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That might be handier than the stalk switch in my '69. I'm not a fan of
running wires down a gear lever & through the tunnel. Just don't like
the potential for fraying the wires.
CR
On 11/11/2019 11:32 AM, Max Heim wrote:
> Exactly. I have a 1977 vintage blue label OD transmission in my 66. I
> have a dash-mounted switch to the left of the steering column. The
> wiring couldnâ??t be simpler. No weird expensive parts. The straight (as
> opposed to crookneck) dash OD switch is cheap.
>
> You might not think the dash switch is as convenient as the gear lever
> switch, but it is really pretty ergonomic. You can flick it with the
> side of your hand while it is still in contact with the wheel â?? you
> don't have to go groping for it.
>
> --
> Max Heim
> '66 MGB
>
>> On Nov 11, 2019, at 8:08 AM, Charley Robinson via Mgs
>>
>> I've swapped OD gearboxes into two CBBs. In both cases I used the
>> gear levers from the original non-OD transmissions. I don't see any
>> reason that you can't use the gear lever you already have for the OD
>> box.
>>
>> As to the OD switch, I'd put it on the dash if I had an open spot for
>> it that was handy to my right hand. In the CB cars the wiring and
>> switch are already installed but there's no reason you can't find the
>> white circuit that Paul mentioned and run a wire from it to your
>> switch and from the switch to the lockout switch on the OD box.Â
>> Looks like there are a couple of switches in the Moss catalog that
>> would look OK on the dash. The switch is just a SPST that can handle
>> the solenoid current.
>>
>> My $ .02,
>>
>> CR
>>
>> On 11/11/2019 7:35 AM, Andrew Lundgren via Mgs wrote:
>>> I have a '78. The transmission is a blue label, but the seller
>>> doesn't have the shift lever.
>>>
>>> A lever for a '78 is not a cheap thing, and my son who is driving it
>>> a lot right now likes the Walnut MG logo shifter it has. So I'm
>>> looking at options for how to install the O/D switch.
>>>
>>> From the moss catalog, it looks like the '76 switch won't work with
>>> the '78. So I might have to buy the parts to put together the
>>> shifter switch or put it in the blank accessory switch above the fan
>>> on the dash.
>>>
>>>
>>>
>>> On Mon, Nov 11, 2019, 1:45 AM PaulHunt73 <paulhunt73@virginmedia.com
>>>
>>> None of that is to do with the OD itself.
>>> Which gears it operated on is a function of the linkages on top
>>> of the gearbox, and you can have it on 3 and 4 or 4 only as you
>>> wish. When the TCSAÂ was introduced in late 76 to control
>>> 'surging'Â a third switch was added to the top of the gearbox
>>> that operated in 2nd and 4th, and this was wired in series with
>>> the OD switch operating in 3rd and 4th to produce a 4th gear
>>> only output controlling the TCSA and vacuum advance. I suspect
>>> that was not very reliable as it was an external micro-switch so
>>> it was deleted and the gearbox components changed so the switch
>>> operated in 4th only, as done to the V8 several years
>>> previously. The gearbox switch now controlled both OD and TCSA.
>>> The gear lever itself changed for the 77 model year to
>>> incorporate the OD manual switch, but that can also be fitted to
>>> any year, or the 77 converted back to some other switch, as you
>>> wish.
>>> The wiring prior to 77 was from the manual switch on the dash or
>>> the column, to the gearbox switch on a yellow and a yellow red,
>>> then from there to the solenoid. For 77 on it was from the
>>> ignition supply on a white to the gearbox switch, then from
>>> there to the manual switch on the gear lever, and from there to
>>> the solenoid.
>>> Black label or blue label determines which speedo is compatible
>>> - black label was used on CB cars and used a 1280tpm speedo.Â
>>> Blue label was used on RB cars and used a 1000tpm speedo. But
>>> speedos can be recalibrated if you end up with the wrong
>>> combination.
>>> So as a 78 it should have a blue label OD and the manual switch
>>> on the gear lever, as the column switch - which together with
>>> the plastic dash was new for the 77 model year -Â won't have that
>>> function. But if the car has the earlier RB dash and column
>>> switches you don't need the gear lever switch, which is prone to
>>> shorting out and causing harness damage.
