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Dave:
Thanks for the reply. The gage drops to zero when either wire is removed
from the sending unit.
All:
Any info on sending unit resistance (even from other Triumph lines such as
the TR4, 250, 6) would be appreciated - I am guessing that the same
supplier (Smiths) was used for multiple lines and that the values would be
somewhat similar.
On Wed, Oct 12, 2022 at 7:29 AM DAVID MASSEY <dave1massey@cs.com> wrote:
> What happens when you leave the wire off of the sending unit? Does the
> gauge still go full-scale or does it read zero? It could be a short in the
> wiring.
>
> Dave
>
>
>
>
> -----Original Message-----
> From: aribert neumann <aribertn@gmail.com>
> To: triumphs@autox.team.net
> Sent: Tue, Oct 11, 2022 7:46 pm
> Subject: [TR] Fuel gage / sending unit issue - Spit bodied GT6
>
> Greetings all. Long time since I've posted, my car has, up till
> yesterday, been behaving itself nicely. Yesterday the driver's door glass
> dropped off of the window regulator as I was trying to wind up the window
> prior to backing out of the garage. Then later the same day the fuel gauge
> suddenly displayed well past a full tank. The tank is at about 1/3 to 1/2
> full.
>
> The water temp gauge is reading correctly so I am thinking the bimetal
> voltage stabilizer is OK. I checked the connections at both the tank and
> gage. I checked that the ground lead at the tank was grounded. I am
> measuring about 67ohm across the sending unit terminals. The Bently
> manual is worthless on this subject - simply stating that there is no
> repair to either gage or sending unit and replacement is the repair
> method. No resistance values given for empty and full tank. Frustrating.
> Before I order a fuel tank sending unit, does anyone know what the ballpark
> resistance values might be? What am I forgetting to check?
>
> TIA. Off in digest mode awaiting your answers.
> ** triumphs@autox.team.net **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs
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Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">Dave:<div>Thanks for the reply.=C2=A0 The gage drops to ze=
ro when either wire is removed from the sending unit.</div><div><br></div><=
div>All:</div><div>Any info on sending unit resistance (even from other Tri=
umph lines such as the TR4, 250, 6) would be appreciated - I am guessing th=
at the same supplier (Smiths) was used for multiple lines and that the valu=
es would be somewhat similar.</div></div><br><div class=3D"gmail_quote"><di=
v dir=3D"ltr" class=3D"gmail_attr">On Wed, Oct 12, 2022 at 7:29 AM DAVID MA=
SSEY <<a href=3D"mailto:dave1massey@cs.com";>dave1massey@cs.com</a>> w=
rote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0p=
x 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div style=3D"color:black;font:12pt Arial,Helvetica,sans-serif">
<div> <font size=3D"3">What happens when you leave the wire off of the send=
ing unit?=C2=A0 Does the gauge still go full-scale or does it read zero?=C2=
=A0 It could be a short in the wiring.</font><br>
</div>
<div> <br>
</div>
<div style=3D"clear:both">
<div style=3D"color:black;font:12pt Arial,Helvetica,sans-serif">
<div style=3D"color:black;font:12pt Arial,Helvetica,sans-serif">
<div><font size=3D"4">Dave <br>
</font></div>
<div><span style=3D"font-size:10pt;font-family:sans-serif;color:black"><br>
</span></div>
<br>
</div>
</div>
</div>
<div> <br>
</div>
<div> <br>
</div>
<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black"><font=
size=3D"2">-----Original Message-----<br>
From: aribert neumann <<a href=3D"mailto:aribertn@gmail.com"; target=3D"_=
blank">aribertn@gmail.com</a>><br>
To: <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triumphs@a=
utox.team.net</a><br>
Sent: Tue, Oct 11, 2022 7:46 pm<br>
Subject: [TR] Fuel gage / sending unit issue - Spit bodied GT6<br>
<br>
<div id=3D"m_142164537886806319yiv9269333458">
<div dir=3D"ltr">Greetings all.=C2=A0 =C2=A0Long time since I've posted=
, my car has, up till yesterday, been behaving itself nicely.=C2=A0 =C2=A0Y=
esterday the driver's door glass dropped off of the window regulator as=
I was trying to wind up the window prior to backing out of the garage.=C2=
=A0 Then later=C2=A0the same day the fuel gauge suddenly displayed well pas=
t a full tank.=C2=A0 The tank is at about 1/3 to 1/2 full.=C2=A0=C2=A0
<div><br>
</div>
<div>The=C2=A0water temp gauge=C2=A0is reading correctly so I am thinking t=
he=C2=A0bimetal voltage stabilizer is OK.=C2=A0 I checked the connections a=
t both the tank and gage.=C2=A0 I checked that the ground lead at the tank =
was grounded.=C2=A0 =C2=A0I am measuring about 67ohm=C2=A0across the sendin=
g unit terminals.=C2=A0 =C2=A0The Bently manual is worthless on this subjec=
t - simply stating that there is no repair to either gage or sending unit a=
nd replacement is the repair method.=C2=A0 No resistance values given for e=
mpty and full tank.=C2=A0 Frustrating.=C2=A0 Before I order a fuel tank sen=
ding unit, does anyone know what the ballpark resistance values might be?=
=C2=A0 =C2=A0What am I forgetting to check?=C2=A0 =C2=A0</div>
<div><br>
</div>
<div>TIA.=C2=A0 =C2=A0Off in digest mode awaiting your answers.</div>
</div>
</div>
** <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triumphs@au=
tox.team.net</a> **<br>
<br>
//www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; target=3D"_blan=
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et/archive" target=3D"_blank">http://www.team.net/archive</a><br>
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ons/triumphs/dave1massey@cs.com</a><br>
</font></div>
</div>
</blockquote></div>
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