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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 related, but the temp gauge is also not working, and =
didn=E2=80=99t realize it might be the voltage stabilizer unit. Hmmmnn.
Jim Henningsen=20
=20
From: Randall <tr3driver@ca.rr.com>=20
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
=20
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 =
climb towards full, then the gauge & wiring to it are probably OK. =
Probably best to not leave it this way for long, but a few minutes =
won=E2=80=99t hurt.
=20
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.
=20
Use an ohmmeter to check the sender. I don=E2=80=99t recall the exact =
numbers 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.
=20
Also worth checking the temp gauge if the first test above =
doesn=E2=80=99t 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 stabilizer. 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.
=20
-- Randall
=20
Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=3D550986> for =
Windows 10
=20
Sent: Saturday, August 17, 2019 6:54 PM
Subject: [TR] Fuel gauge troubles
=20
Help, I'm calling the TR bat phone again. Switching projects to get my =
car
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 =
gallons
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. =20
=20
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 =
neg
ground. =20
3. connections at new sending unit not secure. Neg is to ground and =
positive
to pos on sending unit
4. new sender bad
=20
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.
=20
Many thanks,
Jim Henningsen
Ocala, FL
60 TR3A
61 TR3A
62 TR4
75 TR6
=20
=20
=20
Archive: http://www.team.net/pipermail/triumphs =
=20
http://autox.team.net/mailman/options/triumphs/tr3driver@ca.rr.com
=20
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vlink=3D"#954F72"><div class=3DWordSection1><p class=3DMsoNormal>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 voltage stabilizer =
unit.=C2=A0 Hmmmnn.<o:p></o:p></p><p class=3DMsoNormal>Jim Henningsen =
<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b>From:</b> Randall =
<tr3driver@ca.rr.com> <br><b>Sent:</b> Saturday, August 17, 2019 =
8:25 PM<br><b>To:</b> Jim Henningsen <trguy75@gmail.com>; =
'Triumphs' <triumphs@autox.team.net><br><b>Subject:</b> RE: [TR] =
Fuel gauge troubles<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>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 =
climb towards full, then the gauge & wiring to it are probably =
OK. Probably best to not leave it this way for long, but a few =
minutes won=E2=80=99t hurt.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>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.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Use an =
ohmmeter to check the sender. I don=E2=80=99t recall the exact =
numbers 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.<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Also worth checking the temp gauge if the first test =
above doesn=E2=80=99t 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 stabilizer. 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.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>-- =
Randall<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Sent from <a =
href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986";>Mail</a> for =
Windows 10<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b>From: </b><a =
href=3D"mailto:trguy75@gmail.com";>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";>'Triumphs'</a><br><b>Subject: =
</b>[TR] Fuel gauge troubles<o:p></o:p></p></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Help, I'm =
calling the TR bat phone again. Switching projects to get my =
car<o:p></o:p></p><p class=3DMsoNormal>ready for AACC southeastern fall =
nationals on Mobile AL. 1962 TR4 CT5212LO.<o:p></o:p></p><p =
class=3DMsoNormal>Fuel gauge worked prior to restoration but not =
after. Car is switched to<o:p></o:p></p><p class=3DMsoNormal>neg =
ground. Orig fuel sender float was sunk in tank. Removed it =
and<o:p></o:p></p><p class=3DMsoNormal>verified there is gas in =
it. Hoping there is a way to rebuild it since =
orig<o:p></o:p></p><p class=3DMsoNormal>part. Put in a new sending =
unit from TRF this morning and added 7 gallons<o:p></o:p></p><p =
class=3DMsoNormal>of gas and it still doesn't work but float =
rises. The needle moved ever so<o:p></o:p></p><p =
class=3DMsoNormal>slightly right above E then dropped back down with =
ignition on. I even used<o:p></o:p></p><p class=3DMsoNormal>a coat =
hanger to manually raise the float in the gas tank to "full" =
with<o:p></o:p></p><p class=3DMsoNormal>ignition on but needle still =
didn't work. Ignition in "On" position, =
but<o:p></o:p></p><p class=3DMsoNormal>not running. =
<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>My thoughts.<o:p></o:p></p><p class=3DMsoNormal>1. Bad =
gauge?<o:p></o:p></p><p class=3DMsoNormal>2. Wires reversed on fuel =
gauge from resto impacting since it is neg not<o:p></o:p></p><p =
class=3DMsoNormal>original positive ground. Running generator that =
has been polarized to neg<o:p></o:p></p><p =
class=3DMsoNormal>ground. <o:p></o:p></p><p class=3DMsoNormal>3. =
connections at new sending unit not secure. Neg is to ground and =
positive<o:p></o:p></p><p class=3DMsoNormal>to pos on sending =
unit<o:p></o:p></p><p class=3DMsoNormal>4. new sender =
bad<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Any thoughts on the possible easy fix before going =
through the list<o:p></o:p></p><p class=3DMsoNormal>tomorrow. =
Also, if anyone is looking for a nice 73 Stag with =
hardtop,<o:p></o:p></p><p class=3DMsoNormal>manual tran, that has been =
owned by a TR owner of 60+ tyears and avid VTR<o:p></o:p></p><p =
class=3DMsoNormal>member, it is for sale in Tally. I am trying to =
help the family find a home<o:p></o:p></p><p class=3DMsoNormal>for =
it. Email me offline if you would like pics and contact =
info.<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Many thanks,<o:p></o:p></p><p class=3DMsoNormal>Jim =
Henningsen<o:p></o:p></p><p class=3DMsoNormal>Ocala, FL<o:p></o:p></p><p =
class=3DMsoNormal>60 TR3A<o:p></o:p></p><p class=3DMsoNormal>61 =
TR3A<o:p></o:p></p><p class=3DMsoNormal>62 TR4<o:p></o:p></p><p =
class=3DMsoNormal>75 TR6<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>** <a =
href=3D"mailto:triumphs@autox.team.net";>triumphs@autox.team.net</a> =
**<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Donate: <a =
href=3D"http://www.team.net/donate.html";>http://www.team.net/donate.html<=
/a><o:p></o:p></p><p class=3DMsoNormal>Archive: <a =
href=3D"http://www.team.net/pipermail/triumphs";>http://www.team.net/piper=
mail/triumphs</a> <a =
href=3D"http://www.team.net/archive";>http://www.team.net/archive</a><o:p>=
</o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Unsubscribe/Manage: <a =
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