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Dino fuseboard component

Discussion in '206/246' started by johnvwatts, Sep 1, 2010.

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  1. johnvwatts

    johnvwatts Formula Junior

    Jul 7, 2007
    522
    England
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    John v watts
    #1 johnvwatts, Sep 1, 2010
    Last edited by a moderator: Sep 7, 2017
    Can anyone identify for me the black square box in the bottom left of the picture with FIAMM on it? Is it a relay? My alternator has stopped charging and the current is making it to the regulator , comes out of the regulator to this component and then stops. Or is this box nothing to do with the charging process? Thanks.
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  2. alhbln

    alhbln Formula 3
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    Mar 4, 2008
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    Adrian
    #2 alhbln, Sep 1, 2010
    Last edited by a moderator: Sep 7, 2017
    The black square box with the FIAMM label is the original (mechanical) voltage regulator. The interesting part is next to it, a Hueco 13 0723 electronic voltage regulator. If its broken then your alternator would indeed stop charging. D- is connected to ground, D+ should receive 12-14 Volts supply voltage, DF is connected to the Alternators field windings input to control the output voltage.
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  3. swift53

    swift53 F1 Veteran
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    Nov 17, 2007
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    Alberto
    #3 swift53, Sep 1, 2010
    Adrian, I know I am on very thin ice with electrical issues and your vast knowledge about them, but, isn't the FIAMM black box a relay for the horns?
    Regards, Alberto
     
  4. alhbln

    alhbln Formula 3
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    Mar 4, 2008
    1,749
    Berlin, Germany
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    #4 alhbln, Sep 1, 2010
    Alberto, you' right, it is indeed the relay for the horns. The original mechanical regulator was in the place the Hueco regulator is mounted now. Thanks for spotting this!
     
  5. johnvwatts

    johnvwatts Formula Junior

    Jul 7, 2007
    522
    England
    Full Name:
    John v watts
    #5 johnvwatts, Sep 2, 2010
    Last edited: Sep 2, 2010
    Horn relay, thanks. So nothing to do with charging then. I need to chech the current to and from the regulator again. Yes the original regulator was changed for the supposedly more reliable solid state type but this component is only about 18mths old itself.
     
  6. TonyL

    TonyL F1 Rookie

    Sep 27, 2007
    4,202
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    Tony
    #6 TonyL, Sep 2, 2010
    Go to the engine bay and check the voltage at the fuse box which is aattached to the firewall.

    Checck fuses and also voltage readings from there. Large red wire should be 13.25v, white wire voltage varies with engine speed and battery charge
     

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