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Thread: Alternator charging too much, yellow light,...

  1. #1
    Regular Member Celes's Avatar
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    Vehicle InfoStats

    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

    Default Alternator charging too much, yellow light,...

    On my "new" V6 CDTi the yellow spanner light is on. We checked it on OP-COM and the bettery is being charged too much! 16.2V!
    Is the alternator faulty? Could this cause other sensors not to work properly, because of too high voltage?

    Help please!

  2. #2
    Ex Vec-C Admin ed taylor's Avatar
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    Vehicle InfoStats

    Vehicle : Vectra Estate

    Trim : Elite

    Engine : 3.2 V6

    Year : 04

    Mileage : 000

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    Sounds like the regulator in the alternator has packed up. It is not cutting out when it gets to full charge.

  3. #3
    Regular Member Celes's Avatar
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

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    Is there a way to check this or do I have to remove the alternator and take it to a specialist?

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