How do you change an ignition switch on an 1986 ford e350?

To change the ignition switch on a 1986 Ford E350, first disconnect the negative battery cable to prevent any electrical shorts. Then, remove the steering column covers and locate the ignition switch, which is typically mounted on the column. Disconnect the wiring harness from the switch and unbolt it from the column. Finally, install the new switch, reconnect the wiring, and reassemble the steering column covers.