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Jim;
Can't say about a TR4 but, in my '74 TR6, when both the gas gauge and the
temp
gauge don't work, it's a loose fuse in the holder (both run off the same
fuse).
Check the fuse connections....
Dave
On Sun, Aug 18, 2019 at 11:40 AM Jim Henningsen <trguy75@gmail.com> wrote:
> Thanks all for the feedback. I=E2=80=99m heading out this afternoon for =
some
> tinkering. I didn=E2=80=99t mention this since I didn=E2=80=99t think re=
lated, but the
> temp gauge is also not working, and didn=E2=80=99t realize it might be th=
e voltage
> stabilizer unit. Hmmmnn.
>
> Jim Henningsen
>
>
>
> *From:* Randall <tr3driver@ca.rr.com>
> *Sent:* Saturday, August 17, 2019 8:25 PM
> *To:* Jim Henningsen <trguy75@gmail.com>; 'Triumphs' <
> triumphs@autox.team.net>
> *Subject:* RE: [TR] Fuel gauge troubles
>
>
>
> Quick and dirty test : Remove the wire from the sender, turn the key on,
> and ground the wire while watching the gauge. If the gauge starts to cli=
mb
> towards full, then the gauge & wiring to it are probably OK. Probably be=
st
> to not leave it this way for long, but a few minutes won=E2=80=99t hurt.
>
>
>
> My next suspect (especially since it worked before restoration) would be
> the grounding for the sender. IIRC the TR4 grounds the same as TR3,
> meaning not very well. I like to add a ground wire from the stud on the
> sender to one of the tank mounting bolts.
>
>
>
> Use an ohmmeter to check the sender. I don=E2=80=99t recall the exact nu=
mbers
> offhand, but it=E2=80=99s something like 100 ohms empty and 10 ohms full.=
If it
> seems to work backwards (low resistance empty and high resistance full),
> you=E2=80=99ve got a TR3 sender instead of TR4.
>
>
>
> Also worth checking the temp gauge if the first test above doesn=E2=80=99=
t work.
> Do the same thing, pull the wire off the sender and ground it. If temp
> gauge doesn=E2=80=99t respond either, it=E2=80=99s probably the voltage s=
tabilizer. Seems
> like maybe it=E2=80=99s mounted over in the passenger footwell on a TR4, =
but
> honestly I don=E2=80=99t recall for sure.
>
>
>
> -- Randall
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=3D550986> for
> Windows 10
>
>
>
> *From: *Jim Henningsen <trguy75@gmail.com>
> *Sent: *Saturday, August 17, 2019 6:54 PM
> *To: *'Triumphs' <triumphs@autox.team.net>
> *Subject: *[TR] Fuel gauge troubles
>
>
>
> Help, I'm calling the TR bat phone again. Switching projects to get my c=
ar
>
> ready for AACC southeastern fall nationals on Mobile AL. 1962 TR4
> CT5212LO.
>
> Fuel gauge worked prior to restoration but not after. Car is switched to
>
> neg ground. Orig fuel sender float was sunk in tank. Removed it and
>
> verified there is gas in it. Hoping there is a way to rebuild it since
> orig
>
> part. Put in a new sending unit from TRF this morning and added 7 gallon=
s
>
> of gas and it still doesn't work but float rises. The needle moved ever =
so
>
> slightly right above E then dropped back down with ignition on. I even
> used
>
> a coat hanger to manually raise the float in the gas tank to "full" with
>
> ignition on but needle still didn't work. Ignition in "On" position, but
>
> not running.
>
>
>
> My thoughts.
>
> 1. Bad gauge?
>
> 2. Wires reversed on fuel gauge from resto impacting since it is neg not
>
> original positive ground. Running generator that has been polarized to n=
eg
>
> ground.
>
> 3. connections at new sending unit not secure. Neg is to ground and
> positive
>
> to pos on sending unit
>
> 4. new sender bad
>
>
>
> Any thoughts on the possible easy fix before going through the list
>
> tomorrow. Also, if anyone is looking for a nice 73 Stag with hardtop,
>
> manual tran, that has been owned by a TR owner of 60+ tyears and avid VTR
>
> member, it is for sale in Tally. I am trying to help the family find a
> home
>
> for it. Email me offline if you would like pics and contact info.
