How do you replace emergency flasher switch on a 1995 gm truck?

To replace the emergency flasher switch on a 1995 GM truck, first disconnect the vehicle's battery to ensure safety. Remove the trim panel surrounding the switch, typically by unscrewing or unclipping it. Next, disconnect the electrical connector from the old flasher switch and remove it from the dashboard. Install the new switch by connecting the electrical plug and reassembling the trim panel, then reconnect the battery to test the new switch.