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Dave,
The ignition switch would sometimes not provide enough power to the starter=
solenoid to start the starter then progressively got to the point that =
the starter would not start. I could jump the starter with a screwdriver =
and the starter would work. I took apart the switch and found that the =
fiberboard plate that rotates was scored and offset from the contacts. The=
contacts were dirty with pits and not smooth anymore. Basically wore out.=
The replacement switch worked for a short while but then started having =
the same problem. I took the replacement switch apart and found that the =
brass contacts were not aligned very well. The contacts were mating on a =
small patch on the side of the two contacts instead of full contact between=
the two contacts for the solenoid power wire.
Regards,
Robert
-----Original Message-----
From: DAVID MASSEY <dave1massey@cs.com>
Sent: Jul 8, 2022 6:50 AM
To: rgperry@earthlink.net <rgperry@earthlink.net>, jaystr8@comcast.net =
<jaystr8@comcast.net>, 6pack@autox.team.net <6pack@autox.team.net>
Subject: Re: [6pack] TR6 Ignition Switch failures
Interesting. I had a dodgy ignition switch in my 71 TR6. I replaced it =
and it has been fine ever since. That was 25 years and some 50,000 miles =
ago. =20
=20
What issues are you having? Mine would spontaneously switch off the =
ignition. A little wiggle would restore power. I've had no issues since.
=20
Dave=20
=20
=20
=20
-----Original Message-----
From: Robert Perry <rgperry@earthlink.net>
To: Jay Snavely <jaystr8@comcast.net>; 6pack@autox.team.net
Sent: Fri, Jul 8, 2022 6:09 am
Subject: Re: [6pack] TR6 Ignition Switch failures
Jay,
=20
I have experienced this situation also. I just keep a spare ignition =
switch in the trunk. I have taken the switch apart before and cleaned the =
contacts. This works for a little bit of time if the contacts are not too =
burnt, but I end up replacing the switch.
=20
Regards,
=20
Robert
=20
-----Original Message-----From: Jay Snavely <jaystr8@comcast.net>Sent: Jul =
7, 2022 7:40 PMTo: <6pack@autox.team.net>Subject: [6pack] TR6 Ignition =
Switch failures
=20
I have just replaced the electrical switch part of the ignition switch on =
my 72 TR6, for the 2nd time in 2 years. Both switches were genuine Lucas =
parts. LU39415 The car has been driven a couple hundred miles during this=
period. I am wondering if there might be a situation with the car that is=
causing the failures? The wiring is pretty much stock, with a new harness=
15 years ago. I did add a voltmeter a few years ago, but retained the =
ammeter. And added a circuit breaker in the headlight circuit. There was a=
burnt brown wire under the dash feeding power to the light switch, but I =
could not figure out if there was a problem or a dirty connector causing it=
to over heat. Is there any reason to add a relay? There doesn’t =
seem to be that much current in the red/white wire going to the starter =
solenoid. Thanks.
=20
_______________________________________________Support Team.Net Suggested =
annual donation $12.96Archive: http://www.team.net/archive (http://www.=
team.net/donate.html)6pack@autox.team.net (mailto:6pack@autox.team.=
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ssey@cs.com (http://autox.team.net/mailman/listinfo/6pack)
----_NmP-d0a5dcc376539b62-Part_1
Content-Transfer-Encoding: quoted-printable
<div style=3D"color:rgb(0, 0, 0);font-family:arial,sans-serif;font-size:12p=
t"><p style=3D"margin: 0.1rem 0; line-height: 1.0;" =
data-signature-line=3D"true">Dave,</p>
<p style=3D"margin: 0.1rem 0; line-height: 1.0;" data-signature-line=3D"tru=
e"> </p>
<p style=3D"margin: 0.1rem 0; line-height: 1.0;" data-signature-line=3D"tru=
e">The ignition switch would sometimes not provide enough power to the =
starter solenoid to start the starter then progressively got to the point =
that the starter would not start. I could jump the starter with a =
screwdriver and the starter would work. I took apart the switch and =
found that the fiberboard plate that rotates was scored and offset from the=
contacts. The contacts were dirty with pits and not smooth anymore.=
Basically wore out. The replacement switch worked for a short =
while but then started having the same problem. I took the =
replacement switch apart and found that the brass contacts were not aligned=
very well. The contacts were mating on a small patch on the side of =
the two contacts instead of full contact between the two contacts for the =
solenoid power wire.</p>
<p style=3D"margin: 0.1rem 0; line-height: 1.0;" data-signature-line=3D"tru=
e"> </p>
<p style=3D"margin: 0.1rem 0; line-height: 1.0;" data-signature-line=3D"tru=
e">Regards,</p>
<p style=3D"margin: 0.1rem 0; line-height: 1.0;" data-signature-line=3D"tru=
e"> </p>
