The ground cable or ground wire is a vital part of the vehicle's performance, without proper ground the system would perform less than expected.
Ground cable functionThe ground cable is one of the components included in the ground strap which is a black wire that links to the car's negative terminal to the chassis. The ground strap is the heart of the vehicle's electrical system. The ground cable is essential because every electrical current that travels to the vehicle goes via the ground cable.
Common problems with a defective ground cableA malfunctioning ground cable can lead to a lack of voltage output, a dead battery, or ground strap damage.