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Thread: Front & Reverse Camera Wiring Help

  1. #1
    Newbie
    Join Date
    Mar 2006
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    51

    Front & Reverse Camera Wiring Help

    I've tried searching but so far can't find any real help, so if some of you geniuses can help me I'd greatly appreciate it!

    Here's what I'm trying to do: I've got a headunit that switches to camera input when it sees 12V on the purple camera signal wire. I've currently got it working wired up to the backup lights so that when I shift to reverse, the backup camera gets power, the input signal is triggered, the headunit switches display and all is well. However, I'm wanting to add a front camera, and be able to A) have it operate with the reverse lights like it does now B) when I move the rocker switch backwards, it will signal the reverse input on the headunit and power the reverse camera until I switch the rocker back to neutral and c) when I move the rocker switch forwards, it will signal the reverse input on the headunit and power the front camera until I switch the rocker back to neutral.

    I'm not a wiring pro, but I know enough to be dangerous. I've drawn up two options that I think might work, one with diodes (which would be easier to wire) and on using relays. Can someone look these over and tell me if I'm missing anything, if I can simplify anything, or if there's an all together better way to do this? Also, if the diode method here works, I'm not sure exactly what diodes I would need to purchase. Any help is greatly appreciated!




  2. #2
    North of the land of Hey Huns
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    Join Date
    Jun 2004
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    Westminster, MD
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    Get a Fusion Brain. It will let you do all this much easier with a lot less relays and diodes.
    "stop with the REINSTALLS, what do you think we got some lame-o installer!!!" - mitchjs
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  3. #3
    Low Bitrate
    Join Date
    Dec 2011
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    64
    hey jhanson - not sure if you still need help with this... It's pretty old... I think the reason you didn't get many responses is because your wiring options are a bit unclear, because you're not really showing which wires are power, and which are signal, and I couldn't really determine exactly what you wanted.

    Do you only want to be able to switch to the forward camera while you're in reverse?? Or do you basically want your reverse camera to work when you're in reverse, but then you want to be able to flip a switch and see your forward camera at any time? Or if you flip the switch it would switch between the forward/reverse cameras when you put the car in reverse?

    If you can reply back I'll see if I can help you out.

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