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I agree. That is something I did, too. Just thoroughly cleaning the =
contacts makes a huge difference. And you will probably find that a lot =
of those old connectors will be cracked and aren=E2=80=99t really =
gripping.
--
Max Heim
'66 MGB
> On Jan 16, 2020, at 11:40 AM, Hans Duinhoven <h.duinhoven@planet.nl> =
wrote:
>=20
> Looking to your picture, I think it is better to do a thorough wiring =
job.=20
> It looks, like the car has been exposed to =E2=80=9Cnature=E2=80=9D =
for many times.=20
> This means, a lot of contacts are suspect of being poor or bad.=20
> So besides true fault finding, I=E2=80=99d dismantle all wiring and =
get all contacts cleaned.
> Clean all bullet connectors and replace all their interconnects.
> Clean all other connectors and replace these when they are bad.
> I did this with my BGT in 1996 and after that job I never had any =
electrical failures, besides a faulty alternator (diode pack) and =
starter solenoid, where the nut did not keep the 12 V wires fixed =
anymore.=20
> =20
> So get a matching electrical diagram of the car=E2=80=99s built year.
> The Haynes MGB manual always helped me out.
> =20
> Hope this helps for the long term.
> =20
> Cheers,
> Hans
> =E2=80=9971 BGT
> =20
> Van: Mgs [mailto:mgs-bounces@autox.team.net] Namens Max Heim via Mgs
> Verzonden: donderdag 16 januari 2020 20:20
> Aan: Michael MacLean
> CC: MGs
> Onderwerp: Re: [Mgs] Electrical Nightmare
> =20
> 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.
> =20
> It does help to consult the wiring diagram, to figure out where the =
common grounds are.
> =20
> =20
> --
> Max Heim
> '66 MGB
> =20
>> On Jan 16, 2020, at 11:06 AM, Michael MacLean via Mgs =
>> =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
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation $12.75
>>=20
>> Archive: http://www.team.net/pipermail/mgs =
http://autox.team.net/archive
>>=20
>> Unsubscribe: =
http://autox.team.net/mailman/options/mgs/mvheim@sonic.net
--Apple-Mail=_A38C9E92-2BA7-44A1-A35E-EA9852268605
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D"">I agree. That is something I did, too. Just thoroughly =
cleaning the contacts makes a huge difference. And you will probably =
find that a lot of those old connectors will be cracked and aren=E2=80=99t=
really gripping.<div class=3D""><br class=3D""><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 11:40 AM, Hans Duinhoven <<a =
href=3D"mailto:h.duinhoven@planet.nl"; =
class=3D"">h.duinhoven@planet.nl</a>> wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"WordSection1" style=3D"page: WordSection1; font-family: =
Verdana; font-size: 12px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;" class=3D""><span lang=3D"EN-US" style=3D"font-size: 11pt; =
font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">Looking to your picture, I think it is better to do a =
thorough wiring job.<span =
class=3D"Apple-converted-space"> </span><o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">It looks, like the car =
has been exposed to =E2=80=9Cnature=E2=80=9D for many times.<span =
class=3D"Apple-converted-space"> </span><o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">This means, a lot of =
contacts are suspect of being poor or bad.<span =
class=3D"Apple-converted-space"> </span><o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">So besides true fault =
finding, I=E2=80=99d dismantle all wiring and get all contacts =
cleaned.<o:p class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">Clean all =
bullet connectors and replace all their interconnects.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">Clean all other =
connectors and replace these when they are bad.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">I did this with my BGT =
in 1996 and after that job I never had any electrical failures, besides =
a faulty alternator (diode pack) and starter solenoid, where the nut did =
not keep the 12 V wires fixed anymore.<span =
class=3D"Apple-converted-space"> </span><o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""> </o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">So get a =
matching electrical diagram of the car=E2=80=99s built year.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">The Haynes MGB manual =
always helped me out.<o:p class=3D""></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;" class=3D""><span lang=3D"EN-US" style=3D"font-size: =
11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D""><o:p class=3D""> </o:p></span></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;" class=3D""><span lang=3D"EN-US" style=3D"font-size: 11pt; =
