How do you remove the ignition switch from a 1989 Cadillac Eldorado?

To remove the ignition switch from a 1989 Cadillac Eldorado, first disconnect the negative battery cable to prevent electrical shorts. Then, remove the steering column cover by unscrewing the screws, and locate the ignition switch. Disconnect the wiring harness from the switch, then remove the retaining screws or bolts securing the switch to the steering column. Finally, carefully pull the ignition switch out of its housing.