Removal & Installation

Remove steering column. See STEERING COLUMN . Remove ignition switch mounting bolts. On models with column shift, remove "PRNDL" adjuster bracket and dimmer switch mounting stud. On all models, remove turn signal switch connector. Remove pivot and pulse dimmer switch connector from ignition switch assembly connector on column housing. Remove ignition switch assembly.
CAUTION: If replacing ignition switch, NEW switch will be pinned in OFF-LOCK position, remove plastic pin after switch is installed.
Ensure lock cylinder is in OFF-LOCK position. Place ignition switch slider in far right position, then move one detent to the left. See Fig 1. Insert a 3/32" drill bit into hole in switch to keep slider in position.
Insert ignition switch actuator rod into slider hole, and mount switch onto column. Remove drill bit. To complete installation, reverse removal procedure. Tighten mounting screws to 35 INCH lbs. (4 N.m).

Fig 1: Setting Ignition Switch Slider Position

Courtesy of GENERAL MOTORS CORP.