Subject: Re: [6pack] TR6 Ignition Switch failures

From: DAVID MASSEY <[email-masked]>
Date: Mon, 11 Jul 2022 02:13:19 +0000 (UTC)

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 Sounds like your typical low quality, low cost sourced parts.=C2=A0 You co=
uld look for an OE part from a breakers yard.=C2=A0 That might be your best=
 bet.=C2=A0 An alternative would be to use relays to carry the heavy curren=
t.=C2=A0 That way the low quality ignition switch would only have to carry =
the coil current and the the full current.=C2=A0 That's a crappy work aroun=
d but sometimes that is what it takes.
One of the suppliers once told me that they used to send a part to the Paci=
fic rim and say make one like this.=C2=A0 That didn't work out so well.=C2=
=A0 Now they have to generate a drawing with material specifications and al=
l sorts of things.=C2=A0 But you still need a QA department to inspect the =
incoming material and that costs money, too.=C2=A0 We don't have the volume=
 to support this kind of support.=C2=A0 It's the nature of the hobby at thi=
s point in time.=C2=A0 If you can find genuine OE, go for it..
=20
Dave=20

=20
=20
-----Original Message-----
From: Robert Perry <[email-masked]>
To: DAVID MASSEY <[email-masked]>; [email-masked]; [email-masked]=
m.net
Sent: Sun, Jul 10, 2022 6:57 pm
Subject: Re: [6pack] TR6 Ignition Switch failures

Dave,=C2=A0The ignition switch would sometimes not provide enough power to =
the starter solenoid to start the starter then progressively got to the poi=
nt that the starter would not start.=C2=A0 I could jump the starter with a =
screwdriver and the starter would work.=C2=A0 I took apart the switch and f=
ound that the fiberboard plate that rotates was scored and offset from the =
contacts.=C2=A0 The contacts were dirty with pits and not smooth anymore.=
=C2=A0 Basically wore out.=C2=A0 The replacement switch worked for a short =
while but then started having the same problem.=C2=A0 I took the replacemen=
t switch apart and found that the brass contacts were not aligned very well=
.=C2=A0 The contacts were mating on a small patch on the side of the two co=
ntacts instead of full contact between the two contacts for the solenoid po=
wer wire.=C2=A0Regards,=C2=A0Robert-----Original Message-----
From: DAVID MASSEY <[email-masked]>
Sent: Jul 8, 2022 6:50 AM
To: [email-masked] <[email-masked]>, [email-masked] <jay=
[email-masked]>, [email-masked] <[email-masked]>
Subject: Re: [6pack] TR6 Ignition Switch failures=C2=A0Interesting.=C2=A0 I=
 had a dodgy ignition switch in my 71 TR6.=C2=A0 I replaced it and it has b=
een fine ever since.=C2=A0 That was 25 years and some 50,000 miles ago.=C2=
=A0=20
=C2=A0What issues are you having?=C2=A0 Mine would spontaneously switch off=
 the ignition.=C2=A0 A little wiggle would restore power.=C2=A0 I've had no=
 issues since.=C2=A0Dave=20
=C2=A0=C2=A0=C2=A0-----Original Message-----
From: Robert Perry <[email-masked]>
To: Jay Snavely <[email-masked]>; [email-masked]
Sent: Fri, Jul 8, 2022 6:09 am
Subject: Re: [6pack] TR6 Ignition Switch failures

Jay,=C2=A0I have experienced this situation also.=C2=A0 I just keep a spare=
 ignition switch in the trunk.=C2=A0 I have taken the switch apart before a=
nd cleaned the contacts.=C2=A0 This works for a little bit of time if the c=
ontacts are not too burnt, but I end up replacing the switch.=C2=A0Regards,=
=C2=A0Robert=C2=A0-----Original Message-----
From: Jay Snavely <[email-masked]>
Sent: Jul 7, 2022 7:40 PM
To: <[email-masked]>
Subject: [6pack] TR6 Ignition Switch failures=C2=A0I have just replaced the=
 electrical switch part of the ignition switch on my 72 TR6, for the 2nd ti=
me in 2 years.=C2=A0 Both switches were genuine Lucas parts.=C2=A0 LU39415=
=C2=A0 The car has been driven a couple hundred miles during this period.=
=C2=A0 I am wondering if there might be a situation with the car that is ca=
using the failures?=C2=A0 The wiring is pretty much stock, with a new harne=
ss 15 years ago.=C2=A0 I did add a voltmeter a few years ago, but retained =
the ammeter.=C2=A0 And added a circuit breaker in the headlight circuit. Th=
ere 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 ca=
using it to over heat. =C2=A0Is there any reason to add a relay?=C2=A0 Ther=
e doesn=E2=80=99t seem to be that much current in the red/white wire going =
to the starter solenoid.=C2=A0 Thanks.=C2=A0_______________________________=
________________
Archive: http://www.team.net/archive

