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Re: [Healeys] Ballast resistor wiring question

To: Michael Oritt <michael.oritt@gmail.com>, Michael Salter <michaelsalter@gmail.com>
Subject: Re: [Healeys] Ballast resistor wiring question
From: jim via Healeys <healeys@autox.team.net>
Date: Thu, 26 Dec 2019 17:52:11 +0000 (UTC)
Cc: Austin Healey <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CAPTa0B53TDm6xcgpDQ51vAGZEeKtehfwYhyh0tbKZ=ZcXT6LgA@mail.gmail.com> <f931f39c-f907-20f4-e735-1a7d1b18e2d5@earthlink.net> <CAPTa0B72rCiFwvH-YCWzmKZEpRdmf1C7MXfc12C6s6qCbYG1Fw@mail.gmail.com> <CAB3i7LLdKC_hVpfjUwgGJXom_9H6q6GXNki6Yg+GW=AsYMWKoA@mail.gmail.com> Linux x86_64; rv:69.0) Gecko/20100101 Firefox/69.0
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 Careful ...don't confuse OHMS with WATTS ...
R=3DE/I (resistance in ohms equals voltage divided by current)
P=3DIE=C2=A0 (power in watts equals current multiplied by volts


    On Thursday, December 26, 2019, 3:04:18 PM UTC, Michael Salter <michael=
salter@gmail.com> wrote: =20
=20
 After due consideration I've come to realize that there is a problem with =
the planed resistor installation.=C2=A0The original Lucas "thermal " type f=
lasher unit is rated at 42 watts.=C2=A0The resistors that are shown on the =
Moss web site are 50 watt.=C2=A0If you were to install such a resistor, to =
simulate the load, on each turn signal bulb the load through the flasher un=
it, when the signals were selected, would be 100 watts PLUS whatever the LE=
D lamps drew. This would result in 8.3 amps flowing through the flasher uni=
t=C2=A0 ... probably enough to burn it out!!I would think that a far better=
 solution would be to install two 50 watt resistors.On the turn signal rela=
y (that mysterious metal box mounted on the left front inner fender). One 5=
0 watt resistor would be installed between terminal 2 and ground and the ot=
her between terminal 6 and ground.Those original flasher units are becoming=
 VERY hard to find so it would be a pity to cook any more of them.
M

On Tue, Dec 24, 2019, 10:30 AM Michael Oritt, <michael.oritt@gmail.com> wro=
te:

Thanks all.=C2=A0 What Kees says flies=C2=A0in the face of both Moss's (sli=
ghtly inarticulate) instructions as well=C2=A0as the consensus of the group=
.=C2=A0 I=C2=A0will=C2=A0install ONE resistor in the flasher lead of each l=
amp, two--not four--resistors total.
Best--Michael Oritt
On Tue, Dec 24, 2019 at 10:22 AM Bob Haskell <rchaskell@earthlink.net> wrot=
e:

Per the Moss video, you're creating a new ground path to prevent all=20
lights blinking when you turn on the left or right turn signal.=C2=A0 So=20
connect the ballast resistors to the turn signal circuit.

Cheers,

Bob Haskell
Austin Healey 3000 BN7/BT7 registrar

On 12/24/19 9:22 AM, Michael Oritt wrote:
> I purchased two of the Moss 170-941 red LED bulbs to use as=20
> tail-lights/brake-lights to replace the standard 1157 dual filament=20
> bulbs on my 100 (I have the reflector pods electrified and wired for=20
> turn signals).=C2=A0 In addition to the bulbs I also purchased, at Moss's=
=20
> suggestion, two 170-965 Load Resistors.
>=20
> The instructions for installation of the resistors simply talk about the=
=20
> resistor's being installed between the power and ground leads to each=20
> fixture but it does not specify which power lead.=C2=A0 My question is: =
=C2=A0do I=20
> connect the ground lead to the tail light power lead or the turn signal=
=20
> power lead or does it matter?=C2=A0 I cannot envision connecting it to bo=
th=20
> as that would defeat their separate function.
>=20
> TIA....Michael Oritt
>=20
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation=C2=A0 $12.75
>=20
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/arch=
ive
>=20
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/rchaske=
ll@earthlink.net
>=20

