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Update - used a wire with an inline fuse to test connections. Parking lig=
hts work and headlights work in one position only.
The dipper switch on a 72 - is forward high or low? Thats the one that wor=
ks
-------- Original message --------
From: Joel Martin <jmartiniii@yahoo.com>
Date: 1/23/22 4:25 PM (GMT-06:00)
To: mgs@autox.team.net
Subject: Re: [Mgs] Mgs Digest, Vol 176, Issue 4
I have been through 4 headlight switches in the last 2.25 years. The quali=
ty is just so poor. 12 uses out of first one, 8 uses out of 2nd one and th=
e last one lasted 3 uses and gave out in the dark at the start of a 1,283 m=
ile trip over 6 days. I had to sit on the side of the road and wait for th=
e sun to come up. A buddy had a two position 50 year old Sunbeam light swi=
tch we installed hanging under the dash on the first day of the trip, whew.
1973 MGB, original owner with 234K miles and the original switch lasted 230=
k miles. Take your original switch apart and do everything you can to reta=
in it.
Never any smoke, the switch just gives up the ghost. Supper poor quality, =
mechanically.
Installed Halogen lamps from a buddy with Moss relays and 4th Moss switch. =
I have only used 3 times, so we will see if this works.
Good luck.
On Sunday, January 23, 2022, 02:00:17 PM EST, mgs-request@autox.team.net <m=
gs-request@autox.team.net> wrote:
Send Mgs mailing list submissions to
To subscribe or unsubscribe via the World Wide Web, visit
http://autox.team.net/mailman/listinfo/mgs
or, via email, send a message with subject or body 'help' to
You can reach the person managing the list at
When replying, please edit your Subject line so it is more specific
than "Re: Contents of Mgs digest..."
Archive: http://www.team.net/archive
Today's Topics:
1. Re: 1972 MGB convertible (dave northrup)
2. Re: 1972 MGB convertible (PaulHunt73)
3. Re: 1972 MGB convertible (Robert's New iPad)
Worked on the car a little today. discovered that the blinkers do indeed w=
ork so that=92s good, and makes sense.
We have a battery cutoff switch on this car so I decided to try a few thing=
s. I noticed that the light switch no longer moves at all. I cannot get t=
he light switch to toggle at all so likely it is fried. Next step is to by=
pass the switch and see if we get lights/action if I manually connect the w=
ires.
On 19/01/2022 02:32, dave northrup wrote:
Swapped transmissions, car runs and drives fine, blinkers worked ok this af=
ternoon until on the way home I switched on the lights.
Smoke from under the dash, I think on the passenger side but not positive. =
Turned the lights off, turned the car off and popped the hood. No smoke in =
engine compartment. Back of light switch was hot but did not burn my finge=
r.
In that case it sounds like it was an output from the light switch that sho=
rted. Either the blue (headlights) or red/green (parking and instrument li=
ghts) is probably also damaged, which will indicate (pun not intended) wher=
e to look next.
Note that if the short caused enough damage inside the switch to open the c=
ircuit, and disconnect the short, manually reconnecting the wires will like=
ly bring it back on again. With your cut-off switch on tap first one then =
the other of the wires mentioned above onto the brown and you should soon s=
ee which has the short - if it's still present.
PaulH.
On 23/01/2022 00:34, dave northrup wrote:
I noticed that the light switch no longer moves at all. I cannot get the=
light switch to toggle at all so likely it is fried. Next step is to bypa=
ss the switch and see if we get lights/action if I manually connect the wir=
es.
Condition of the light switch does not sound encouraging, but you might rem=
ove it from the dash, open it, and see if it can be cleaned and saved. Orig=
inal switches were good quality.
At age 35 or so, my switch was warm to touch. I bought a new one. It was ho=
t to touch. I opened and cleaned original, installed; it has been happy, a=
nd cool, ever since. Relays were installed later, but well after the old s=
witch was back in service.
Good on you to have a battery cut-off switch. I am a believer. We know the=
condition of wires where we can see them, but those we can not see ......
Bob
nteer.com>> wrote:
Worked on the car a little today. discovered that the blinkers do indeed w=
ork so that=92s good, and makes sense.
We have a battery cutoff switch on this car so I decided to try a few thing=
s. I noticed that the light switch no longer moves at all. I cannot get t=
he light switch to toggle at all so likely it is fried. Next step is to by=
pass the switch and see if we get lights/action if I manually connect the w=
ires.
On 19/01/2022 02:32, dave northrup wrote:
Swapped transmissions, car runs and drives fine, blinkers worked ok this af=
ternoon until on the way home I switched on the lights.