>
>
>
> Many thanks,
>
> Jim Henningsen
>
> Ocala, FL
>
> 60 TR3A
>
> 61 TR3A
>
> 62 TR4
>
> 75 TR6
>
>
>
>
>
> ** triumphs@autox.team.net **
>
>
>
> Donate: http://www.team.net/donate.html
>
> Archive: http://www.team.net/pipermail/triumphs
> http://www.team.net/archive
>
>
>
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>
>
> ** triumphs@autox.team.net **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs
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>
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>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:comic sa=
ns ms,sans-serif;font-size:large;color:#000099">Jim;</div><div class=3D"gma=
il_default" style=3D"font-family:comic sans ms,sans-serif;font-size:large;c=
olor:#000099"><br></div><div class=3D"gmail_default" style=3D"font-family:c=
omic sans ms,sans-serif;font-size:large;color:#000099">Can't say about =
a TR4 but, in my '74 TR6, when both the gas gauge and the temp=C2=A0</d=
iv><div class=3D"gmail_default" style=3D"font-family:comic sans ms,sans-ser=
if;font-size:large;color:#000099">gauge don't work, it's a loose fu=
se in the holder (both run off the same fuse).=C2=A0</div><div class=3D"gma=
il_default" style=3D"font-family:comic sans ms,sans-serif;font-size:large;c=
olor:#000099">Check the fuse connections....</div><div class=3D"gmail_defau=
lt" style=3D"font-family:comic sans ms,sans-serif;font-size:large;color:#00=
0099"><br></div><div class=3D"gmail_default" style=3D"font-family:comic san=
s ms,sans-serif;font-size:large;color:#000099">Dave</div><div class=3D"gmai=
l_default" style=3D"font-family:comic sans ms,sans-serif;font-size:large;co=
lor:#000099"><br></div><div class=3D"gmail_default" style=3D"font-family:co=
mic sans ms,sans-serif;font-size:large;color:#000099"><br></div></div><br><=
div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Aug=
18, 2019 at 11:40 AM Jim Henningsen <<a href=3D"mailto:trguy75@gmail.co=
m">trguy75@gmail.com</a>> wrote:<br></div><blockquote class=3D"gmail_quo=
te" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204=
);padding-left:1ex"><div lang=3D"EN-US"><div class=3D"gmail-m_-146267355791=
7112417WordSection1"><p class=3D"MsoNormal">Thanks all for the feedback.=C2=
=A0 I=E2=80=99m heading out this afternoon for some tinkering.=C2=A0 I didn=
=E2=80=99t mention this since I didn=E2=80=99t think related, but the temp =
gauge is also not working, and didn=E2=80=99t realize it might be the volta=
ge stabilizer unit.=C2=A0 Hmmmnn.<u></u><u></u></p><p class=3D"MsoNormal">J=
im Henningsen <u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u>=
</p><div><div style=3D"border-right:none;border-bottom:none;border-left:non=
e;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in"><p class=3D"Ms=
oNormal"><b>From:</b> Randall <<a href=3D"mailto:tr3driver@ca.rr.com"; ta=
rget=3D"_blank">tr3driver@ca.rr.com</a>> <br><b>Sent:</b> Saturday, Augu=
st 17, 2019 8:25 PM<br><b>To:</b> Jim Henningsen <<a href=3D"mailto:trgu=
y75@gmail.com" target=3D"_blank">trguy75@gmail.com</a>>; 'Triumphs&#=
39; <<a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triump=
hs@autox.team.net</a>><br><b>Subject:</b> RE: [TR] Fuel gauge troubles<u=
></u><u></u></p></div></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>=
<p class=3D"MsoNormal">Quick and dirty test : Remove the wire from the send=
er, turn the key on, and ground the wire while watching the gauge.=C2=A0 If=
the gauge starts to climb towards full, then the gauge & wiring to it =
are probably OK.=C2=A0 Probably best to not leave it this way for long, but=
a few minutes won=E2=80=99t hurt.<u></u><u></u></p><p class=3D"MsoNormal">=
<u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">My next suspect (especially =
since it worked before restoration) would be the grounding for the sender.=
=C2=A0 IIRC the TR4 grounds the same as TR3, meaning not very well.=C2=A0 I=
like to add a ground wire from the stud on the sender to one of the tank m=
ounting bolts.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u>=
</p><p class=3D"MsoNormal">Use an ohmmeter to check the sender.=C2=A0 I don=
=E2=80=99t recall the exact numbers offhand, but it=E2=80=99s something lik=
e 100 ohms empty and 10 ohms full.=C2=A0 If it seems to work backwards (low=
resistance empty and high resistance full), you=E2=80=99ve got a TR3 sende=
r instead of TR4.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u><=
/u></p><p class=3D"MsoNormal">Also worth checking the temp gauge if the fir=
