Posts Tagged: brake lights stay on

Headlights don’t work

My headlights don’t work I see the “My headlights don’t work” question on auto forums every day. The forum posts always leave out critical information like year, make, model, as if every vehicle is wired the same way. I encourage you to click on the wiring diagram jpg below to open up a PDF of wiring diagrams. I show three ways carmaker use to control headlights. But there are at least six other ways to do it. So if your headlights don’t work, whether the brake lights don’t come on, … Read More