Some people's names just stick with me. It seems like we've chatted a good bit.
Now I'm trying to remember the dimmer wire color - I think it's Red/brn (someone can hopefully correct this if it's wrong). What I normally do (because it's easier and quicker) is just grab a test light and probe the likely terminals in the switch. When you find one that comes on with the parking lights, turn the dimmer up and down and see if your test light gets brighter and dimmer. If you found the right wire, it will.
Now you can play with the switch in the car or remove it and do continuity testing on your bench (continuity checks would be to the parking light terminal, which uses a brown wire). You might see that you have some kind of 'dead spot' in your switch - I've run across it a time or two myself. If this is so, the best thing to do is replace the switch and see if it fixes it. The switches are not real expensive (not last time I checked a few years ago, anyhow). There are other ways to rewire it but that's not a great way to fix things. I used to do it on old Euro cars because switchgear seemed to be near obsolete or priced like it was, but I never liked it.
If you don't know, you can pop your headlight switch out with a small screwdriver (like a jeweler's screwdriver) - it makes testing a quicker proposition.
Good luck bud.