[email-masked]
http://autox.team.net/mailman/listinfo/6pack

@cs.com

=C2=A0
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Content-Transfer-Encoding: quoted-printable

<div style=3D"color:black;font: 12pt Arial, Helvetica, sans-serif;">
<div> <font size=3D"3">Sounds like your typical low quality, low cost sourc=
ed parts.&nbsp; You could look for an OE part from a breakers yard.&nbsp; T=
hat might be your best bet.&nbsp; An alternative would be to use relays to =
carry the heavy current.&nbsp; That way the low quality ignition switch wou=
ld only have to carry the coil current and the the full current.&nbsp; That=
's a crappy work around but sometimes that is what it takes.</font></div>

<div><font size=3D"3"><br>
</font></div>

<div><font size=3D"3">One of the suppliers once told me that they used to s=
end a part to the Pacific rim and say make one like this.&nbsp; That didn't=
 work out so well.&nbsp; Now they have to generate a drawing with material =
specifications and all sorts of things.&nbsp; But you still need a QA depar=
tment to inspect the incoming material and that costs money, too.&nbsp; We =
don't have the volume to support this kind of support.&nbsp; It's the natur=
e of the hobby at this point in time.&nbsp; If you can find genuine OE, go =
for it..<br>
</font></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:10.0pt;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: Robert Perry &lt;[email-masked]&gt;<br>
To: DAVID MASSEY &lt;[email-masked]&gt;; [email-masked]; 6pack@aut=
ox.team.net<br>
Sent: Sun, Jul 10, 2022 6:57 pm<br>
Subject: Re: [6pack] TR6 Ignition Switch failures<br>
<br>

<div id=3D"yiv5067006115">
<div>
<div style=3D"color:rgb(0, 0, 0);font-family:arial, sans-serif;font-size:12=
pt;">
<div style=3D"margin:0;line-height:1.0;">Dave,</div>

<div style=3D"margin:0;line-height:1.0;">&nbsp;</div>

<div style=3D"margin:0;line-height:1.0;">The ignition switch would sometime=
s not provide enough power to the starter solenoid to start  the starter th=
en progressively got to the point that the starter would not start.&nbsp; I=
 could jump the starter with a screwdriver and the starter would work.&nbsp=
; I took apart the switch and found that the fiberboard plate that rotates =
was scored and offset from the contacts.&nbsp; The contacts were dirty with=
 pits and not smooth anymore.&nbsp; Basically wore out.&nbsp; The replaceme=
nt switch worked for a short while but then started having the same problem=
.&nbsp; I took the replacement switch apart and found that the brass contac=
ts were not aligned very well.&nbsp; The contacts were mating on a small pa=
tch on the side of the two contacts instead of full contact between the two=
 contacts for the solenoid power wire.</div>

<div style=3D"margin:0;line-height:1.0;">&nbsp;</div>

<div style=3D"margin:0;line-height:1.0;">Regards,</div>

<div style=3D"margin:0;line-height:1.0;">&nbsp;</div>

<div style=3D"margin:0;line-height:1.0;">Robert</div>

</div>

<div style=3D"color:rgb(0, 0, 0);font-family:arial, sans-serif;font-size:12=
pt;"></div>

<div id=3D"yiv5067006115yqt36776" class=3D"yiv5067006115yqt0370517044">
<div style=3D"border-left:1px solid #aaa;padding:10px 0 10px 15px;margin:0;=
" class=3D"yiv5067006115elnk-inline-message-container">

