Where is the heater fan motor located on 1979 f350?

In a 1979 Ford F-350, the heater fan motor is typically located under the dashboard on the passenger side. You may need to remove the cover for the heater assembly to access it. The motor is usually mounted to the heater box and can be reached by removing a few screws or bolts. Always consult a repair manual for specific instructions and diagrams related to your vehicle.