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  1. #1

    Default fairmont futura wiring help needed

    I have all original 79 future I6, 77k mi. Use as my daily driver. I replaced alternator and voltage regulator. After measuring on voltage regulator, the "s", switched 12 v is showing no voltage. Is my problem in dash wiring? All my fuses look good.

  2. #2

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    Did you replace with an exact part or upgrade to 3G?
    What voltage are you getting when measured at the battery terminals with the car running?
    On the instrument cluster there is a resistor that is part of the charging circuit. If the cluster is disconnected or damaged at the connector the car wont charge.
    There is a green wire from the regulator that goes to the dash.
    On my 81 Granada when the ALT bulb was burnt out it wouldnt charge. Probably not a factory design but it existed.

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