A "ground wire" is a safety feature in electrical systems that provides a path for electric current to flow into the ground. It helps prevent electrical shocks and keeps people and equipment safe by redirecting excess electricity away from them.
Sentences with «ground wire»
There are ground wires in the dash that need to be checked that are related to the instrument panel. (yourmechanic.com)
It looks like I'll either have to pull the whole dash, or run a proper ground wire like you suggested. (mechanics.stackexchange.com)
There should be at least one chassis ground wire or terminal by the rear tail lights. (mechanics.stackexchange.com)