Honda Prelude Forum banner

parasitic power drain

  1. Battery drain with key off.

    3rd Gen
    I just got my Prelude in running order the other day but it still has a minor issue with a perisitic battery drain is what has been described to me. With the ignition off and key out the fuse box under the hood pulls a fraction of a volt of power that over night kills the battery. It seems...
  2. Key-off battery drain

    3rd Gen
    The battery drains at the same rate with the key off as when its running. All the fuses pull current when the key is off. The battery dies in about 12 hours completely.