Turn off both vehicles' engines before connecting. • Connect the red clamp to the positive terminal of the dead battery, then to the positive terminal of the good battery. • Connect the black clamp to the negative terminal of the good battery, then to an unpainted metal part on the dead vehicle (away from the battery). • Start the donor vehicle first, then the vehicle with the dead battery. • After starting, disconnect the cables in the reverse order carefully. Car Battery Charger