Lighting problem / Electrics expert required!

[unfazed]

So with the ignition on the Brown/Red on the 5 pin switch has power, as does the Brown/Blue wire (which is on the 2 pin block??)

Deliberate anomaly to make sure you were awake  :lol and not colour blind  :lol ..
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To answer the question: Yes all the single colour wire appear to have those greenish  spots.