Subject: Re: [Mgs] Hazard flasher question

From: PaulHunt73 via Mgs <[email-masked]>
Date: Sun, 18 Oct 2015 09:29:16 +0100

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Flasher?  W1, C1 and C2 are the terminals on a particular Lucas relay =
used as the electric fan relay for the GT V8, for example, but were used =
for other things on a number of other British makes and marques.  They =
are rectangular.

Are you sure the flasher unit (strictly speaking it's not a relay) goes =
behind the console?  It did on some cars, but on others it was behind =
the dash pushed into a clip screwed to the bulkhead.  2-pin are =
rectangular but smaller than the relays, 3-pin may be cylindrical and =
quite a bit larger.  I'm not aware of a relay inside the cabin on any =
MGB, maybe someone in the past went to replace the flasher unit but =
asked for a relay instead.

The wire colours should be brown to the X terminal on the flasher unit, =
light-green/brown to L to light the lamps at the corners of the car via =
the hazard switch, and light-green/purple on P for the tell-tale on the =
console.  Also the brown comes via an in-line fuse (brown both sides) =
which should be near the flasher unit and is shown as connecting =
directly to it, no bullet connector on the flasher unit side although =
there is a 2-way connector on the supply side.

Problems with some lights flashing and some not, and the indicators not =
working, are usually down to the hazard switch itself.  On most cars it =
is very rarely used and the grease hardens over time to become an =
insulator rather than a lubricant.  Sometimes flipping the switch back =
and fore a few times will get it going again, but I've had to dismantle =
the switch, clean out the old grease and use fresh before it worked =
consistently

PaulH.
  ----- Original Message -----=20

  Doing some minor things this morning, needed to fix the Hazards and =
went to replace the hazards flasher. 
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<BODY dir=3Dltr bgColor=3D#ffffff>
<DIV><FONT size=3D2>Flasher?&nbsp; W1, C1 and C2&nbsp;are the terminals =
on a=20
particular Lucas relay used as the electric fan relay for the GT V8, for =

example, but were used for other things on a number of other British =
makes and=20
marques.&nbsp; They are rectangular.</FONT></DIV>
<DIV><FONT size=3D2></FONT><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Are you sure&nbsp;the flasher unit (strictly =
speaking it's not=20
a relay)&nbsp;goes behind the console?&nbsp; It did on some cars, but on =
others=20
it was behind the dash pushed into a clip screwed to the bulkhead.&nbsp; =
2-pin=20
are rectangular but smaller than the relays, 3-pin may be cylindrical =
and quite=20
a bit larger.&nbsp; I'm not aware of a relay&nbsp;inside the cabin on =
any MGB,=20
maybe someone in the past went to replace the flasher unit but asked for =
a relay=20
instead.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>The wire colours should be brown to the X terminal =
on the=20
flasher unit, light-green/brown to L to light the lamps at the corners =
of the=20
car via the hazard switch, and light-green/purple on P for the tell-tale =
on the=20
console.&nbsp; Also the brown comes via an in-line fuse (brown both =
sides) which=20
should be near the flasher unit and is shown as connecting directly to =
it, no=20
bullet connector on the flasher unit side although there is a 2-way =
connector on=20
the supply side.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Problems with some lights flashing and some not, and =
the=20
indicators not working, are usually down to the hazard switch =
itself.&nbsp; On=20
most cars it is very rarely used and the grease hardens over time to =
become an=20
insulator rather than a lubricant.&nbsp; Sometimes flipping the switch =
back and=20
fore a few times will get it going again, but I've had to dismantle the =
switch,=20
clean out the old grease and use fresh before it worked=20
consistently</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>PaulH.</FONT></DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; =
PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV><FONT size=3D2></FONT><BR></DIV>
  <DIV dir=3Dltr>
  <DIV style=3D"FONT-FAMILY: 'Calibri'; COLOR: #000000; FONT-SIZE: =
12pt">
  <DIV>Doing some minor things this morning, needed to fix the Hazards =
and went=20
  to replace the hazards flasher. =
</DIV></DIV></DIV></BLOCKQUOTE></BODY></HTML>

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From: Hans Duinhoven via Mgs <[email-masked]>
Date: Mon, 19 Oct 2015 22:30:06 +0200

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I can confirm Paul=E2=80=99s last sentence. My February 1971 BGT has a simi=
lar issue sometimes.

