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Thread: 99 Oldsmobile Aurora Project

  1. #1
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    99 Oldsmobile Aurora Project

    Hey all.
    I'm currently in the beginning stages of installing my car pc. I don't know how long of a process this will be. But here is my very first post, starting with laptop power button wiring.

    I found the how-to here on the site for wiring up a laptop power button. The electronics repair store was closed so I did it myself.

    I've soldered plenty wires on my motorcycle, and in car audio. HOWEVER, this is my 1st time soldering to a circuit board...and not using a thin tipped iron. Not pretty at all..but it works.

    I followed the instructions to a tee in finding the continuity. I was able to use four pins to run two sets of wires. One set to run to a switch in my front seat for just in case situations. And the other set to run to the Carnetix unit. Of course the carnetix unit will send a pulse that simulates pressing the power button as well.

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    As you can see, I routed the wires through a pre-existing hole in the side
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    Touching the wires together, it turns on or off.
    Pressing the power button, it turns on.
    SUCCESS!!!

  2. #2
    FLAC PhilG's Avatar
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    Great start, nice to see you researched it here then just did it. Congrats on that.

    Maybe you saw this idea on here and it wasn't for you, maybe you didn't see it so I'll through it out there; if you have a modem jack on that laptop and know that you will never use it, clip the wires going to the modem jack close to the jack and connect those power wires to it inside the laptop. Then when you install in the vehicle all you have to do is plug in a phone line connector. It's a very neat way to do it and a very clean way to remove & re-install the laptop in the vehicle.

    I will follow your progress and BTW, very smart not trying to put a timeline on the project, they usually surprise you anyway with the number of hours eaten up!
    My 2007 Ford F350 Work Log located HERE

  3. #3
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    Thanks PhilG

    My intention was to chop those a bit shorter of course, and use connectors for when I want to take it out of the car. Yes, not very clean at all I know.

    I have a couple of questions. I did see that modem mod on here as well. I did not know which wires powered the modem jack. And also by "i will never use it", are you referring to the 56k line or Ethernet jack? If I chop the wire, will I still be able to utilize the Ethernet port?

    I'm assuming its this wire here. The 56k and LAN port are to the left...can't see them in this pic.
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    And also, wouldn't I still need a second set of wire run to the Carnetix 1900 anyway in order to control power on and power off?

    I've read through your worklog, AMAZING BUILD!!

  4. #4
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    I was able to hack up my HP power brick. I was expecting at least two or three separate wires. BUT, instead I only saw one single wire. And after testing for continuity, the outer shielding turned out to be wire as well. So technically there are two wires. The inner being + and the outer shield is -.

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    So what I did was fold the cord over so that the outer negative wire comes into contact with itself. This way I will be able to take the carnetix 19v and negative wire and join them. The pics are just for a visual. The final install will be cleaner with the correct carnetix wires, and heat shrink.
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  5. #5
    FLAC PhilG's Avatar
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    Sorry I missed this post last week and the post in my log, is that a factory power brick or a "cheap" knock-off? It kind of looks like the one I had bought that didn't work.

    Does your laptop run properly when plugged into it? The one I had that didn't work was actually a 12V auto/air adapter. When it didn't work out, I switched to an aftermarket 110v standard brick and it worked fine having the extra wire in it.
    How old is your HP, mine is about 2008, maybe if yours is older, the ID wire isn't required?? IDK...

    Regarding the modem mod, I was speaking of the 56K modem jack, not the Ethernet port. I just cut all of the wires off the back of it and running the 2 wires from the power switch over and soldering them onto the cut off modem wires. I believe in my work log pics it was a yellow & green wire if I remember that I used to extend from the power switch.
    My 2007 Ford F350 Work Log located HERE

  6. #6
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    Quote Originally Posted by PhilG View Post
    Sorry I missed this post last week and the post in my log, is that a factory power brick or a "cheap" knock-off? It kind of looks like the one I had bought that didn't work.

    Does your laptop run properly when plugged into it? The one I had that didn't work was actually a 12V auto/air adapter. When it didn't work out, I switched to an aftermarket 110v standard brick and it worked fine having the extra wire in it.
    How old is your HP, mine is about 2008, maybe if yours is older, the ID wire isn't required?? IDK...

    Regarding the modem mod, I was speaking of the 56K modem jack, not the Ethernet port. I just cut all of the wires off the back of it and running the 2 wires from the power switch over and soldering them onto the cut off modem wires. I believe in my work log pics it was a yellow & green wire if I remember that I used to extend from the power switch.
    Yep. Mine is an official HP brick. The other one I had has more wires, BUT was a cheap knock off. The cheap knock off would not work at all on my laptop. I'm not sure how old my HP is actually. It was given to me by a friend who thought it didn't work.

    If I ever feel like opening the laptop again, I will take a look at those modem wires again. Thanks.

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