>>> PaulH.
>>>
>>> ----- Original Message -----
>>> Not so much. It will be a a bit still until the transmission
>>> arrives. (Freight from NY to UT) I'm just trying to figure
>>> out which shifter it should have had as well as which gears
>>> it should work on.
>>>
>>> I'm going to be putting it into a 78, but the current owner
>>> is still trying to track down the shifter from his friend,
>>> the previous owner. He doesn't know if it was a late shifter
>>> or an early one.
>>>
>>> I'm trying to determine how to wire it in.
>>>
>>>
>>> _______________________________________________
>>>
>>> Mgs@autox.team.net
>>> Donate:http://www.team.net/donate.html
>>> Suggested annual donation $12.75
>>>
>>> Archive:http://www.team.net/pipermail/mgs http://autox.team.net/archive
>>>
>>> Unsubscribe:http://autox.team.net/mailman/options/mgs/charley38@twc.com
>>
>> _______________________________________________
>>
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation  $12.75
>>
>> Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive
>>
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>
--------------9ADE5108304E1C1CBEB4B432
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<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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That might be handier than the stalk switch in my '69. I'm not a
fan of running wires down a gear lever & through the tunnel.Â
Just don't like the potential for fraying the wires.<br>
<br>
CR<br>
<br>
<div class="moz-cite-prefix">On 11/11/2019 11:32 AM, Max Heim wrote:<br>
</div>
<blockquote type="cite"
cite="mid:38EA6E6F-FD06-43EE-A1A5-E8A87A34F0C4@sonic.net">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
Exactly. I have a 1977 vintage blue label OD transmission in my
66. I have a dash-mounted switch to the left of the steering
column. The wiring couldnâ??t be simpler. No weird expensive parts.
The straight (as opposed to crookneck) dash OD switch is cheap.
<div class=""><br class="">
</div>
<div class="">You might not think the dash switch is as convenient
as the gear lever switch, but it is really pretty ergonomic. You
can flick it with the side of your hand while it is still in
contact with the wheel â?? you don't have to go groping for it.</div>
<div class=""><br class="">
<div class="">
<div style="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="">
<div style="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="">
<div style="margin: 0px; font-size: 13px;" class="">--</div>
<div style="margin: 0px; font-size: 13px; min-height:
16px;" class="">Max Heim</div>
<div style="margin: 0px; font-size: 13px;" class="">'66
MGB</div>
</div>
</div>
</div>
<br class="">
<div>
<blockquote type="cite" class="">
<div class="">On Nov 11, 2019, at 8:08 AM, Charley Robinson
via Mgs <<a href="mailto:mgs@autox.team.net"; class=""
moz-do-not-send="true">mgs@autox.team.net</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<meta http-equiv="Content-Type" content="text/html;
charset=UTF-8" class="">
<div text="#000000" bgcolor="#FFFFFF" class=""> I've
swapped OD gearboxes into two CBBs. In both cases I
used the gear levers from the original non-OD
transmissions. I don't see any reason that you can't
use the gear lever you already have for the OD box. <br
class="">
<br class="">
As to the OD switch, I'd put it on the dash if I had an
open spot for it that was handy to my right hand. In
the CB cars the wiring and switch are already installed
but there's no reason you can't find the white circuit
that Paul mentioned and run a wire from it to your
switch and from the switch to the lockout switch on the
OD box. Looks like there are a couple of switches in
the Moss catalog that would look OK on the dash. The
switch is just a SPST that can handle the solenoid
current.<br class="">
<br class="">
My $ .02,<br class="">
<br class="">
CR<br class="">
<br class="">
<div class="moz-cite-prefix">On 11/11/2019 7:35 AM,
Andrew Lundgren via Mgs wrote:<br class="">
</div>
<blockquote type="cite"
cite="mid:CAKr3Jn3bgMytp+pr8TqSvN0HkkFi=Rjejm5rKVT=9Kej5L9juQ@mail.gmail.com"
class="">
<meta http-equiv="content-type" content="text/html;
charset=UTF-8" class="">
<div dir="auto" class="">I have a '78. The
transmission is a blue label, but the seller doesn't
have the shift lever.
