I drive a 2002 Nissan Quest. The blower motor will only work on the highest setting because the blower motor resistor keeps breaking. I changed the blower motor resistor about 7 times. Settings 1, 2, & 3 will work with a new resistor but not for long. Most recently, I also replaced the blower motor itself, along with a new resistor. The resistor still blew out with the new motor. I am not sure what could be causing the resistor to constantly blow out.