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Posted

In Citroens, the wires were all white with numbers stencilled on at either end.  20 years on, it wasn't much fun.  I like the British colour coded wires.  I can tell what's what at a glance.  YMMV

Posted

All-white harnesses have become common in professional motorsports.  They are often labeled with colored bands according to the EIA color code.  When built to a high and consistent standard, they are easy to work with.

 

I have also seen harnesses use white and grey only; where one denoted the low current/higher gauge leads and the other the higher current/lower gauge leads.

Posted

White with labels is aviation/military practice and it is to do with fire safety.  The coating on normal wire produces toxic gases in a fire.  The special white stuff, while not made of mother's milk, is considerably less lethal.  All of which is moot in a Seven.

 

Do what you like.  It will certainly look "cool' if you go with Mil-spec but, again, I find it much easier to troubleshoot with the coloured coded wires.

Posted

@CBuff great tip on the Epson. Mine arrived over the weekend and worked well in testing. I wish I had this when wiring the Caterham.  

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Posted

Think it was back in the 50s that we used a lot of semi-clear zipper tube. Haven't seen it in a long time, but it and color coded wire made modifications and trouble-shooting easier, and provided good chaff protection.  lacing is more permanent but does give a lot of rigidity to the loom.  (but is difficult with 83 year old fingers). so now it is-- bundle with  black tape and either spiral wrap or split loom. or both.

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