It doesn't matter which colour goes to which. Whilst you are at it chop all the connectors off and fit proper waterproof plugs. I've done this to every new Z car even if the light isn't on.
Used these to replace the standard plugs.
https://rover.ebay.com/rover/0/0/0?m...2F392312693224
You will need 4 (2 for each seat)