Ford Focus c-max 1.6 tdci battery going flat I’ve had a new battery and alternator. Battery stays charged when disconnected?

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  • 3 years ago

    You have a parastic voltage drain. Sneak out to the car at 2am and see if you can see anything going. In the meantime invest in a Priority Start device

  • 3 years ago

    Hi because teh alternator has a fault and needs replacing.

  • Anonymous
    3 years ago

    Your car has a parasitic drain.

    https://www.youtube.com/watch?v=KF1gijj03_0

    Youtube thumbnail

  • 3 years ago

    Take the bulbs out of the trunk and under the hood and see if the batty is still dead in the morning, if its not, then one of those are where your problem is.

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  • 3 years ago

    you have an earth leakage ..or a light on you cant see

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