Offside rear light cluster colour code
 

Finding out the rear fog light had failed I unluged the plug on the light cluster. That was my first mistake. Rust, the pins were badly rusted and the plug stuck fast. I have tried to clean the pins but have made things worse, I now have no lights on the off side.

Could someone please tell me/confirm for me the wiring and pin colour code? Below is what I think it is

pin 1 Green/Brown Reverse
pin 2 Green/Black Indicator
pin 3 Green/Blue Stop
pin 4 Black Earth
pin 5 Red/ Blue Tail
pin 6 Blue/White Reverse

Where does the water come from for the pins to rust, all looks dry in the boot?

macafee2

Light seals Ian 👍

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It seems I got the colour code right as a bodge this morning has the lights working.

macafee2

I had discounted the seals as the boot is dry.
Perhaps as the seals had gone before, the cluster had gotten wet and the corrosion has been happening for 7 or so years.
I gave a near side cluster away but will check the spare off side and if good protect the pins for future use.

Could it be condensation?

macafee2