Where is the ecm code reader receptical location on a 1989 e-150 van?

On a 1989 Ford E-150 van, the ECM (Engine Control Module) code reader receptacle is typically located under the dashboard on the driver's side. You may need to remove a cover panel to access it. Look for a rectangular connector, usually near the steering column or under the dash, that has a series of pins for connecting the code reader.