Good catch dude!
Where most people get lost with electrics is a basic misconception.
And I'm doing this in caps for emphasis,
THE MOST IMPORTANT PART OF A VEHICLE CIRCUIT IS THE GROUND/EARTH.
You see DC volts don't actually come out/in of the battery Pos side.
DC V are electrons which are negative charge particles,
So in effect the "power" from/to the battery travel via the negative terminal and ground.
And the biggest ground on these cars is the strap/lead going to the gearbox.
So like I stated,
Posted on Sunday 11th of June 2017Don't understand this? Ask a question