I didn't do the 6 o'clock mod, I thought I'd try and get away without doing it but it's really noticeable, so I need to find out how to do it and get it done haha
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They will still work without being coded, however I think not having them coded can lead to your wiper motor burning out for some reason!
If you make a post on here, you will be able to find someone near you with a cable and they will sort it out for a small fee
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The light output is insane though, really worth doing!