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lter@gmail.com


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oo.com

 =20
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<html><head></head><body><div class=3D"ydpacdaef4ayahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">Careful ...don't confuse OHM=
S with WATTS ...</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div=
 dir=3D"ltr" data-setdir=3D"false">R=3DE/I (resistance in ohms equals volta=
ge divided by current)</div><div dir=3D"ltr" data-setdir=3D"false"><br></di=
v><div dir=3D"ltr" data-setdir=3D"false">P=3DIE&nbsp; (power in watts equal=
s current multiplied by volts</div><div dir=3D"ltr" data-setdir=3D"false"><=
br></div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div><br></div>
       =20
        </div><div id=3D"ydp7ffa416cyahoo_quoted_8375185263" class=3D"ydp7f=
fa416cyahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                    On Thursday, December 26, 2019, 3:04:18 PM UTC, Michael=
 Salter &lt;michaelsalter@gmail.com&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div id=3D"ydp7ffa416cyiv6161049322"><div><div>After d=
ue consideration I've come to realize that there is a problem with the plan=
ed resistor installation.&nbsp;<div>The original Lucas "thermal " type flas=
her unit is rated at 42 watts.&nbsp;</div><div>The resistors that are shown=
 on the Moss web site are 50 watt.&nbsp;</div><div>If you were to install s=
uch a resistor, to simulate the load, on each turn signal bulb the load thr=
ough the flasher unit, when the signals were selected, would be 100 watts P=
LUS whatever the LED lamps drew. This would result in 8.3 amps flowing thro=
ugh the flasher unit&nbsp; ... probably enough to burn it out!!</div><div>I=
 would think that a far better solution would be to install two 50 watt res=
istors.</div><div>On the turn signal relay (that mysterious metal box mount=
ed on the left front inner fender). One 50 watt resistor would be installed=
 between terminal 2 and ground and the other between terminal 6 and ground.=
</div><div>Those original flasher units are becoming VERY hard to find so i=
t would be a pity to cook any more of them.</div><div><br></div><div>M</div=
><br><br><div class=3D"ydp7ffa416cyiv6161049322gmail_quote"><div dir=3D"ltr=
" class=3D"ydp7ffa416cyiv6161049322gmail_attr">On Tue, Dec 24, 2019, 10:30 =
AM Michael Oritt, &lt;<a href=3D"mailto:michael.oritt@gmail.com"; rel=3D"nof=
ollow" target=3D"_blank">michael.oritt@gmail.com</a>&gt; wrote:<br></div><b=
lockquote class=3D"ydp7ffa416cyiv6161049322gmail_quote" style=3D"margin:0 0=
 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div dir=3D"ltr"><div=
 class=3D"ydp7ffa416cyiv6161049322gmail_default" style=3D"color:#3333ff;">T=
hanks all.&nbsp; What Kees says flies&nbsp;in the face of both Moss's (slig=
htly inarticulate) instructions as well&nbsp;as the consensus of the group.=
&nbsp; I&nbsp;will&nbsp;install ONE resistor in the flasher lead of each la=
mp, two--not four--resistors total.</div><div class=3D"ydp7ffa416cyiv616104=
9322gmail_default" style=3D"color:#3333ff;"><br></div><div class=3D"ydp7ffa=
416cyiv6161049322gmail_default" style=3D"color:#3333ff;">Best--Michael Orit=
t</div></div><br><div class=3D"ydp7ffa416cyiv6161049322gmail_quote"><div di=
r=3D"ltr" class=3D"ydp7ffa416cyiv6161049322gmail_attr">On Tue, Dec 24, 2019=
 at 10:22 AM Bob Haskell &lt;<a href=3D"mailto:rchaskell@earthlink.net"; rel=
=3D"nofollow" target=3D"_blank">rchaskell@earthlink.net</a>&gt; wrote:<br><=
/div><blockquote class=3D"ydp7ffa416cyiv6161049322gmail_quote" style=3D"mar=
gin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1=
ex;">Per the Moss video, you're creating a new ground path to prevent all <=
br>
lights blinking when you turn on the left or right turn signal.&nbsp; So <b=
r>
connect the ballast resistors to the turn signal circuit.<br>
<br>
Cheers,<br>
<br>
Bob Haskell<br>
Austin Healey 3000 BN7/BT7 registrar<br>
<br>
On 12/24/19 9:22 AM, Michael Oritt wrote:<br>
&gt; I purchased two of the Moss 170-941 red LED bulbs to use as <br>
&gt; tail-lights/brake-lights to replace the standard 1157 dual filament <b=
r>
&gt; bulbs on my 100 (I have the reflector pods electrified and wired for <=
br>
&gt; turn signals).&nbsp; In addition to the bulbs I also purchased, at Mos=
s's <br>
&gt; suggestion, two 170-965 Load Resistors.<br>
&gt; <br>
&gt; The instructions for installation of the resistors simply talk about t=
he <br>
&gt; resistor's being installed between the power and ground leads to each =
<br>
&gt; fixture but it does not specify which power lead.&nbsp; My question is=
: &nbsp;do I <br>
&gt; connect the ground lead to the tail light power lead or the turn signa=
l <br>
&gt; power lead or does it matter?&nbsp; I cannot envision connecting it to=
 both <br>
&gt; as that would defeat their separate function.<br>
&gt; <br>
&gt; TIA....Michael Oritt<br>
&gt; <br>
&gt; _______________________________________________<br>
&gt; Support Team.Net <a href=3D"http://www.team.net/donate.html"; rel=3D"no=
follow" target=3D"_blank">http://www.team.net/donate.html</a><br>
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</blockquote></div>
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