Removal With Key (Aerostar, Bronco II & Ranger)

1. Disconnect negative battery cable. Remove trim shroud. Remove electrical connector from key warning switch. Turn ignition switch to RUN position.
2. Place a 1/8" (3.17 mm) diameter pin in the hole located in outer edge of lock cylinder housing. Depress retaining pin and pull out lock cylinder. See Fig 1 .

Fig 1: Ignition Lock Cylinder Removal (Aerostar Shown)

Courtesy of FORD MOTOR CO.