my 95 SC autos heater is out, it has power to the heater switches, has degrees, everything shows up, but turn it on, no fan power, where to start lookin for problems? any fuses i should check out first? any relays? locations for them? saposed to be bad weather here tomorrow, tring to see if its just a fuse or relay.cuz when i got the car it had some bad fuses, someone arced something and blew out alot of things.. please help!! thanks