Originally Posted by Crownman
I would start with a new headlight switch. Why? That one part has something to do with each of the things you're having a problem with aside from the gauges not working correctly. It's what turns the headlights on and off. It's what turns on a dims the dash lights. It can turn the dome light on and off. I'm not usually one to just start off replacing parts but the switch is cheap and easy to replace.
. To change out that switch how difficult is it? I'm not a fan of electrical work and I don't want to get over my head