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Thread: Blaxtream TC1000 PSU wiring loom Question???

  1. #1
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    Blaxtream TC1000 PSU wiring loom Question???

    Tried to post this in the powere supplies forum but it didnt seem to work. apolgies if i have double posted.


    Hi Guys, First an intro.
    I was a member of this site until about a year ago. Then CarPC got put on backburner. Now I have rejoined as the CarPC is back on as I am sick of the limits of the Ipod but my old account had disappeared. I havenít needed to post a question as yet as I have a bit of knowledge and know how to search for answers.

    I have just got one of these Blaxtream carPCs (generic branded one it seems) (I know people don't think much of them but it suited my needs) I plan to mod it at a later date.

    So now for my Question...
    The wiring loom on the carpc has the following wires. 2 yellow 2 black, a red and a green wire. The manual says to connect the green to the handbrake sensor or ground. The red to acc, the 2 blacks to ground and the 2 yellows wires to constant 12v.

    So I guess the green wire turns the video output off somehow when the handbrake is not on??? For legal reasons of driving with a screen on???

    The red wire to acc is fair enough, but why are there 2 yellow wires and 2 black wires?
    I thought it would have came with a 12v output wire to power my screen off. But donít understand why there are 2 yellow wires and 2 green wires.

    Hope someone can help me out it would be greatly appreciated.

  2. #2
    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by Aussie View Post
    So I guess the green wire turns the video output off somehow when the handbrake is not on??? For legal reasons of driving with a screen on???
    Bingo.

    The red wire to acc is fair enough, but why are there 2 yellow wires and 2 black wires?
    The two power /round wires are there to carry the amperage load that the PC could potentially draw.
    Now, it would make more sense to use a lower guage (thicker) wire instead of two thinner wires. I'm pretty certain they use the two thinner wires as a cost-saving measure, although that's just speculation.

    I thought it would have came with a 12v output wire to power my screen off. But donít understand why there are 2 yellow wires and 2 green wires.
    Use the yellow and back wires from a HDD connetor and run the line to your screen.
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

  3. #3
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    I thought as much as 2 why there was 2 wires but didnt want to blow the thing up straight out of the box.

    Using a HDD power rail is a great idea, didnt think of that!

    Thanks for your quick and informative reply.

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