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  • Need 12V In Back Of Car

    I'm installing my rearview camera where the lock cylinder used to be on the trunk. I need to find a constant 12V.

    I am not activating the reverse option that normally would turn on the camera only when the car is put into reverse. I want camera on all the time.

    I was thinking the rear amplifier. Any other ideas???

  • #2
    How much power does the camera use? Where is it getting installed?
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    • #3
      Originally posted by PaulF View Post
      How much power does the camera use? Where is it getting installed?

      12V DC. "where the lock cylinder used to be on the trunk." is where I am installing the camera.

      Camera link: http://cgi.ebay.com/ebaymotors/ws/eB...m=260612140542


      More interested in 12V when the ignition is turned on. The red/white stripe wire I learned going to the stock Chrysler radio represents key ignition and I see a red/white stripe wire going to the amp in the trunk.

      The lights are no good cause they are only on sometimes. Someone must have come across this problem before.

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      • #4
        By power I was referring to wattage, not voltage.

        Anyway the thing uses barely any power. You should be able to tap power from the license plate lights. 90mA will not strain the circuit. Just make sure the license plate lights are being powered by 12 volts.
        My Nearly Complete Car:
        http://www.mp3car.com/vbulletin/show...ed-car-pc.html

        Micro Control Center... Control Your Car Across the Internet
        http://www.mp3car.com/fusion-brain/1...-internet.html

        Website: (It's a work in progress, really. All my projects have taken me from ever really developing it.)
        http://paulfurtado.com/

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        • #5
          Got some great info from my 300M forum.

          In the fuse box, the top right corner is for a cigarette adapter, it has three slots. Left if ignition 12v, middle is ground and right is always on 12V. People run wires from the top left slot and run it into the trunk. 300M is very easy to hide and run wires and walllla.......12V in the trunk and there is tons of metal in the trunk for a ground.

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          • #6
            Sounds good. That's definitely the "right" way to go about it. Easiest is to just tap the OEM's power to the license plate light that already exists, but if you're willing to do the work of running the wire, then go for it. Just make sure it gets fused!
            My Nearly Complete Car:
            http://www.mp3car.com/vbulletin/show...ed-car-pc.html

            Micro Control Center... Control Your Car Across the Internet
            http://www.mp3car.com/fusion-brain/1...-internet.html

            Website: (It's a work in progress, really. All my projects have taken me from ever really developing it.)
            http://paulfurtado.com/

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            • #7
              So I did like I planned using the cig lighter portion of the fuse box for my camera's power. It worked but take guess what didn't work when I turned the key?? Everything that is plugged into the cig lighter like my satellite radio!!!!

              So I'm thinking.....and thinking and looking at the fuse box lid that maps out each fuse and what it does. I noticed the fuse for my foglights and I never use my foglights. I even had them removed and painted over, that's how much I hate foglights.

              So I replaced the fuse for the cig lighter and I did the exact same thing for the spot where the fuse for the foglights go. THAT is where I now get the power for my rearview camera.

              I very professionally tucked away the wire beneath the carpet trim all the way back to the trunk.

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              • #8
                Sounds good. Hows the camera working?
                My Nearly Complete Car:
                http://www.mp3car.com/vbulletin/show...ed-car-pc.html

                Micro Control Center... Control Your Car Across the Internet
                http://www.mp3car.com/fusion-brain/1...-internet.html

                Website: (It's a work in progress, really. All my projects have taken me from ever really developing it.)
                http://paulfurtado.com/

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                • #9
                  Originally posted by NJSATMAN View Post
                  walllla...
                  I hate to be "that guy" but this is gonna drive me nuts if I don't.

                  Were you going for Voila? The French word we have claimed to express satisfaction or approval.

                  Don't want to be the Grammar Nazi, but that one lost me
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                  Software: OpenMobile

                  My First Build

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                  • #10
                    Camera works GREAT! Better than expected.

                    I think my next job is going to be how to properly apply silicone around the camera to keep water out of the trunk. Anyone here have any experience with this???

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                    • #11
                      Originally posted by NJSATMAN View Post
                      Camera works GREAT! Better than expected.

                      I think my next job is going to be how to properly apply silicone around the camera to keep water out of the trunk. Anyone here have any experience with this???
                      I think you're best bet is to post another thread. The camera question was geared towards electronics people so you're less likely to get a response here. Also it helps anyone else who searches the forums in the future.
                      My Nearly Complete Car:
                      http://www.mp3car.com/vbulletin/show...ed-car-pc.html

                      Micro Control Center... Control Your Car Across the Internet
                      http://www.mp3car.com/fusion-brain/1...-internet.html

                      Website: (It's a work in progress, really. All my projects have taken me from ever really developing it.)
                      http://paulfurtado.com/

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                      • #12
                        Originally posted by NJSATMAN View Post
                        Camera works GREAT! Better than expected.

                        I think my next job is going to be how to properly apply silicone around the camera to keep water out of the trunk. Anyone here have any experience with this???
                        If you bought a mid range priced camera then it has built in rubber gaskets on the camera. As soon as the camera sits flat on the metal, it is sealed.



                        Here is from the inside. I applied a small amount of silicon on the inside, but not much. The gaskets that came with it are really good. Now if you messed up and made a f&*ked up hole, then thats a different story. Your camera should have came with the special drilling tool to make the hole perfect.

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