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Thread: Wiring a head unit and in-dash LCD

  1. #11
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    Ok, using 8AWG cable over 4 metres with 16A, that should give a drop of less than 1V, is that right? My inverter needs anywhere between 10.5V and 14.5V.

    As far as power requirements go, as supplied by the inverter... Well, it should be enough, according to what I've read. From estimates of power consumption by the CPU, processor, HDD and sound card, my system should need about 120W. It has an overload shutdown, so if I notice it going down, then I guess I'll just scrap it until I can get the opus.

    Any comments about putting a switch in at the front for the inverter, rather than switching it off at the actual inverter (since it will be in the back of the car).

    Scott.

  2. #12
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    Quote Originally Posted by the_realscott
    Ok, using 8AWG cable over 4 metres with 16A, that should give a drop of less than 1V, is that right? My inverter needs anywhere between 10.5V and 14.5V.

    As far as power requirements go, as supplied by the inverter... Well, it should be enough, according to what I've read. From estimates of power consumption by the CPU, processor, HDD and sound card, my system should need about 120W. It has an overload shutdown, so if I notice it going down, then I guess I'll just scrap it until I can get the opus.

    Any comments about putting a switch in at the front for the inverter, rather than switching it off at the actual inverter (since it will be in the back of the car).

    Scott.

    Well, inverters are not that expensive, and even 400 watt inverters are not large at all. I would look into one of them. I have one from a company called Coleman (yeap, they make ice chests as well) and it works reallt well.

    As for a switch, what do you want to accomplish? You could do it several ways. FIrst, the switch on the front of the inverter MOST LIKELY does not carry much amperage. It is used to supply an "accessory" like signal (read, low power) signal to the unit to turn on. You can remove the built in switch, and then extend the wires to a different/same switch, and mount that somewhere close to you. Or, you can use a relay, and control the relay with a switch of your choosing, AND/OR control the inverter with the cars ignition, so that is goes on and off with the car. I would also consider a stand alone "startup/shutdown" controller for this. They are not that expensive, and will make the control of the inverter and computer much easier. Check out the MP3Car.com and Digitalww.com stores for option, and read the FAQ about SDCs here FAQ: Do-It-Yourself Startup/Shutdown Controllers

    Michael
    ...I love the French language...especially to curse with...Nom de Dieu de putain de bordel de merde de saloperies de connards d'enculés de ta mère. You see, it's like wiping your *** with silk, I love it.

  3. #13
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    OK I have the monitor in and running. No problems there. Thanks for the advice.

    Now I just have to sort out my inverter and PC shutdown methods. What do peopel think of this? I think it should work, based on reading what other's have posted, but my electronics knowledge isnt the best...

    http://mp3car.com/vbulletin/showpost...3&postcount=42

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