Where are the air conditioning orifice tubes on a 1990 Ford F-150?

On a 1990 Ford F-150, the air conditioning orifice tube is located in the refrigerant line between the condenser and the evaporator. Typically, it can be found near the accumulator or in the line that runs to the evaporator core, which is situated inside the dashboard. Accessing it may require removing some components, so it's advisable to consult a repair manual for detailed guidance.