Blower Motor Runs Only In Low
WARNING: This page is about a different car, the 1995 Ford Pickup, 1995 Ford F-Super Duty, 1995 Ford Cab & Chassis, and 1995 Ford Bronco. However, it is still accessible from the selected car via links, so may be relevant.
Check blower motor switch. Check wiring for open circuit. Check ground circuit for open circuit. Check for open blower motor resistor.