Smoke from under the dash, I think on the passenger side but not positive. =
Turned the lights off, turned the car off and popped the hood. No smoke in =
engine compartment. Back of light switch was hot but did not burn my finge=
r.
_______________________________________________
Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive
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<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1=
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<meta content=3D"text/html; charset=3Dutf-8">
</head>
<body>
Update - used a wire with an inline fuse to test connections. P=
arking lights work and headlights work in one position only.
<div dir=3D"auto"><br>
</div>
<div dir=3D"auto">The dipper switch on a 72 - is forward high or low? =
Thats the one that works</div>
<div><br>
</div>
<div><br>
</div>
<div>-------- Original message --------</div>
<div>From: Joel Martin <jmartiniii@yahoo.com> </div>
<div>Date: 1/23/22 4:25 PM (GMT-06:00) </div>
<div>To: mgs@autox.team.net </div>
<div>Subject: Re: [Mgs] Mgs Digest, Vol 176, Issue 4 </div>
<div><br>
</div>
<div>
<div class=3D"ydpc53a9a66yahoo-style-wrap" style=3D"font-family:Helvetica N=
eue,Helvetica,Arial,sans-serif; font-size:16px">
<div></div>
<div>I have been through 4 headlight switches in the last 2.25 years.  =
;The quality is just so poor. 12 uses out of first one, 8 uses out of=
2nd one and the last one lasted 3 uses and gave out in the dark at the sta=
rt of a 1,283 mile trip over 6 days. I had
to sit on the side of the road and wait for the sun to come up. A bu=
ddy had a two position 50 year old Sunbeam light switch we installed hangin=
g under the dash on the first day of the trip, whew.</div>
<div><br>
</div>
<div>1973 MGB, original owner with 234K miles and the original switch laste=
d 230k miles. Take your original switch apart and do everything you c=
an to retain it.</div>
<div><br>
</div>
<div>Never any smoke, the switch just gives up the ghost. Supper poor=
quality, mechanically.</div>
<div><br>
</div>
<div>Installed Halogen lamps from a buddy with Moss relays and 4th Moss swi=
tch. I have only used 3 times, so we will see if this works.</div>
<div><br>
</div>
<div>Good luck.</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div id=3D"ydpc53a9a66yahoo_quoted_3876321362" class=3D"ydpc53a9a66yahoo_qu=
oted">
<div style=3D"font-family:'Helvetica Neue',Helvetica,Arial,sans-serif; font=
-size:13px; color:#26282a">
<div>On Sunday, January 23, 2022, 02:00:17 PM EST, mgs-request@autox.team.n=
et <mgs-request@autox.team.net> wrote:
</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div dir=3D"ltr">Send Mgs mailing list submissions to<br>
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<div dir=3D"ltr">When replying, please edit your Subject line so it is more=
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<div dir=3D"ltr">than "Re: Contents of Mgs digest..."<br>
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=3D"_blank">
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blank">http://www.team.net/forums</a><br>
<br>
Today's Topics:<br>
<br>
1. Re: 1972 MGB convertible (dave northrup)<br>
2. Re: 1972 MGB convertible (PaulHunt73)<br>
3. Re: 1972 MGB convertible (Robert's New iPad)<br>
<div id=3D"ydpc53a9a66ymsg91642" class=3D"ydpc53a9a66ymsg8484487983">
<div id=3D"ydpc53a9a66yiv0986361970">
<div>
<div class=3D"ydpc53a9a66yiv0986361970WordSection1">
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">Worked on the car a little t=
oday. discovered that the blinkers do indeed work so that=92s good, a=
nd makes sense.
</p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">We have a battery cutoff swi=
tch on this car so I decided to try a few things. I noticed that the =
light switch no longer moves at all. I cannot get the light switch to=
toggle at all so likely it is fried. Next
step is to bypass the switch and see if we get lights/action if I manually=
connect the wires.
