What are these connectors for?

Hi, anyone know what these connectors/ plugs are for?

06 model TD4.

I changed out the battery yesterday ( yes it took hours because the retaining bolt seized and the captive nut just span with it ) and I noticed that there was a black plug was just floating loose. I found a suitable plug in the loom next to the battery that isn't connects to anything and assume the plug lives there, as pictured?



Also found a floating grey plus under the fuse box. Pic is taken from above with wing at the bottom, fuse box above and battery tray would be to the left.



Nothing seems to be amiss with the car, but just wondered if anyone knew what they were for.

Thanks

spares for the spotlights?

I wondered that but they ard a long way back, I'd have expected them to have exited the loom at the front?

By the way, the wire in thd black plug is red and purple .

For the fbh? it probably doesn't have one?

Grey two way plug under fuse box in engine bay is the connection from the switch and Ccu for the heated front windscreen when fitted.

Am trying to think what other plug by battery is for but brains not working too well....