Electrical problem
1996 Pontiac Bonneville 6 cyl Front Wheel Drive Automatic

blower motor runs continually when the car is shut off (not running even with out a key in ignition) till the battery runs out the charge. I was told that it is a faulty relay. When I disconnect all four relays under the hood, the blower motor is still running. All the relays are 4-pins. One I bought from O'Reilly's auto parts is 5-pins. I don't know what this means. I wonder if the blower motor relay is located elsewhere. please help me to resolve this problem.
Is it some thingelse or I am looking at wrong location for the relay? I also heard that it may be a blower motor resistor. If so where is it exactly located?

Thank you in advance.