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Home >> Mazda >> 2021 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Electrical >> Charging Systems >> Negative Battery Terminal Disconnection/Connection >> Negative Battery Cable Terminal Disconnection

Negative Battery Cable Terminal Disconnection

  1. Switch the ignition off.
    CAUTION:
    • If a door is opened/closed after disconnecting the negative battery cable, the door interlock open/close may not function and the door glass may be damaged. Always disconnect the negative battery cable with the doors on both sides opened.
  2. Open the doors on both sides.
  3. Disconnect the negative battery cable.
  4. Close the doors on both sides.