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Thread: Voltage Drain???

  1. #1
    Ex-Staff Full Member Mark The Cabby's Avatar
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    Default Voltage Drain???

    Guys,

    Is it possable for a install to drain so much voltage at high volume / output that it forces the ECU to recive faults that may cause partial shut down???


    It's Mustang time...

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    Regular Member Gsi3.2's Avatar
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    Default

    not really???....had your alternator output checked if you think you have a drain??...get that and the battery checked out 1st mate..it's about the only way the stereo system and the engines ECU's..

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    Ex-Staff Full Member Mark The Cabby's Avatar
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    Though so Mark, Was just trying to find a cause for my spot of bother a few weeks ago and i remembered i had the dvd pumping quite alot...


    It's Mustang time...

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    Regular Member graham a's Avatar
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    Default

    i get this on ships electrics mark,most of the time it is volt drop,but with the canbus engines it is spikes that can shutdown a engine.if you have a volt meter,just check the voltage at the install to see if it does drop when you wack the volume up

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    Regular Member Caterman's Avatar
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    Default

    That's the reason a lot of "boy racers" have power caps to stop the dips and peaks in power m8 Also gives better sound quality too.

    See HERE

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    Ex-Staff Full Member Ian T's Avatar
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    Default

    Quote Originally Posted by Caterman View Post
    That's the reason a lot of "boy racers" have power caps to stop the dips and peaks in power m8 Also gives better sound quality too.

    See HERE

    I must be a Boy Racer then Tony?? I have a capacitor fitted in the boot.


    http://forum.vectra-c.com/showthread.php?t=23240

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    Regular Member Caterman's Avatar
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    Default

    Opps! Sorry Ian

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    Regular Member SignumPhil's Avatar
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    Default

    I've seen odd things happen when there's a really big drain on the electrics (I'm thinking of a friend's Volvo V70, trying to jump start a Rover 400 Diesel that hadn't run for a few months), but I wouldn't expect a stereo to pull over 300 amps!

    Phil

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    Regular Member Maddog1974's Avatar
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    Default

    In my 2000 Colt when the music was banging you could feel the engine slow up a bit, prob a mixture of alternator drag & low voltage to ecu.

    Vectra is fine, but i do have the aux battery in the boot doing the amps.

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    Default

    id look at the alternator first

    there was a call back on some of them maybe you may have one of the recalled alternator

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