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Thread: Wiring Flow Diagram, please help fill in blanks

  1. #1
    Constant Bitrate
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    Oct 2007
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    Springfield, MO
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    Wiring Flow Diagram, please help fill in blanks


  2. #2
    Variable Bitrate
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    Jul 2006
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    seattle
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    421
    what blanks?
    looks good to me.

  3. #3
    Constant Bitrate
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    anyone else? please i want multiple opinions.

  4. #4
    Neither darque nor pervert DarquePervert's Avatar
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    No mention of whether the USB hub is powered or not.
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

  5. #5
    Newbie
    Join Date
    Mar 2005
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    36

    humm

    Also your SWITCH. is it just that? just an on off switch?

  6. #6
    Low Bitrate
    Join Date
    Feb 2005
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    Cali
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    111

    Use a relay wired to the ignition

    If you use a relay with the ignition, you can ensure that you never forget to turn the switch off and come back to a flat battery.

    I've got a relay that controls a fuse box in the trunk wired directly to the battery (with a fuse as close to the battery as possible). From the fuse box, I power a Kensington 120W laptop adapter (which was spliced into to get a 5V line for my external soundcard), another 5V power adapter for my USB hub (from a 2W USB cigarette lighter power source), my amp for the front and rear speakers, and my subwoofer.

    Otherwise, it looks good

    Cheers, Marc

  7. #7
    Constant Bitrate
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    Oct 2007
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    Springfield, MO
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    the usb hub will be powered through the usb line... not sure if that makes it powered or not.

  8. #8
    Constant Bitrate
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    Springfield, MO
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    The switch is just that, an on off because i only want this for longer than 5 minute trips... so i see no reason to install a relay and a valet switch when i can just use the switch.

  9. #9
    Maximum Bitrate FusionFanatic's Avatar
    Join Date
    May 2007
    Location
    Boston
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    the point of the relay (as thefdog mentioned) is to ensure that power [to your pc, monitor, cig lighter, etc] is cut when car is off. you can still use a switch with a relay to only apply power when you want it. the relay simply ensures that you'll never have a dead battery because you forgot to switch power off to all your devices.

    your plain old on/off switch will work fine (as long as it can handle the current that all those devices will pull from it), but you'll have to remember to switch it off when you leave the car. otherwise it may drain your battery. with a relay you'll never have to worry about that.

    from this thread and several others you started (they are basically all about the same topic) you seem very reluctant to add a relay to your setup and I'm not really sure why. it will only make your life easier. they only cost $5 and it's only 2 extra wires

  10. #10
    Newbie
    Join Date
    Jun 2007
    Posts
    4
    As a low voltage electrician i agree totally. Use a relay. This way there is no OOPS factor. Will also help prolong the life of you battery from excessive deep discharges of you battery.......when you forget to turn off the switch.......that's my 2 cents.

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