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Check out the appropriate wiring diagram shown here. It=E2=80=99s a good =
place to start.
=20
http://www.advanceautowire.com/tr2506.pdf
=20
Alex Thomson
TR6
GT6
=20
From: Triumphs [mailto:triumphs-bounces@autox.team.net] On Behalf Of =
davgil@aol.com
Sent: Sunday, August 08, 2021 6:16 PM
To: triumphs@autox.team.net
Subject: [TR] Oil pressure sending switch
=20
Wanted to validate my understanding of the low oil pressure sending =
switch on a 1976 TR6. I noted that a wire was not hooked up and when I =
hooked it up, the oil pressure warning light came on and stayed on when =
the car was cranked. In the 25 years I have owned this vehicle, I have =
never seen the low oil pressure light on so didn't realize that there =
was a problem. I put a meter from the switch to the positive battery =
terminal. When I crank the car, there is 13.7 volts, regardless of the =
oil pressure. My sense is that the switch should only ground under very =
low oil pressure, and that when suitable pressure is achieved, the =
ground is disconnected. My assumption is that there is an internal =
short in the switch which is keeping the ground connected regardless of =
oil pressure. Would this be a correct assumption, or is there another =
issue? =20
David Gill
1976 TR6
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri","sans-serif";color:#1F497D'>Check out the =
appropriate wiring diagram shown here. It=E2=80=99s a good place to =
start.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o=
:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri","sans-serif";color:#1F497D'><a =
href=3D"http://www.advanceautowire.com/tr2506.pdf";>http://www.advanceauto=
wire.com/tr2506.pdf</a><o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o=
:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri","sans-serif";color:#1F497D'>Alex =
Thomson<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri","sans-serif";color:#1F497D'>TR6<o:p></o:p>=
</span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri","sans-serif";color:#1F497D'>GT6<o:p></o:p>=
</span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o=
:p></span></p><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
Triumphs [mailto:triumphs-bounces@autox.team.net] <b>On Behalf Of =
</b>davgil@aol.com<br><b>Sent:</b> Sunday, August 08, 2021 6:16 =
PM<br><b>To:</b> triumphs@autox.team.net<br><b>Subject:</b> [TR] Oil =
pressure sending switch<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p> </o:p></p><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>W=
anted to validate my understanding of the low oil pressure sending =
switch on a 1976 TR6. I noted that a wire was not hooked up and =
when I hooked it up, the oil pressure warning light came on and stayed =
on when the car was cranked. In the 25 years I have owned this =
vehicle, I have never seen the low oil pressure light on so didn't =
realize that there was a problem. I put a meter from the switch to the =
positive battery terminal. When I crank the car, there is 13.7 =
volts, regardless of the oil pressure. My sense is that the switch =
should only ground under very low oil pressure, and that when suitable =
pressure is achieved, the ground is disconnected. My assumption is =
that there is an internal short in the switch which is keeping the =
ground connected regardless of oil pressure. Would this be a =
correct assumption, or is there another issue? =
<o:p></o:p></span></p><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>D=
avid Gill<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>1=
976 TR6<o:p></o:p></span></p></div></div></div></body></html>
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