Hatch light switch

[Bluevitz-rs]

Originally Posted by yaris2010RS

i never thought of that...... y on earth would they give the dome a constant power? wasnt that basically the issue with the honda fit and the window switch catching on fire?

Because it's safer to run power to the light and ground it past the load. It makes it impossible to short out at the switch because you don't have a live wire.

The switch in the door-jam is simply a spring loaded contact that grounds against the body when you open the door, completing the circuit and turning on the light. (basically)