1988 Ford F-150 starter

REMOVAL & INSTALLATION
LOCK CYLINDER
Removal
Disconnect negative battery cable. On non-tilt column vehicles, remove steering wheel and trim pad. On models with A/T, place gearshift in "PARK" position (any position on vehicles with M/T). Insert key and turn cylinder to "ON" position.
Insert a 1/8" diameter pin in hole on outside of steering column casting, near hazard warning button, on tilt models. Insert pin in hole near base of lock cylinder on non-tilt models. On all models, depress pin and pull out on lock cylinder to remove.
Fig. 1: Typical Column Type Ignition Switch Lock Cylinder Removal On most vehicles, push in to release lock retainer.
Installation
Lubricate lock cylinder with grease. Turn lock cylinder to "ON" position. Depress retaining pin and insert cylinder into housing. Make sure that cylinder is fully seated and aligned with interlocking washer. Turn key, and check operation of lock cylinder.