Yet another mystery lead

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TrevorG
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Yet another mystery lead

Post by TrevorG » Fri Sep 21, 2018 1:42 pm

You'll all be glad to know that the electrics are almost sorted....sighs of relief all round! Only the overdrive leads to do and they can wait until engine/gearbox is being removed.
However, there is a mystery lead eminating from the lhs headlight loom, it is heavy duty white with two thin green lines and has a 35amp fuse in line. Everything works without it connected....mystery unless it's the headlight power to relay? But both 6a and 6b wiring diagrams don't show this colour. Any ideas?



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Yet another mystery lead

Post by scimjim » Fri Sep 21, 2018 1:46 pm

There are no standard inline fuses by the headlights and no Scimitar standard wire colours have two tracer lines.


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Yet another mystery lead

Post by TrevorG » Fri Sep 21, 2018 1:56 pm

Interesting, it's coming out of the loom and is aged/dull just like all the others...Will take photo.



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Yet another mystery lead

Post by TrevorG » Fri Sep 21, 2018 2:19 pm

IMG_20180921_140211.jpg
IMG_20180921_140211.jpg (117.71 KiB) Viewed 301 times



TrevorG
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Yet another mystery lead

Post by TrevorG » Fri Sep 21, 2018 2:22 pm

It's the looped lead as it then goes near battery with the fuse holder, which is why I am assuming it powers something. It clearly comes out of the original headlight loom and I cannot find the other end!!



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Yet another mystery lead

Post by AJL Electronics » Fri Sep 21, 2018 4:28 pm

It must be retro fit. There is nothing like that in that area. To follow convention, a white base is an ignition controlled circuit. The tracer tells you its sub circuit. e.g.

White/Green Fuel pump no. 2 or left-hand to changeover switch
White/Light Green Start switch to starter interlock; or oil pressure switch to fuel pump; or start inhibitor switch to


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Yet another mystery lead

Post by TrevorG » Fri Sep 21, 2018 5:09 pm

Many thanks.....all solved.
When the car was in my original ownership from new 1980, I can remember having headlight problems, they were temperamental switching back from full beam...I lived with them until the second service and notified my garage. Not who i bought her from, I wanted black interior and had to go to Norfolk to get one so reliant selected an approved agent. Anyway, all fixed then but no notification of what was done.

Now, I've unwrapped the loom until I can see where the wire was going and low and behold, hidden underneath the battery tray next to the loom is a relay. I can only guess that the garage, with reliants approval, have put a main supply to the lights via a new relay with the switchgear controlling the relay a la the main beam. Then wrapped all cables back into the loom protector.



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