conectors

As the title says im after help , if somebody could tell me what these conectors are for and if something is ment to be connected to them? The other day i took off the engine cover to start fitting some new samco and found that the small white t-piece has a tube snapped off it and nothing...

Head Unit Installed in Centre Console Mk3 Ibiza I'm currently in the middle of putting my own head unit in the centre console of my Ibiza Mk3 (Its only a 1.4 btw). It's quite a mission and abit fiddly but going well. Just want to know about conectors. Can I simply buy conectors to go from...