getting stuck as to where to go next. im obviously lossing coolant but no puddles no obvious leaks no drips and not burning it. car is running hot when driving and i dont think the fan is going on. can anyone tell me where/wich relahy is the one for the fan. i checked the fuse and its good. also if there is other switches etc that i should check before replacing the fan assembly. also low coolant light dosnt come on. thanks in advance for any help.