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Thread: Switched, Unswitched power in Durango

  1. #1
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    Switched, Unswitched power in Durango

    I just set up my CarPC in my 99 Dodge Durango, it's got a 12v Power Outlet that provides constant power from the battery whether the car's on or off. I was wonder how I'm supposed to wire the ITPS into it so that I can avoid having to string an extra wire out to like the head unit or battery. Can it all be wired into the DC connector that came with the PSU or do I have to run a seperate wire?

    BTW There's no way in hell I'd have managed to do this all on my own, the forums here rock for info on this stuff

  2. #2
    Variable Bitrate brooksware2000's Avatar
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    Well, you could do it but the ITPS will be seeing a constant voltage which will drain your battery. The ITPS is designed to get a constant voltage from the battery on one pin and switched voltage from your ACC line on another pin (look at the schematic from the ITPS site). If you hard wire the ACC line on your ITPS to the constant 12V then it will work, but again it will drain your battery. The only other option is to wire a switch in line with the ACC line on your ITPS so when you hard wire it into the constant 12V on your SUV, you can switch it on and off. Just don't forget to unswitch it when the vehicle is turned off.

    Oh Yeah, you can use the DC plug that came with your power supply (I'm assuming you're talking about the AC to DC converter brick) but you will have to hack it off of the AC to DC brick. Just go to Radio Shack and buy a DC plug with cable and use that. Also, put a 10amp fuse in line i you do decide to do it.

    If you need a diagram of this then PM me and I'll whip one together.

  3. #3
    Maximum Bitrate dodgetimes2's Avatar
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    Another 99 Durango owner! Cool. Haven't got my setup installed yet, I'm curious to know where you're putting your PC? I was going to put mine in the rear storage (where the jack is).
    1.6GHz HP e-PC, 768MB RAM, 120GB WD HDD, Slim DVD-ROM, Onboard sound & video, 7" Lilliput, USB GPS Mouse, Audiovox FM Modulator, Vector 400 Watt Power Inverter, Windows XP Pro SP2, iGuidance 2, 15" Samsung LCD for the rear *Carputer not installed*

  4. #4
    FLAC Pudge's Avatar
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    Just tap a fuse for your ACC line. One that sees power when the car is on (or on the ACC position on your ignition) and off when you turn your key off.
    My Carputer! (More Car Pics at the end)
    2 Kicker Comp 10"
    Epia M-9000, 256 MB DDR, 120 Gig HD
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    Check it out?!

  5. #5
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    Location

    I'm planning on putting the system under the passenger seat, I figured with the rear AC coming out right there it ought to cool it pretty nicely (I live in Florida and it is absurdly and freakishly hot). I'll have the 7" lilli mounted on a bracket attached to the center console (where the armrest is) so it's right in front of my hand.

    Note that I haven't actually tested the location yet though, I've just managed to get it hooked up and working on the passenger seat for now (I'm also still trying to come up with a good place for the GPS, are they sensitive to heat...like direct sunlight? I would assume so...)

  6. #6
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    So basically if I don't really care about auto switching on and off I can just wire it to get constant power and just turn it off before I stop the car?

    I guess wiring into the head unit isn't so bad either...'cept it's a royal pain to pull that front paneling off (and I mean ALL of it) :\

  7. #7
    Variable Bitrate brooksware2000's Avatar
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    Quote Originally Posted by hawkeye
    So basically if I don't really care about auto switching on and off I can just wire it to get constant power and just turn it off before I stop the car?

    I guess wiring into the head unit isn't so bad either...'cept it's a royal pain to pull that front paneling off (and I mean ALL of it) :\
    You could wire it up something like this crude MS Paint drawing

    Ooops, meant to put fuse on 12V Battery line
    Attached Images Attached Images  

  8. #8
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    Quote Originally Posted by hawkeye
    I'm planning on putting the system under the passenger seat, I figured with the rear AC coming out right there it ought to cool it pretty nicely (I live in Florida and it is absurdly and freakishly hot). I'll have the 7" lilli mounted on a bracket attached to the center console (where the armrest is) so it's right in front of my hand.

    Note that I haven't actually tested the location yet though, I've just managed to get it hooked up and working on the passenger seat for now (I'm also still trying to come up with a good place for the GPS, are they sensitive to heat...like direct sunlight? I would assume so...)
    WOW thats 3 1999 Durango Owners..

    I know what you are talking about. I was planning on mounting mine in the same place. But I changed my mine and am planning on graphiting it into the overhead console. The console will hold my EPIA, OPUS and a slim DVD/CD-RW.. My plans are to remove the reaview mirror and mount the LCD there (like part of the overhead coming down). The DVD/CD-RW will be mounted to where the glasses tray is. Basically I'm going to put some stop pins in it to keep it from coming all the way down and have the DVD drive in it so I can hide it if I want.

    My GPS will be mounted to the windshield behind the LCD (Where the tint is) and both my XM and RearCam will work thru the headliner to the rear hatch.

    If it works out how I want it should be all hidden inside the overhead and a clean install..

  9. #9
    Maximum Bitrate dodgetimes2's Avatar
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    Isn't it illegal to not have a rear-view mirror? I've been pulled over just for having an air freshener hanging from mine, I could only imagine what the cops would say when they see an LCD screen there instead.
    1.6GHz HP e-PC, 768MB RAM, 120GB WD HDD, Slim DVD-ROM, Onboard sound & video, 7" Lilliput, USB GPS Mouse, Audiovox FM Modulator, Vector 400 Watt Power Inverter, Windows XP Pro SP2, iGuidance 2, 15" Samsung LCD for the rear *Carputer not installed*

  10. #10
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    Quote Originally Posted by dodgetimes2
    Isn't it illegal to not have a rear-view mirror? I've been pulled over just for having an air freshener hanging from mine, I could only imagine what the cops would say when they see an LCD screen there instead.
    No in PA.. In PA (And most States) you only need two forms of rearviewing. and one of them HAS to be a drivers side mirror. So you can have either a drivers side mirror and a rearview or a drivers side mirror and a passenger side mirror.. Or all three in most cases.

    The only thing is I can't display movies in my LCD (Not planning it anyways. DVDs play on the rear LCDs). GPS, Rearview are fine and I'm not sure but I'm guessing XM/MP3 controls should be ok also. But if not no big deal I'll just have a hotkey for GPS if I get pulled over. I don't think it's a problem though since a lot of HUs with LCDs display controls.

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