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I think you still have a ground problem. Should the steering column have =
a separate ground wire on a 69? I know there is one in the turn signal =
harness.
It does help to consult the wiring diagram, to figure out where the =
common grounds are.
--
Max Heim
'66 MGB
> On Jan 16, 2020, at 11:06 AM, Michael MacLean via Mgs =
<mgs@autox.team.net> wrote:
>=20
> In an earlier post I told how my tach in my 69 GT would die when the =
headlights were turned on. Someone mentioned that the tach was looking =
for a ground through the light wiring for the instrument. That turned =
out to be true, somewhat. To test this I pulled the instrument to =
inspect the wiring and found what you see in the picture. One arrow =
points to the ground connection on the back of the case and the other =
arrow points to a common ground just floating around behind the =
instrument. For an experiment I slipped the ground wire connector over =
the threaded mouting stud of the case back and shoved the tach back into =
place temporarily to find out about the missing ground theory. It =
worked! You didn't think it was going to be that easy did you? The =
light had not illuminated the instrument before either, so after =
scraping and sanding the bulb hlder and the tube fitting on the back of =
the tach that the bulb shoves into, the light worked too, but wait =
there's more! After this hollow victory I had to use the horn on the =
test drive. Now the horn does not work, but when I push on the steering =
wheel stalk to activate the horn, the brake warning light comes on. I =
just love electrical problems. Not in my element here. Any ideas?
> Mike MacLean
> _______________________________________________
>=20
> Mgs@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.75
>=20
> Archive: http://www.team.net/pipermail/mgs =
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>=20
> Unsubscribe: =
http://autox.team.net/mailman/options/mgs/mvheim@sonic.net
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D"">I think you still have a ground problem. Should the steering =
column have a separate ground wire on a 69? I know there is one in the =
turn signal harness.<br class=3D""><div class=3D""><br =
class=3D"webkit-block-placeholder"></div><div class=3D"">It does help to =
consult the wiring diagram, to figure out where the common grounds =
are.</div><div class=3D""><br class=3D""></div><div class=3D""><br =
class=3D""></div><div class=3D"">
<div style=3D"color: rgb(0, 0, 0); letter-spacing: normal; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;" class=3D""><div style=3D"color: rgb(0, 0, 0); =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><div style=3D"margin: 0px; font-size: 13px;" =
class=3D"">--</div><div style=3D"margin: 0px; font-size: 13px; =
min-height: 16px;" class=3D"">Max Heim</div><div style=3D"margin: 0px; =
font-size: 13px;" class=3D"">'66 MGB</div></div></div>
</div>
<br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Jan 16, 2020, at 11:06 AM, Michael MacLean via Mgs <<a =
href=3D"mailto:mgs@autox.team.net"; class=3D"">mgs@autox.team.net</a>> =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D""><div class=3D"yahoo-style-wrap" style=3D"font-family:times =
new roman, new york, times, serif;font-size:16px;"><div dir=3D"ltr" =
data-setdir=3D"false" class=3D"">In an earlier post I told how my tach =
in my 69 GT would die when the headlights were turned on. Someone =
mentioned that the tach was looking for a ground through the light =
wiring for the instrument. That turned out to be true, =
somewhat. To test this I pulled the instrument to inspect the =
wiring and found what you see in the picture. One arrow points to =
the ground connection on the back of the case and the other arrow points =
to a common ground just floating around behind the instrument. For =
an experiment I slipped the ground wire connector over the threaded =
mouting stud of the case back and shoved the tach back into place =
temporarily to find out about the missing ground theory. It =
worked! You didn't think it was going to be that easy did =
you? The light had not illuminated the instrument before either, =
so after scraping and sanding the bulb hlder and the tube fitting on the =
back of the tach that the bulb shoves into, the light worked too, but =
wait there's more! After this hollow victory I had to use the horn =
on the test drive. Now the horn does not work, but when I push on =
the steering wheel stalk to activate the horn, the brake warning light =
comes on. I just love electrical problems. Not in my element =
here. Any ideas?</div><div dir=3D"ltr" data-setdir=3D"false" =
class=3D"">Mike MacLean<br =
class=3D""></div></div></div>_____________________________________________=
__<br class=3D""><br class=3D""><a href=3D"mailto:Mgs@autox.team.net"; =
class=3D"">Mgs@autox.team.net</a><br class=3D"">Donate: =
$12.75<br class=3D""><br class=3D"">Archive: =
http://www.team.net/pipermail/mgs http://autox.team.net/archive<br =
class=3D""><br class=3D"">Unsubscribe: =
http://autox.team.net/mailman/options/mgs/mvheim@sonic.net<br =
class=3D""></div></blockquote></div><br class=3D""></body></html>=
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