im running 260 and my fan wont go on i did the switch and i did the the thingi cant think of name right now thats on the fire wall i think its the relay also the fan gets current. my friend said that it is the thermostat but that shouldnt have anything to do with the fan right. also he says its closed and not opening how do i check without undoing all of the stuff cuz i dont want to drain rad. and stuff