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Thread: Best way to get power to cpu and touchscreen???

  1. #1
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    Best way to get power to cpu and touchscreen???

    I'm about to install a cpu with the M1-ATX and an indash touchscreen. I've been reading a lot of threads, but was wondering which would be the best and easiest way to get power to the cpu and touchscreen. I've narrowed it down to three options:

    1. Connect the power wire to the blanks in the fuse box using spade terminals
    2. Connect the power wire directly to the battery's positive terminal
    3. Splice the power wire in with the power wire behind the cigarette lighter

    Also, is the power wire just regular 12V Primary Wire and do the ignition wires just need to be connected to any wire that receives power when the car is either on or in accessory mode?

    Any help would be appreciated! Thanks

  2. #2
    Variable Bitrate
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    1. Connect the power wire to the blanks in the fuse box using spade terminals
    2. Connect the power wire directly to the battery's positive terminal
    3. Splice the power wire in with the power wire behind the cigarette lighter
    #2 is the safest.

    Edit: I read this a bit wrong. I took it for granted that the M1-ATX would be used to power everything. Thus, when I posted I meant it's safest to run power wire directly from the battery's positive terminal to the M1-ATX, then use the M1-ATX to power the cpu and screen. Sorry I didn't clarify before.

    Also, is the power wire just regular 12V Primary Wire and do the ignition wires just need to be connected to any wire that receives power when the car is either on or in accessory mode?
    Yes and Yes

    KyferEz
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  3. #3
    FLAC -zip-'s Avatar
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    What type of power supply are you using and inverter? opus?

    I would use battery to power supply then 12v from the cpu to the screen for a regulated 12v. If your screen needs 12v.
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  4. #4
    Registered User Nicorolla's Avatar
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    Quote Originally Posted by KyferEz
    #2 is the safest.

    Edit: I read this a bit wrong. I took it for granted that the M1-ATX would be used to power everything. Thus, when I posted I meant it's safest to run power wire directly from the battery's positive terminal to the M1-ATX, then use the M1-ATX to power the cpu and screen. Sorry I didn't clarify before.


    Yes and Yes

    KyferEz
    I agree, #2 is the safest but you must add an inline fuse. This is very important.

  5. #5
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    ZIP - I'm not really sure yet, i havent put the system together yet and am mapping everything out first.

    Nicorolla - is the inline fuse the same thing as when connecting an external amp for your stereo? And this is necessary directly connecting the battery to the M1-ATX?

  6. #6
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    dude if its 12 volt then i think it would be better if u run a molex connector or a usb perhaps.

  7. #7
    Registered User Nicorolla's Avatar
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    Quote Originally Posted by kasemodz
    dude if its 12 volt then i think it would be better if u run a molex connector or a usb perhaps.

    usb is 5v

  8. #8
    FLAC ppgt94's Avatar
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    Quote Originally Posted by Berg997
    is the inline fuse the same thing as when connecting an external amp for your stereo? And this is necessary directly connecting the battery to the M1-ATX?
    Yes and probably yes, that wold be best. Infact, a amp powering kit is a perfect start.

  9. #9
    Constant Bitrate vortex's Avatar
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    I did mine using an amp wiring kit and now i've just seen this thread with looks like a better method M1-ATX and how I did it...

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