=3D"MsoNorm=
al" style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;" data-m=
ce-style=3D"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">Blue Mo=
untains, Australia</p></div><div id=3D"m_8615921404074116746m_5222258684688=
57056DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><p class=3D"MsoNormal"> </p=
><table class=3D"MsoNormalTable" style=3D"border: none; border-top: solid #=
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
--===============6344503107185735907==--
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