Getting ready for state inspection

The front left marker light/turn signal wasn’t working, so I grabbed a spare bulb and opened it up. Somehow, water was getting in there; the orange plastic lens let a few ounces out when I tilted it. There doesn’t seem to be a gasket between it and the body, will have to go hunt that down. Here’s what I found inside:

Ewww!

A $5 socket from the auto parts store brings me tantalizingly close to inspectable…I’m not anxious to tackle the horn, but it must happen soon…