Originally Posted by Joliet John

Jack - you probably didn't need to turn the adjustment ****, you probably need to get the bulbs seated properly. I'm sure you already know about making sure the notch and tab are lined up properly - but even when that is done, it comes down to a gnat's *** tweak which makes all the difference. Turn the lights on, loosen the spring clamp, hold the bulb in place and move it around a little bit - suddenly, everything falls into place. While holding the bulb in place, fasten the spring clip. You'll be amazed and how it seems like you're not changing anything, but it makes all the difference in the world.