Blower Switch
WARNING: This page is about a different car, the 2002 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Blower motor is controlled by a 5-position blower switch. The 5 positions are off, low, medium-low, medium-high and high. Blower switch is turned off by rotating switch fully counterclockwise. 4 operating speeds are obtained with a blower motor resistor, connected in series with blower motor switch, operating on negative side of blower motor.