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Thread: Alternator or Battery Problem?

  1. #1
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    confused Alternator or Battery Problem?

    I've got a falut with my Vectra C and cant quite pin it down.

    Its a 56 plate 1.9 CDTI Elite.

    Last week it started playing up. Lights flickering, ABS and Power steering Light coming on eventually leading to it not starting

    First thoughts was the Alternator as the battery was going flat. Checked the Alternator and wiring and found that the wire had disintergrated and come loose which was worring

    Took the Alternator out, and got it checked. Apparently its fine, put it back in and recripped the wire and reconnected it.

    Ran fine for bout 2 days, but now the lights have started flickering again.

    Checked the Battery Voltage with the engine turned off

    starts at 15v, and increases up to 18.5 volts. Strange

    With the Engine running at idle its around 21v. which seems to be far too high.

    Not sure whats at fault. Battery, Alternator or both.

    Any Help would be great.

    Cheers

    Alex

  2. #2
    Regular Member macdad's Avatar
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    Voltage regulator has packed up on Alternator pal,it should regulate voltage at around 14.5 volts.

  3. #3
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