blower motor

I have a 97 century. The blower motor started making a lot of noise and finally quit. I got a new blower motor and installed it. It now only works on HIGH setting. The fuse is fine and have tried switching it. Any thoughts on what this could be?

Located next to the blower motor in the lower heater/evaporative assembly is a blower motor resistor which controls the speeds depending on where the fan setting is at the head unit. Sounds like it is bad or the connection to it is loose since you changed the blower motor out. They cost around $25 - $50.