POWER PLUS Ct*v*- \-,r AKTlFWCO® lNHWfTOfl AUTOMOTIVE [ump start your battery, Attach the damp from the positive (+) post of the good battery to the positive post of the dead battery. Then attach the damp from the negative post of the good battery to a good ground on the engine of the car with the dead battery. You can make sure you have correctly identified the negative cable by tracing it from the battery to its ground.