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Thread: cigarette adaptor

  1. #1
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    cigarette adaptor

    So I have this device that uses a cigarette adaptor for power. The device states the following..

    The system is powered by +12VDC supply through your car's unregulated DC source to a built-in voltage regulator.


    I really don't want to see this big ugly plug sticking out... Is it possible to hardwire this plug to the backside of the cigarette power socket?

    Thanks,
    Greg

    BTW- The adaptor does have a fuse.. If that makes a difference.?

  2. #2
    Raw Wave hijinks21's Avatar
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    sure you can do it. I'd go right off the battery though.. but you can do it. Just cut off the cig lighter adaptor and connect the positive wire to the cig lighter wire and ground the other end to the metal frame. I'd go right from the batter though.. but thats just me.
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  3. #3
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    The specs say that you must use unregulated power because the adaptor has a built in regulator. However when I open it up I can't tell what part is the regulator.

    Greg

  4. #4
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    Probbably easier to buy an in-line cigarette lighter socket like on cigarette lighter extension leads. Then you don't need to demolish the unit.
    Best regards,
    Matthew

  5. #5
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    So what your saying i buy a new plug to plug the adaptor into and wire the new plug piggyback onto the existing plug. Yeh that might work nicely.

    Greg

  6. #6
    FLAC
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    That's actually how i have most of my peripherals powered. If I have time I'll take a photo of the inside of my dash sometime this week
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  7. #7
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    Thanks! That would be helpfull

    Greg

  8. #8
    Low Bitrate InvisiBill's Avatar
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    If you don't mind cutting up the power adapter, it's probably best to cut the cigarette plug off, and hardwire it. Connections are where you're most likely to have problems, so adding a few more into the circuit probably isn't the wisest thing to do. And like hijinks21 said, you can hook it right to the battery (with a fuse of course) and you'll probably get less voltage drop and stuff. Some of that factory wiring is pretty wimpy, or downright inadequate in cases.

    If you don't want to chop up your new adapter, you can solder in a hidden socket like the others said. It may be beneficial to wire the new socket right to the battery instead of the old socket, for the same reasons mentioned above.

    A lighter socket is really just fused + and - wires held into a certain shape so you can plug stuff into it easily. You can just connect the wires of the device's plug to + and - on the battery to get the exact same thing as a lighter socket...

  9. #9
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    Perhaps you could measure the voltage of the adaptor and build a whole new circuit.
    Best regards,
    Matthew

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