<div>-----Original Message-----<br clear=3D"none">From: DAVID MASSEY &lt;da=
[email-masked]&gt;<br clear=3D"none">Sent: Jul 8, 2022 6:50 AM<br clear=
=3D"none">To: [email-masked] &lt;[email-masked]&gt;, jaystr8@=
comcast.net &lt;[email-masked]&gt;, [email-masked] &lt;6pack@aut=
ox.team.net&gt;<br clear=3D"none">Subject: Re: [6pack] TR6 Ignition Switch =
failures</div>

<div style=3D"margin:0;line-height:1.0;">&nbsp;</div>

<div style=3D"color:black;font:12pt Arial, Helvetica, sans-serif;">

<div><span style=3D"font-size:medium;">Interesting.&nbsp; I had a dodgy ign=
ition switch in my 71 TR6.&nbsp; I replaced it and it has been fine ever si=
nce.&nbsp; That was 25 years and some 50,000 miles ago.&nbsp; <br clear=3D"=
none"></span></div>

<div>&nbsp;</div>

<div><span style=3D"font-size:medium;">What issues are you having?&nbsp; Mi=
ne would spontaneously switch off the ignition.&nbsp; A little wiggle would=
 restore power.&nbsp; I've had no issues since.</span></div>

<div>&nbsp;</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 clear=3D"none"></span></div>

<div><span style=3D"font-size:10.0pt;font-family:sans-serif;color:black;">&=
nbsp;</span></div>

</div>

</div>

</div>

<div>&nbsp;</div>

<div>&nbsp;</div>

<div style=3D"font-family:arial, helvetica;font-size:10pt;color:black;"><sp=
an style=3D"font-size:small;"><span style=3D"font-size:small;">-----Origina=
l Message-----<br clear=3D"none">From: Robert Perry &lt;[email-masked]=
et&gt;<br clear=3D"none">To: Jay Snavely &lt;[email-masked]&gt;; 6pack=
@autox.team.net<br clear=3D"none">Sent: Fri, Jul 8, 2022 6:09 am<br clear=
=3D"none">Subject: Re: [6pack] TR6 Ignition Switch failures<br clear=3D"non=
e"><br clear=3D"none"></span></span>

<div id=3D"yiv5067006115">

<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;">&nbsp;</div>

<div style=3D"margin:0;line-height:1.0;">I have experienced this situation =
also.&nbsp; I just keep a spare ignition switch in the trunk.&nbsp; I have =
taken the switch apart before and cleaned the contacts.&nbsp; This works fo=
r a little bit of time if the contacts are not too burnt, but I end up repl=
acing the switch.</div>

<div style=3D"margin:0;line-height:1.0;">&nbsp;</div>

<div style=3D"margin:0;line-height:1.0;">Regards,</div>

<div style=3D"margin:0;line-height:1.0;">&nbsp;</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;">=
&nbsp;</div>

<div id=3D"yiv5067006115yqt59378" class=3D"yiv5067006115yqt5972763636">

<div style=3D"border-left:1px solid #aaa;padding:10px 0 10px 15px;margin:0;=
" class=3D"yiv5067006115elnk-inline-message-container">

<div>-----Original Message-----<br clear=3D"none">From: Jay Snavely &lt;jay=
[email-masked]&gt;<br clear=3D"none">Sent: Jul 7, 2022 7:40 PM<br clear=
=3D"none">To: &lt;[email-masked]&gt;<br clear=3D"none">Subject: [6pac=
k] TR6 Ignition Switch failures</div>

<div style=3D"margin:0;line-height:1.0;">&nbsp;</div>

<div class=3D"yiv5067006115WordSection1">

<div class=3D"yiv5067006115MsoNormal"><span style=3D"font-family:Calibri;fo=
nt-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>n=
d</sup> time in 2 years.&nbsp; Both switches were genuine Lucas parts.&nbsp=
; LU39415&nbsp; The car has been driven a couple hundred miles during this =
period.&nbsp; I am wondering if there might be a situation with the car tha=
t is causing the failures?&nbsp; The wiring is pretty much stock, with a ne=
w harness 15 years ago.&nbsp; I did add a voltmeter a few years ago, but re=
tained the ammeter.&nbsp; And added a circuit breaker in the headlight circ=
uit. 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 conne=
ctor causing it to over heat. &nbsp;Is there any reason to add a relay?&nbs=
p; There doesn=E2=80=99t seem to be that much current in the red/white wire=
 going to the starter solenoid.&nbsp; Thanks.</span></span></div>