<p style=3D"margin: 0.1rem 0; line-height: 1.0;" data-signature-line=3D"tru=
e">Robert</p>
</div><div style=3D"color:rgb(0, 0, 0);font-family:arial,=
sans-serif;font-size:12pt"></div>
<div class=3D"elnk-inline-message-container" style=3D"border-left: 1px =
solid #aaa; box-sizing: border-box; padding: 10px 0 10px 15px; margin: =
0;">
<p>-----Original Message-----<br>From: DAVID MASSEY <dave1massey@cs.=
com><br>Sent: Jul 8, 2022 6:50 AM<br>To: rgperry@earthlink.net =
<rgperry@earthlink.net>, jaystr8@comcast.net <jaystr8@comcast.=
net>, 6pack@autox.team.net <6pack@autox.team.net><br>Subject: Re: =
[6pack] TR6 Ignition Switch failures</p>
<p style=3D"margin: 0.1rem 0; line-height: 1.0;"> </p>
<div style=3D"color: black; font: 12pt Arial, Helvetica, sans-serif;">
<div><span style=3D"font-size: medium;">Interesting. I had a dodgy =
ignition switch in my 71 TR6. I replaced it and it has been fine ever=
since. That was 25 years and some 50,000 miles ago. =
<br></span></div>
<div> </div>
<div><span style=3D"font-size: medium;">What issues are you having? =
Mine would spontaneously switch off the ignition. A little wiggle =
would restore power. I've had no issues since.</span></div>
<div> </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><span style=3D"font-size: large;">Dave <br></span></div>
<div><span style=3D"font-size: 10.0pt; font-family: sans-serif; color: =
black;"> </span></div>
</div>
</div>
</div>
<div> </div>
<div> </div>
<div style=3D"font-family: arial,helvetica; font-size: 10pt; color: =
black;"><span style=3D"font-size: small;"><span style=3D"font-size: =
small;">-----Original Message-----<br>From: Robert Perry =
<rgperry@earthlink.net><br>To: Jay Snavely <jaystr8@comcast.=
net>; 6pack@autox.team.net<br>Sent: Fri, Jul 8, 2022 6:09 am<br>Subject:=
Re: [6pack] TR6 Ignition Switch failures<br><br></span></span>
<div id=3D"yiv9940150852">
<div>
<div style=3D"color: #000000; font-family: arial, sans-serif; font-size: =
12pt;">
<div style=3D"margin: 0; line-height: 1.0;">Jay,</div>
<div style=3D"margin: 0; line-height: 1.0;"> </div>
<div style=3D"margin: 0; line-height: 1.0;">I have experienced this =
situation also. I just keep a spare ignition switch in the trunk.=
I have taken the switch apart before and cleaned the contacts. =
This works for a little bit of time if the contacts are not too burnt, but=
I end up replacing the switch.</div>
<div style=3D"margin: 0; line-height: 1.0;"> </div>
<div style=3D"margin: 0; line-height: 1.0;">Regards,</div>
<div style=3D"margin: 0; line-height: 1.0;"> </div>
<div style=3D"margin: 0; line-height: 1.0;">Robert</div>
</div>
<div style=3D"color: #000000; font-family: arial, sans-serif; font-size: =
12pt;"> </div>
<div id=3D"yiv9940150852yqt59378" class=3D"yiv9940150852yqt5972763636">
<div class=3D"yiv9940150852elnk-inline-message-container" =
style=3D"border-left: 1px solid #aaa; padding: 10px 0 10px 15px; margin: =
0;">
<div>-----Original Message-----<br clear=3D"none">From: Jay Snavely =
<jaystr8@comcast.net><br clear=3D"none">Sent: Jul 7, 2022 7:40 PM<br =
clear=3D"none">To: <6pack@autox.team.net><br clear=3D"none">Subject: =
[6pack] TR6 Ignition Switch failures</div>
<div style=3D"margin: 0; line-height: 1.0;"> </div>
<div class=3D"yiv9940150852WordSection1">
<div class=3D"yiv9940150852MsoNormal"><span style=3D"font-family: Calibri; =
font-size: small;"><span style=3D"font-size: 11.0pt;">I have just replaced =
the electrical switch part of the ignition switch on my 72 TR6, for the =
2<sup>nd</sup> time in 2 years. Both switches were genuine Lucas =
parts. LU39415 The car has been driven a couple hundred miles =
during this period. I am wondering if there might be a situation with=
the car that is causing the failures? The wiring is pretty much =
stock, with a new harness 15 years ago. I did add a voltmeter a few =
years ago, but retained the ammeter. And added a circuit breaker in =
the headlight circuit. There was a burnt brown wire under the dash feeding =
power to the light switch, but I could not figure out if there was a =
problem or a dirty connector causing it to over heat. Is there any =
reason to add a relay? There doesn=E2=80=99t seem to be that much =
current in the red/white wire going to the starter solenoid. Thanks.=
</span></span></div>
</div>
</div>
</div>
<div style=3D"margin: 0; line-height: 1.0;"> </div>
</div>
</div>
<div id=3D"yqt51550" class=3D"yqt5972763636">______________________________=
_________________<br clear=3D"none">Support Team.Net <a href=3D"http://www.=
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clear=3D"none">Suggested annual donation $12.96<br =
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<p style=3D"margin: 0.1rem 0; line-height: 1.=
0;"> </p>
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Archive: http://www.team.net/archive
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