font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">Hope this helps for the long term.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""> </o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">Cheers,<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">Hans<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">=E2=80=9971 BGT<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""> </o:p></span></div><div class=3D""><div =
style=3D"border-style: solid none none; border-top-width: 1pt; =
border-top-color: rgb(181, 196, 223); padding: 3pt 0cm 0cm;" =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: 'Times New Roman', serif;" class=3D""><b class=3D""><span =
style=3D"font-size: 10pt; font-family: Tahoma, sans-serif;" =
class=3D"">Van:</span></b><span style=3D"font-size: 10pt; font-family: =
Tahoma, sans-serif;" class=3D""><span =
class=3D"Apple-converted-space"> </span>Mgs [<a =
href=3D"mailto:mgs-bounces@autox.team.net"; =
class=3D"">mailto:mgs-bounces@autox.team.net</a>]<span =
class=3D"Apple-converted-space"> </span><b class=3D"">Namens<span =
class=3D"Apple-converted-space"> </span></b>Max Heim via Mgs<br =
class=3D""><b class=3D"">Verzonden:</b><span =
class=3D"Apple-converted-space"> </span>donderdag 16 januari 2020 =
20:20<br class=3D""><b class=3D"">Aan:</b><span =
class=3D"Apple-converted-space"> </span>Michael MacLean<br =
class=3D""><b class=3D"">CC:</b><span =
class=3D"Apple-converted-space"> </span>MGs<br class=3D""><b =
class=3D"">Onderwerp:</b><span =
class=3D"Apple-converted-space"> </span>Re: [Mgs] Electrical =
Nightmare<o:p class=3D""></o:p></span></div></div></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;" class=3D""><o:p class=3D""> </o:p></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;" 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.<o:p class=3D""></o:p></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: 'Times New Roman', serif;" class=3D""><o:p =
class=3D""> </o:p></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;" class=3D"">It does help to consult the wiring diagram, to figure =
out where the common grounds are.<o:p class=3D""></o:p></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: 'Times New Roman', serif;" class=3D""><o:p =
class=3D""> </o:p></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;" class=3D""><o:p class=3D""> </o:p></div></div><div =
class=3D""><div class=3D""><div class=3D""><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;" class=3D""><span style=3D"font-size: 10pt;" =
class=3D"">--<o:p class=3D""></o:p></span></div></div><div class=3D""><div=
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;" class=3D""><span style=3D"font-size: 10pt;" =
class=3D"">Max Heim<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: 'Times New Roman', serif;" class=3D""><span =
style=3D"font-size: 10pt;" class=3D"">'66 MGB<o:p =
class=3D""></o:p></span></div></div></div></div></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;" class=3D""><o:p class=3D""> </o:p></div><div =
class=3D""><blockquote style=3D"margin-top: 5pt; margin-bottom: 5pt;" =
class=3D"" type=3D"cite"><div class=3D""><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
class=3D"">On Jan 16, 2020, at 11:06 AM, Michael MacLean via Mgs <<a =
href=3D"mailto:mgs@autox.team.net"; style=3D"color: purple; =
text-decoration: underline;" class=3D"">mgs@autox.team.net</a>> =
wrote:<o:p class=3D""></o:p></div></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
class=3D""><o:p class=3D""> </o:p></div><div class=3D""><div =
class=3D""><div class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
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?<o:p =
class=3D""></o:p></div></div><div class=3D""><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;" =
class=3D"">Mike MacLean<o:p class=3D""></o:p></div></div></div></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;" =
class=3D"">_______________________________________________<br =
class=3D""><br class=3D""><a href=3D"mailto:Mgs@autox.team.net"; =
style=3D"color: purple; text-decoration: underline;" =
class=3D"">Mgs@autox.team.net</a><br class=3D"">Donate: <a =
href=3D"http://www.team.net/donate.html"; =
class=3D"">http://www.team.net/donate.html</a><br class=3D"">Suggested =
annual donation $12.75<br class=3D""><br class=3D"">Archive: <a =
href=3D"http://www.team.net/pipermail/mgs"; =
class=3D"">http://www.team.net/pipermail/mgs</a> <a =
href=3D"http://autox.team.net/archive"; =
class=3D"">http://autox.team.net/archive</a><br class=3D""><br =
class=3D"">Unsubscribe: <a =
href=3D"http://autox.team.net/mailman/options/mgs/mvheim@sonic.net"; =
class=3D"">http://autox.team.net/mailman/options/mgs/mvheim@sonic.net</a><=
/div></div></blockquote></div></div></div></blockquote></div><br =
class=3D""></div></body></html>=
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