st test above doesn=E2=80=99t work.=C2=A0 Do the same thing, pull the wire =
off the sender and ground it.=C2=A0 If temp gauge doesn=E2=80=99t respond e=
ither, it=E2=80=99s probably the voltage stabilizer.=C2=A0 Seems like maybe=
it=E2=80=99s mounted over in the passenger footwell on a TR4, but honestly=
I don=E2=80=99t recall for sure.<u></u><u></u></p><p class=3D"MsoNormal"><=
u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">-- Randall<u></u><u></u></p><=
p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Sent f=
rom <a href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986"; target=3D"=
_blank">Mail</a> for Windows 10<u></u><u></u></p><p class=3D"MsoNormal"><u>=
</u>=C2=A0<u></u></p><div style=3D"border-right:none;border-bottom:none;bor=
der-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in"><p=
class=3D"MsoNormal"><b>From: </b><a href=3D"mailto:trguy75@gmail.com"; targ=
et=3D"_blank">Jim Henningsen</a><br><b>Sent: </b>Saturday, August 17, 2019 =
6:54 PM<br><b>To: </b><a href=3D"mailto:triumphs@autox.team.net"; target=3D"=
_blank">'Triumphs'</a><br><b>Subject: </b>[TR] Fuel gauge troubles<=
u></u><u></u></p></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p cl=
ass=3D"MsoNormal">Help, I'm calling the TR bat phone again.=C2=A0 Switc=
hing projects to get my car<u></u><u></u></p><p class=3D"MsoNormal">ready f=
or AACC southeastern fall nationals on Mobile AL.=C2=A0 1962 TR4 CT5212LO.<=
u></u><u></u></p><p class=3D"MsoNormal">Fuel gauge worked prior to restorat=
ion but not after.=C2=A0 Car is switched to<u></u><u></u></p><p class=3D"Ms=
oNormal">neg ground.=C2=A0 Orig fuel sender float was sunk in tank.=C2=A0 R=
emoved it and<u></u><u></u></p><p class=3D"MsoNormal">verified there is gas=
in it.=C2=A0 Hoping there is a way to rebuild it since orig<u></u><u></u><=
/p><p class=3D"MsoNormal">part.=C2=A0 Put in a new sending unit from TRF th=
is morning and added 7 gallons<u></u><u></u></p><p class=3D"MsoNormal">of g=
as and it still doesn't work but float rises.=C2=A0 The needle moved ev=
er so<u></u><u></u></p><p class=3D"MsoNormal">slightly right above E then d=
ropped back down with ignition on.=C2=A0 I even used<u></u><u></u></p><p cl=
ass=3D"MsoNormal">a coat hanger to manually raise the float in the gas tank=
to "full" with<u></u><u></u></p><p class=3D"MsoNormal">ignition =
on but needle still didn't work.=C2=A0 Ignition in "On" posit=
ion, but<u></u><u></u></p><p class=3D"MsoNormal">not running.=C2=A0 <u></u>=
<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNo=
rmal">My thoughts.<u></u><u></u></p><p class=3D"MsoNormal">1. Bad gauge?<u>=
</u><u></u></p><p class=3D"MsoNormal">2. Wires reversed on fuel gauge from =
resto impacting since it is neg not<u></u><u></u></p><p class=3D"MsoNormal"=
>original positive ground.=C2=A0 Running generator that has been polarized =
to neg<u></u><u></u></p><p class=3D"MsoNormal">ground.=C2=A0 <u></u><u></u>=
</p><p class=3D"MsoNormal">3. connections at new sending unit not secure. N=
eg is to ground and positive<u></u><u></u></p><p class=3D"MsoNormal">to pos=
on sending unit<u></u><u></u></p><p class=3D"MsoNormal">4. new sender bad<=
u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D=
"MsoNormal">Any thoughts on the possible easy fix before going through the =
list<u></u><u></u></p><p class=3D"MsoNormal">tomorrow.=C2=A0 Also, if anyon=
e is looking for a nice 73 Stag with hardtop,<u></u><u></u></p><p class=3D"=
MsoNormal">manual tran, that has been owned by a TR owner of 60+ tyears and=
avid VTR<u></u><u></u></p><p class=3D"MsoNormal">member, it is for sale in=
Tally.=C2=A0 I am trying to help the family find a home<u></u><u></u></p><=
p class=3D"MsoNormal">for it.=C2=A0 Email me offline if you would like pics=
and contact info.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u>=
</u></p><p class=3D"MsoNormal">Many thanks,<u></u><u></u></p><p class=3D"Ms=
oNormal">Jim Henningsen<u></u><u></u></p><p class=3D"MsoNormal">Ocala, FL<u=
></u><u></u></p><p class=3D"MsoNormal">60 TR3A<u></u><u></u></p><p class=3D=
"MsoNormal">61 TR3A<u></u><u></u></p><p class=3D"MsoNormal">62 TR4<u></u><u=
></u></p><p class=3D"MsoNormal">75 TR6<u></u><u></u></p><p class=3D"MsoNorm=
al"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>=
<p class=3D"MsoNormal">** <a href=3D"mailto:triumphs@autox.team.net"; target=
=3D"_blank">triumphs@autox.team.net</a> **<u></u><u></u></p><p class=3D"Mso=
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