Rocking the hazard switch a few times always helps.

It still is the original switch and so is the indicator relay as well.

The grease issue happened on the heater fan switch as well.

Cleaning and adding new grease solved the problem there.

Cheers,

Hans

Van: Mgs [mailto:[email-masked]] Namens PaulHunt73 via Mgs
Verzonden: zondag 18 oktober 2015 10:29
Aan: dave willner; [email-masked]
Onderwerp: Re: [Mgs] Hazard flasher question

Flasher?  W1, C1 and C2 are the terminals on a particular Lucas relay used =
as the electric fan relay for the GT V8, for example, but were used for oth=
er things on a number of other British makes and marques.  They are rectang=
ular.

Are you sure the flasher unit (strictly speaking it's not a relay) goes beh=
ind the console?  It did on some cars, but on others it was behind the dash=
 pushed into a clip screwed to the bulkhead.  2-pin are rectangular but sma=
ller than the relays, 3-pin may be cylindrical and quite a bit larger.  I'm=
 not aware of a relay inside the cabin on any MGB, maybe someone in the pas=
t went to replace the flasher unit but asked for a relay instead.

The wire colours should be brown to the X terminal on the flasher unit, lig=
ht-green/brown to L to light the lamps at the corners of the car via the ha=
zard switch, and light-green/purple on P for the tell-tale on the console. =
 Also the brown comes via an in-line fuse (brown both sides) which should b=
e near the flasher unit and is shown as connecting directly to it, no bulle=
t connector on the flasher unit side although there is a 2-way connector on=
 the supply side.

Problems with some lights flashing and some not, and the indicators not wor=
king, are usually down to the hazard switch itself.  On most cars it is ver=
y rarely used and the grease hardens over time to become an insulator rathe=
r than a lubricant.  Sometimes flipping the switch back and fore a few time=
s will get it going again, but I've had to dismantle the switch, clean out =
the old grease and use fresh before it worked consistently

PaulH.

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

Doing some minor things this morning, needed to fix the Hazards and went to=
 replace the hazards flasher. 

