No, not a tough change. I just did mine a month ago, even though it was fine (turned out the ECU was bad).
Just make sure that you secure the dimmer switch rod when you remove it. The high/low beam switch is mounted on top of the ignition switch. There is a rod going from the turn signal to the dimmer switch....make sure you don't let it move toward the floorboard...or you will have to remove your steering wheel to engage it again (thats what I did
It a pretty easy job. I took my seat out to lay down in my Jeep.