Show you how to replace the ignition control module of a 1989 Plymouth Gran Fury?

To replace the ignition control module on a 1989 Plymouth Gran Fury, first disconnect the negative battery cable for safety. Locate the ignition control module, which is typically mounted on the firewall or near the distributor. Remove the electrical connectors and the mounting screws, then take out the old module. Install the new module by reversing the process: secure it in place, reconnect the wiring, and finally reconnect the battery.