---
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</o:shapelayout></xml><![endif]--></head><body bgcolor=3Dwhite lang=3DNL li=
nk=3Dblue vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><sp=
an lang=3DEN-US style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif=
";color:#1F497D'>I can confirm Paul=E2=80=99s last sentence. My February 19=
71 BGT has a similar issue sometimes.<o:p></o:p></span></p><p class=3DMsoNo=
rmal><span lang=3DEN-US style=3D'font-size:11.0pt;font-family:"Calibri","sa=
ns-serif";color:#1F497D'>Rocking the hazard switch a few times always helps=
=2E<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US style=3D'f=
ont-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>It still =
is the original switch and so is the indicator relay as well.<o:p></o:p></s=
pan></p><p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:11.0pt;f=
ont-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></=
p><p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:11.0pt;font-fa=
mily:"Calibri","sans-serif";color:#1F497D'>The grease issue happened on the=
 heater fan switch as well.<o:p></o:p></span></p><p class=3DMsoNormal><span=
 lang=3DEN-US style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";=
color:#1F497D'>Cleaning and adding new grease solved the problem there.<o:p=
></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US style=3D'font-siz=
e:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p=
></span></p><p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:11.0=
pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cheers,<o:p></o:p></sp=
an></p><p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:11.0pt;fo=
nt-family:"Calibri","sans-serif";color:#1F497D'>Hans<o:p></o:p></span></p><=
p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:11.0pt;font-famil=
y:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><d=
iv style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0c=
m 0cm'><p class=3DMsoNormal><b><span style=3D'font-size:10.0pt;font-family:=
"Tahoma","sans-serif"'>Van:</span></b><span style=3D'font-size:10.0pt;font-=
family:"Tahoma","sans-serif"'> Mgs [<a href=3D"mailto:[email-masked]=
m.net">mailto:[email-masked]</a>] <b>Namens </b>PaulHunt73 via =
Mgs<br><b>Verzonden:</b> zondag 18 oktober 2015 10:29<br><b>Aan:</b> dave w=
illner; <a href=3D"mailto:[email-masked]">[email-masked]</a><br><b>=
Onderwerp:</b> Re: [Mgs] Hazard flasher question<o:p></o:p></span></p></div=
></div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>=
<span style=3D'font-size:10.0pt'>Flasher?&nbsp; W1, C1 and C2&nbsp;are the =
terminals on a particular Lucas relay used as the electric fan relay for th=
e GT V8, for example, but were used for other things on a number of other B=
ritish makes and marques.&nbsp; They are rectangular.</span><o:p></o:p></p>=
</div><div><p class=3DMsoNormal>&nbsp;<o:p></o:p></p></div><div><p class=3D=
MsoNormal><span style=3D'font-size:10.0pt'>Are you sure&nbsp;the flasher un=
it (strictly speaking it's not a relay)&nbsp;goes behind the console?&nbsp;=
 It did on some cars, but on others it was behind the dash pushed into a cl=
ip screwed to the bulkhead.&nbsp; 2-pin are rectangular but smaller than th=
e relays, 3-pin may be cylindrical and quite a bit larger.&nbsp; I'm not aw=
are of a relay&nbsp;inside the cabin on any MGB, maybe someone in the past =
went to replace the flasher unit but asked for a relay instead.</span><o:p>=
</o:p></p></div><div><p class=3DMsoNormal>&nbsp;<o:p></o:p></p></div><div><=
p class=3DMsoNormal><span style=3D'font-size:10.0pt'>The wire colours shoul=
d be brown to the X terminal on the flasher unit, light-green/brown to L to=
 light the lamps at the corners of the car via the hazard switch, and light=
-green/purple on P for the tell-tale on the console.&nbsp; Also the brown c=
omes via an in-line fuse (brown both sides) which should be near the flashe=
r unit and is shown as connecting directly to it, no bullet connector on th=
e flasher unit side although there is a 2-way connector on the supply side.=
</span><o:p></o:p></p></div><div><p class=3DMsoNormal>&nbsp;<o:p></o:p></p>=
</div><div><p class=3DMsoNormal><span style=3D'font-size:10.0pt'>Problems w=
ith some lights flashing and some not, and the indicators not working, are =
usually down to the hazard switch itself.&nbsp; On most cars it is very rar=
ely used and the grease hardens over time to become an insulator rather tha=
n a lubricant.&nbsp; Sometimes flipping the switch back and fore a few time=
s will get it going again, but I've had to dismantle the switch, clean out =
the old grease and use fresh before it worked consistently</span><o:p></o:p=
></p></div><div><p class=3DMsoNormal>&nbsp;<o:p></o:p></p></div><div><p cla=
ss=3DMsoNormal><span style=3D'font-size:10.0pt'>PaulH.</span><o:p></o:p></p=
></div><blockquote style=3D'border:none;border-left:solid black 1.5pt;paddi=
ng:0cm 0cm 0cm 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;m=
argin-bottom:5.0pt'><div><p class=3DMsoNormal><span style=3D'font-size:10.0=
pt;font-family:"Arial","sans-serif"'>----- Original Message ----- <o:p></o:=
p></span></p></div><div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><di=
v><div><div><p class=3DMsoNormal><span style=3D'font-family:"Calibri","sans=
-serif";color:black'>Doing some minor things this morning, needed to fix th=
e Hazards and went to replace the hazards flasher. <o:p></o:p></span></p></=
div></div></div></blockquote></div>
<br /><br />
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