Before connecting wires to "weight", thoroughly clean the joints from traces of dirt and corrosion to the "to the metal". Ensure that the tightening screw connections with "weight".
NOTE
To ensure a reliable connection with "weight" and to prevent the possibility of corrosion damage to unprotected areas of the body, it is not recommended to disconnect the wires from the body ("weight").Disconnect the wires from the battery only, the engine or transmission.