Walterg posted this picture of an ignition switch a couple of years back. I would refresh it to show first of all what the 2000 era switches are like inside. The switch block is held onto the key part by 2 Phillips screws, it takes just a few seconds to drop off. Release the clip on the black body and tilt the white switch plate out. In this one the grease looks quite fresh, often its hard almost like candle wax. Wipe the old grease out and replace it with fresh Vaseline. Note how the green wire