Q: What is the purpose of relays in a Chevrolet Nova's electrical system and how can a faulty relay be identified and fixed?
A: Several electrical accessories in the vehicle use relays to transmit the signal to the component. If the relay is defective, that component will not operate properly. The various relays are grouped together in several locations. If a faulty relay is suspected, it can be removed and tested by a dealer service department or a repair shop.