</div>

</div>

</div>

<div style=3D"margin:0;line-height:1.0;">&nbsp;</div>

</div>

</div>

<div id=3D"yiv5067006115yqt51550" class=3D"yiv5067006115yqt5972763636">____=
___________________________________________<br clear=3D"none">Support Team.=
Net <a rel=3D"nofollow noopener noreferrer" shape=3D"rect" target=3D"_blank=
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_______________________________________________
Archive: http://www.team.net/archive

[email-masked]
http://autox.team.net/mailman/listinfo/6pack

--===============3713502921659696340==--

---

From: "Jay Snavely" <[email-masked]>
Date: Mon, 11 Jul 2022 10:47:15 -0400

This is a multipart message in MIME format.

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Thanks.  The new switch seems to be working good.  It was also in a =
green box that says Lucas, made in England.  I took to bad switch apart, =
but the contacts all seem to be perfect.  Maybe the parts shifted and =
the contact do not line up anymore.  That is possible.  Unfortunately, =
the parts came apart so quickly I did not see how they were positioned =
for re-assemby.  Is there a photo showing details?  Thanks.

=20

From: DAVID MASSEY <[email-masked]>=20
Sent: Sunday, July 10, 2022 10:13 PM
To: [email-masked]; [email-masked]; [email-masked]
Subject: Re: [6pack] TR6 Ignition Switch failures

=20

Sounds like your typical low quality, low cost sourced parts.  You could =
look for an OE part from a breakers yard.  That might be your best bet.  =
An alternative would be to use relays to carry the heavy current.  That =
way the low quality ignition switch would only have to carry the coil =
current and the the full current.  That's a crappy work around but =
sometimes that is what it takes.

=20

One of the suppliers once told me that they used to send a part to the =
Pacific rim and say make one like this.  That didn't work out so well.  =
Now they have to generate a drawing with material specifications and all =
sorts of things.  But you still need a QA department to inspect the =
incoming material and that costs money, too.  We don't have the volume =
to support this kind of support.  It's the nature of the hobby at this =
point in time.  If you can find genuine OE, go for it..

=20

Dave=20

=20

=20

=20

=20

-----Original Message-----

Dave,

=20

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.

=20

Regards,

=20

Robert

-----Original Message-----
Sent: Jul 8, 2022 6:50 AM
Subject: Re: [6pack] TR6 Ignition Switch failures

=20

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-----

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-----
Sent: Jul 7, 2022 7:40 PM
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=E2=80=99t seem to be that much current in the =
red/white wire going to the starter solenoid.  Thanks.

=20

http://autox.team.net/mailman/options/6pack/[email-masked]

