Blower Motor Inoperative
WARNING: This page is about a different car, the 1995 Ford Aerostar. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition on and blower switch momentarily to each position. Check voltage and ground circuits of blower motor connector. If circuits are okay, test blower motor. If voltage is not okay, check fuses, function selector switch and wiring. If ground circuit is not okay, check blower resistor, blower switch and wiring.