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re: "I wonder if the speedo cable’s routing was so far out of line
that it needed a slight short cut to achieve its destination. My
cable goes through a grommet to the left of the bottom left corner
of the control box. Is that correct? Or should it take a more
central route?"<br>
<br>
Disclaimer: I've not owned nor worked on a RHD car.<br>
<br>
Since the speedometer gearing is on the left/port side of the O/D
housing--unless RHD cars are different--on a LHD car the cable has
to make, in effect, a 'hard' 90deg left turn. Yet, besides the
occasional glitch speedos in LHD cars work, well, OK (what matters
is that routing isn't so drastic as to kink or bind the cable). I
can't see any purpose for the optional hole as the speedo cable
would make a more graceful, easier turn to the right in a RHD car.
My LHD BN2 has its cable just wedged between the gearbox cover and
the scuttle, unless I installed it wrong.<br>
<br>
I can't imagine why <i>any </i>speedo cable would need to go
through the scuttle/firewall, if that's what you mean by 'control
box' (aka voltage regulator). Mechanical tach cables have to,
though.<br>
<br>
<br>
<div class="moz-cite-prefix">On 11/5/2021 9:04 AM, Simon Lachlan via
Healeys wrote:<br>
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<blockquote type="cite"
cite="mid:000501d7d25e$dd9fdfc0$98df9f40$@alexarevel.plus.com">
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<p class="MsoNormal">Looking back through my files, I have
contradictory info on this. So, here goes…..<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My car is a RHD MkII BT7 with a centre
shift box. It thus has the fibre glass tunnel cover which, I
gather, continued to the bitter end in ’67.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">You may recall that I sent in a pic of my
tunnel cover a few weeks back and asked if it was an original
or a latterly made repro. Thankfully, you said that it was
original but it was pointed out that it had an extra hole. See
attached. As I interpreted it, the “extra hole” is to the
right and the correct way in is through the centrally located
“correct routing for speedo cable”.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Assuming that is correct, I am led to
wonder for what purpose some PO had drilled that extra hole……I
wonder if the speedo cable’s routing was so far out of line
that it needed a slight short cut to achieve its destination.
My cable goes through a grommet to the left of the bottom left
corner of the control box. Is that correct? Or should it take
a more central route?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Simon<o:p></o:p></p>
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<br>
<pre class="moz-quote-pre" wrap="">
</pre>
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