I had to take out one of my nearside front headlights and found a GREEN wire behind it not connected to anything. A female spade connector was attached so must have been connected to something at some stage. I didn't have time to investigate further but just wondered if it was anything obvious? Everything at the front of the car seems to work OK ie. lights, indicators, horn etc. I suppose it could be something to do with an old alarm that was fitted and removed prior to my ownership.
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My guess would be something to do with an old alarm.
Green wires should be for devices that only operate when the ignition is turned on.
I'm copying below a chart that I've found invaluable on numerous occasions. Although I'm afraid it won't help you much here I hope it may be useful in the future or to others.
Cheers
Julian
Uk Wiring colour description.jpg
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