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<font size="5">Hello folks,<br>
<br>
Naturally I am interested in the chat on wiring in the MGB but not
on a "Oh that will help me" basis. When I built my MGB GT V8 I
decided that a cutting-cost wiring loom was not for me. There
is a bod who was the Triumph's electric systems designer who of
course was restrained by costs. He was not happy with the end
system but the bean counters were. So he designed a general
purpose <i>point to point</i> system that would work for any
car. It had a central 'control board' with fuses and relays.
So that went into my MGB GT V8 and yes it was more expensive than
the bog standard loom with lots of fuses and relays - but oh what
a neat system!!! While it makes the car non-standard it does
result in an incredible electrics. All my many fuses and relays
fit up in the passenger foot well in the 'control board'. I
cannot find contact details of the system easily but if anyone is
interested I will dig them up somehow.<br>
<br>
Cheers<br>
Barrie<br>
<br>
<br>
<br>
</font>
<div class="moz-cite-prefix">On 4/17/2022 8:13 PM, Robert's New iPad
wrote:<br>
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<blockquote type="cite"
cite="mid:0C1C2D67-EFA9-421A-A5A1-16D04426E9DD@gmail.com">
<pre class="moz-quote-pre" wrap=""> Something you don’t know, unless you have owned the car since new, if if someone has messed with the wiring.
If you have two wires to the flasher and do not find an orphan wire up in there somewhere, that is what you have to work with.
Have you established that you have 12V to one of the wires on the flasher? Paul said that the two-pin flasher is in series with the flashing signals, so 12V on one of them when the signal switch is right or left turning is required.
While you are doing this work, ignition will be on, so be sure to disconnect one wire to the coil.
Have you been able to establish that there is voltage to the signal sockets?
Bob
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">On Apr 17, 2022, at 7:32 PM, Michael MacLean <a class="moz-txt-link-rfc2396E" href="mailto:springer.mike51@gmail.com"><springer.mike51@gmail.com></a> wrote:
I'm confused. (nothing new) in trying to get my turn signals working I checked the wiring diagrams out for the early and late MGs. In the wiring diagram for the early cars it shows a 3 pin flasher relay with a two fuse unit. In the late MG wiring diagram it shows a two pin flasher unit and a four fuse unit. Looking at my car (a 69) it has a two pin flasher unit, but the car has a two fuse block unit. What the heck?
Mike MacLean
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