Stop in for a cup of coffee
The ground doesn't have to be at the battery. Could be anywhere there is a good ground.
Example:
Take your pencil and follow the path to complete the journey from the battery Positive to the Negative.
It has to be a full circle for the lamp to light.
That path your pencil followed is what the light is testing. That's it. No more, no less.
The ground doesn't have to be at the battery. Could be anywhere there is a good ground.
Example:
Take your pencil and follow the path to complete the journey from the battery Positive to the Negative.
It has to be a full circle for the lamp to light.
That path your pencil followed is what the light is testing. That's it. No more, no less.