<div dir="auto" class=""><br class="">
</div>
<div dir="auto" class="">A lever for a '78 is not a
cheap thing, and my son who is driving it a lot
right now likes the Walnut MG logo shifter it
has. So I'm looking at options for how to install
the O/D switch. </div>
<div dir="auto" class=""><br class="">
</div>
<div dir="auto" class="">From the moss catalog, it
looks like the '76 switch won't work with the '78.
So I might have to buy the parts to put together
the shifter switch or put it in the blank
accessory switch above the fan on the dash.  </div>
<div dir="auto" class=""><br class="">
</div>
<div dir="auto" class=""><br class="">
</div>
</div>
<br class="">
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Nov 11,
2019, 1:45 AM PaulHunt73 <<a
href="mailto:paulhunt73@virginmedia.com";
moz-do-not-send="true"
class="">paulhunt73@virginmedia.com</a>>
wrote:<br class="">
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#ffffff" class="">
<div class=""><font class="" size="2">None of
that is to do with the OD itself.</font></div>
<div class="">Â </div>
<div class=""><font class="" size="2">Which
gears it operated on is a function of the
linkages on top of the gearbox, and you can
have it on 3 and 4 or 4 only as you wish.Â
When the TCSAÂ was introduced in late 76 to
control 'surging'Â a third switch was added
to the top of the gearbox that operated in
2nd and 4th, and this was wired in series
with the OD switch operating in 3rd and 4th
to produce a 4th gear only output
controlling the TCSA and vacuum advance. I
suspect that was not very reliable as it was
an external micro-switch so it was deleted
and the gearbox components changed so the
switch operated in 4th only, as done to the
V8 several years previously. The gearbox
switch now controlled both OD and TCSA.Â
</font></div>
<div class="">Â </div>
<div class=""><font class="" size="2">The
gear lever itself changed for the 77 model
year to incorporate the OD manual
switch, but that can also be fitted to any
year, or the 77 converted back to some other
switch, as you wish.</font></div>
<div class="">Â </div>
<div class=""><font class="" size="2">The wiring
prior to 77 was from the manual switch on
the dash or the column, to the gearbox
switch on a yellow and a yellow red, then
from there to the solenoid. For 77 on it
was from the ignition supply on a white to
the gearbox switch, then from there to the
manual switch on the gear lever, and from
there to the solenoid.</font></div>
<div class="">Â </div>
<div class=""><font class="" size="2">Black
label or blue label determines which speedo
is compatible - black label was used on CB
cars and used a 1280tpm speedo. Blue label
was used on RB cars and used a 1000tpm
speedo. But speedos can be recalibrated if
you end up with the wrong
combination. </font></div>
<div class="">Â </div>
<div class=""><font class="" size="2">So as a 78
it should have a blue label OD and the
manual switch on the gear lever, as the
column switch - which together with the
plastic dash was new for the 77 model year
- won't have that function. But if the car
has the earlier RB dash and column switches
you don't need the gear lever switch, which
is prone to shorting out and causing harness
damage.</font></div>
<div class="">Â </div>
<div class=""><font class=""
size="2">PaulH.</font></div>
<div class="">Â </div>
<blockquote style="BORDER-LEFT:#000000 2px
solid;PADDING-LEFT:5px;PADDING-RIGHT:0px;MARGIN-LEFT:5px;MARGIN-RIGHT:0px"
class="">
<div style="FONT:10pt arial" class="">-----
Original Message ----- </div>
<div dir="auto" class="">Not so much. It will
be a a bit still until the transmission
arrives. (Freight from NY to UT) I'm just
trying to figure out which shifter it should
have had as well as which gears it should
work on. Â
<div dir="auto" class=""><br class="">
</div>
<div dir="auto" class="">I'm going to be
putting it into a 78, but the current
owner is still trying to track down the
shifter from his friend, the previous
owner. He doesn't know if it was a late
shifter or an early one.</div>
<div dir="auto" class=""><br class="">
</div>
<div dir="auto" class="">I'm trying to
determine how to wire it in.</div>
</div>
</blockquote>
</div>
</blockquote>
</div>
<br class="">
<fieldset class="mimeAttachmentHeader"></fieldset>
<pre class="moz-quote-pre"
wrap="">_______________________________________________
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</pre>
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