fan problem

Hi, i'm having a problem with the cooling fan not turning on and i've checked everything except the relay. Some friends said that's located on the back of the fuse box but i can't figure out wich one it is. Can someone help me spot it or has a diagram? Mine is a GLS (C20NE) with AC. Thanks...

Right, time to start solving the annoying problems that are piling up. 1. Central locking: When unlocked from driver side the passenger side does not unlock. When locked from the driver side all go down, then all come straight back up again, but only 80% of the time. All locking done at the...