</p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
<div>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">On 19/01/2022 02:32, dave no=
rthrup wrote:</p>
</div>
<blockquote style=3D"margin-top:5.0pt; margin-bottom:5.0pt">
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">Swapped transmissions, car r=
uns and drives fine, blinkers worked ok this afternoon until on the way hom=
e I switched on the lights.</p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">Smoke from under the dash, I=
think on the passenger side but not positive. Turned the lights off, turne=
d the car off and popped the hood. No smoke in engine compartment. Ba=
ck of light switch was hot but did not
burn my finger.</p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
</blockquote>
</div>
</div>
</div>
</div>
<div id=3D"ydpc53a9a66ymsg68860" class=3D"ydpc53a9a66ymsg8484487983">
<div id=3D"ydpc53a9a66yiv0986361970">
<div>
<p>In that case it sounds like it was an output from the light switch that =
shorted. Either the blue (headlights) or red/green (parking and instr=
ument lights) is probably also damaged, which will indicate (pun not intend=
ed) where to look next.</p>
<p>Note that if the short caused enough damage inside the switch to open th=
e circuit, and disconnect the short, manually reconnecting the wires will l=
ikely bring it back on again. With your cut-off switch on tap first o=
ne then the other of the wires mentioned
above onto the brown and you should soon see which has the short - if it's=
still present.<br>
</p>
<p>PaulH.<br>
</p>
<div class=3D"ydpc53a9a66yiv0986361970moz-cite-prefix">On 23/01/2022 00:34,=
dave northrup wrote:<br>
</div>
<blockquote type=3D"cite">
<div class=3D"ydpc53a9a66yiv0986361970WordSection1"> I noticed that t=
he light switch no longer moves at all. I cannot get the light switch=
to toggle at all so likely it is fried. Next step is to bypass the s=
witch and see if we get lights/action if I manually
connect the wires.
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
</div>
<br>
</blockquote>
</div>
</div>
</div>
<div id=3D"ydpc53a9a66ymsg60106" class=3D"ydpc53a9a66ymsg8484487983">
<div id=3D"ydpc53a9a66yiv0986361970">
<div>
<div dir=3D"ltr"></div>
<div dir=3D"ltr"><span class=3D"ydpc53a9a66yiv0986361970Apple-tab-span" sty=
le=3D"white-space:pre-wrap"></span>Condition of the light switch does not s=
ound encouraging, but you might remove it from the dash, open it, and see i=
f it can be cleaned and saved. Original
switches were good quality.</div>
<div dir=3D"ltr"><span class=3D"ydpc53a9a66yiv0986361970Apple-tab-span" sty=
le=3D"white-space:pre-wrap"></span>At age 35 or so, my switch was warm to t=
ouch. I bought a new one. It was hot to touch. I opened and cleaned origina=
l, installed; it has been happy, and
cool, ever since. Relays were installed later, but well after the ol=
d switch was back in service. </div>
<div dir=3D"ltr"><span class=3D"ydpc53a9a66yiv0986361970Apple-tab-span" sty=
le=3D"white-space:pre-wrap"></span>Good on you to have a battery cut-off sw=
itch. I am a believer. We know the condition of wires where we can se=
e them, but those we can not see ......</div>
<div dir=3D"ltr">Bob</div>
<div dir=3D"ltr"><br>
</div>
<div dir=3D"ltr"><span class=3D"ydpc53a9a66yiv0986361970Apple-tab-span" sty=
le=3D"white-space:pre-wrap"></span></div>
<div dir=3D"ltr"><br>
On Jan 22, 2022, at 7:34 PM, dave northrup <<a href=3D"mailto:dave@rante=
er.com" rel=3D"nofollow" target=3D"_blank">dave@ranteer.com</a>> wrote:<=
br>
<br>
</div>
<blockquote type=3D"cite">
<div dir=3D"ltr">
<div class=3D"ydpc53a9a66yiv0986361970WordSection1">
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">Worked on the car a little t=
oday. discovered that the blinkers do indeed work so that=92s good, a=
nd makes sense.
</p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">We have a battery cutoff swi=
tch on this car so I decided to try a few things. I noticed that the =
light switch no longer moves at all. I cannot get the light switch to=
toggle at all so likely it is fried. Next
step is to bypass the switch and see if we get lights/action if I manually=
connect the wires.
</p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
<div>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">On 19/01/2022 02:32, dave no=
rthrup wrote:</p>
</div>
<blockquote style=3D"margin-top:5.0pt; margin-bottom:5.0pt">
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">Swapped transmissions, car r=
uns and drives fine, blinkers worked ok this afternoon until on the way hom=
e I switched on the lights.</p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal">Smoke from under the dash, I=
think on the passenger side but not positive. Turned the lights off, turne=
d the car off and popped the hood. No smoke in engine compartment. Ba=
ck of light switch was hot but did not
burn my finger.</p>
<p class=3D"ydpc53a9a66yiv0986361970MsoNormal"> </p>
</blockquote>
</div>
</div>
</blockquote>
<blockquote type=3D"cite">
<div dir=3D"ltr"><span>_______________________________________________</spa=
n><br>
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