=20

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vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><font size=3D2 =
face=3DCalibri><span style=3D'font-size:11.0pt'>Thanks.&nbsp; The new =
switch seems to be working good.&nbsp; It was also in a green box that =
says Lucas, made in England.&nbsp; I took to bad switch apart, but the =
contacts all seem to be perfect.&nbsp; Maybe the parts shifted and the =
contact do not line up anymore.&nbsp; That is possible.&nbsp; =
Unfortunately, the parts came apart so quickly I did not see how they =
were positioned for re-assemby.&nbsp; Is there a photo showing =
details?&nbsp; Thanks.<o:p></o:p></span></font></p><p =
class=3DMsoNormal><font size=3D2 face=3DCalibri><span =
style=3D'font-size:11.0pt'><o:p>&nbsp;</o:p></span></font></p><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b><font size=3D2 face=3DCalibri><span =
style=3D'font-size:11.0pt;font-weight:bold'>From:</span></font></b> =
DAVID MASSEY &lt;[email-masked]&gt; <br><b><span =
style=3D'font-weight:bold'>Sent:</span></b> Sunday, July 10, 2022 10:13 =
PM<br><b><span style=3D'font-weight:bold'>To:</span></b> =
[email-masked]; [email-masked]; =
[email-masked]<br><b><span =
style=3D'font-weight:bold'>Subject:</span></b> Re: [6pack] TR6 Ignition =
Switch failures<o:p></o:p></p></div><p class=3DMsoNormal><font size=3D2 =
face=3DCalibri><span =
style=3D'font-size:11.0pt'><o:p>&nbsp;</o:p></span></font></p><div><div><=
p class=3DMsoNormal><font size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Sou=
nds like your typical low quality, low cost sourced parts.&nbsp; You =
could look for an OE part from a breakers yard.&nbsp; That might be your =
best bet.&nbsp; An alternative would be to use relays to carry the heavy =
current.&nbsp; That way the low quality ignition switch would only have =
to carry the coil current and the the full current.&nbsp; That's a =
crappy work around but sometimes that is what it =
takes.<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p>&nbsp;</o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>One=
 of the suppliers once told me that they used to send a part to the =
Pacific rim and say make one like this.&nbsp; That didn't work out so =
well.&nbsp; Now they have to generate a drawing with material =
specifications and all sorts of things.&nbsp; But you still need a QA =
department to inspect the incoming material and that costs money, =
too.&nbsp; We don't have the volume to support this kind of =
support.&nbsp; It's the nature of the hobby at this point in time.&nbsp; =
If you can find genuine OE, go for =
it..<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p>&nbsp;</o:p></span></font></p></div><div><div><div><div><p =
class=3DMsoNormal><font size=3D4 color=3Dblack face=3DArial><span =
style=3D'font-size:13.5pt;font-family:"Arial",sans-serif;color:black'>Dav=
e </span></font><font size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p></o:p></span></font></p></div><div><p class=3DMsoNormal><font size=3D3 =
color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p>&nbsp;</o:p></span></font></p></div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p>&nbsp;</o:p></span></font></p></div></div></div><div><p =
class=3DMsoNormal><font size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p>&nbsp;</o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p>&nbsp;</o:p></span></font></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><font size=3D2 color=3Dblack =
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>---=
--Original Message-----<br>From: Robert Perry &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br>To=
: DAVID MASSEY &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;; <a =
href=3D"mailto:[email-masked]">[email-masked]</a>; <a =
href=3D"mailto:[email-masked]">[email-masked]</a><br>Sent: =
Sun, Jul 10, 2022 6:57 pm<br>Subject: Re: [6pack] TR6 Ignition Switch =
failures<o:p></o:p></span></font></p><div =
id=3Dyiv5067006115><div><div><div><p class=3DMsoNormal><font size=3D3 =
color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Dav=
e,<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>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.&nbsp; I could jump the starter with a =
screwdriver and the starter would work.&nbsp; I took apart the switch =
and found that the fiberboard plate that rotates was scored and offset =
from the contacts.&nbsp; The contacts were dirty with pits and not =
smooth anymore.&nbsp; Basically wore out.&nbsp; The replacement switch =
worked for a short while but then started having the same problem.&nbsp; =
I took the replacement switch apart and found that the brass contacts =
were not aligned very well.&nbsp; 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.<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Reg=
ards,<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Rob=
ert<o:p></o:p></span></font></p></div></div><div =
id=3Dyiv5067006115yqt36776><div style=3D'border:none;border-left:solid =
#AAAAAA 1.0pt;padding:0in 0in 0in 11.0pt'><div><p =
class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>---=
--Original Message-----<br>From: DAVID MASSEY &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br>Sent: =
Jul 8, 2022 6:50 AM<br>To: <a =
href=3D"mailto:[email-masked]">[email-masked]</a> &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;, <a =
href=3D"mailto:[email-masked]">[email-masked]</a> &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;, <a =
href=3D"mailto:[email-masked]">[email-masked]</a> &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br>Subj=
ect: Re: [6pack] TR6 Ignition Switch =
failures<o:p></o:p></span></font></p></div><div><p =
class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><div><p =
class=3DMsoNormal><font size=3D4 color=3Dblack face=3DArial><span =
style=3D'font-size:13.5pt;font-family:"Arial",sans-serif;color:black'>Int=
eresting.&nbsp; I had a dodgy ignition switch in my 71 TR6.&nbsp; I =
replaced it and it has been fine ever since.&nbsp; That was 25 years and =
some 50,000 miles ago.&nbsp; </span></font><font size=3D3 color=3Dblack =
face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p></o:p></span></font></p></div><div><p class=3DMsoNormal><font size=3D3 =
color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D4 color=3Dblack face=3DArial><span =
style=3D'font-size:13.5pt;font-family:"Arial",sans-serif;color:black'>Wha=
t issues are you having?&nbsp; Mine would spontaneously switch off the =
ignition.&nbsp; A little wiggle would restore power.&nbsp; I've had no =
issues since.</span></font><font size=3D3 color=3Dblack =
face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p></o:p></span></font></p></div><div><p class=3DMsoNormal><font size=3D3 =
color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><div><div><div><p =
class=3DMsoNormal><font size=3D5 color=3Dblack face=3DArial><span =
style=3D'font-size:18.0pt;font-family:"Arial",sans-serif;color:black'>Dav=
e </span></font><font size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p></o:p></span></font></p></div><div><p class=3DMsoNormal><font size=3D2 =
color=3Dblack face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;</span></font><font size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p></o:p></span></font></p></div></div></div></div><div><p =
class=3DMsoNormal><font size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><font size=3D3 color=3Dblack =
face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>---=
--Original Message-----<br>From: Robert Perry &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br>To=
: Jay Snavely &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;; <a =
href=3D"mailto:[email-masked]">[email-masked]</a><br>Sent: =
Fri, Jul 8, 2022 6:09 am<br>Subject: Re: [6pack] TR6 Ignition Switch =
failures</span></font><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p></o:p></span></font></p><div id=3Dyiv5067006115><div><div><div><p =
class=3DMsoNormal><font size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Jay=
,<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>I =
have experienced this situation also.&nbsp; I just keep a spare ignition =
switch in the trunk.&nbsp; I have taken the switch apart before and =
cleaned the contacts.&nbsp; This works for a little bit of time if the =
contacts are not too burnt, but I end up replacing the =
switch.<o:p></o:p></span></font></p></div><div><p =
class=3DMsoNormal><font size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Reg=
ards,<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><p class=3DMsoNormal><font =
size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>Rob=
ert<o:p></o:p></span></font></p></div></div><div><p =
class=3DMsoNormal><font size=3D3 color=3Dblack face=3DArial><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div =
id=3Dyiv5067006115yqt59378><div style=3D'border:none;border-left:solid =
#AAAAAA 1.0pt;padding:0in 0in 0in 11.0pt'><div><p =
class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>---=
--Original Message-----<br>From: Jay Snavely &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br>Sent: =
Jul 7, 2022 7:40 PM<br>To: &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br>Subj=
ect: [6pack] TR6 Ignition Switch =
failures<o:p></o:p></span></font></p></div><div><p =
class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div><div><div><p =
class=3DMsoNormal><font size=3D2 color=3Dblack face=3DCalibri><span =
style=3D'font-size:11.0pt;color:black'>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.&nbsp; Both switches were genuine Lucas =
parts.&nbsp; LU39415&nbsp; The car has been driven a couple hundred =
miles during this period.&nbsp; I am wondering if there might be a =
situation with the car that is causing the failures?&nbsp; The wiring is =
pretty much stock, with a new harness 15 years ago.&nbsp; I did add a =
voltmeter a few years ago, but retained the ammeter.&nbsp; 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. =
&nbsp;Is there any reason to add a relay?&nbsp; There doesn=E2=80=99t =
seem to be that much current in the red/white wire going to the starter =
solenoid.&nbsp; Thanks.</span></font><font size=3D2 color=3Dblack =
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p></o:p></span></font></p></div></div></div></div><div><p =
class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></font></p></div></div></div><div =
id=3Dyiv5067006115yqt51550><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><font size=3D2 color=3Dblack =
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>___=
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