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Yellow Wire has no power

The yellow wire is the memory wire and it has no power. I hooked the red and yellow wire to the red wire from car and my stereo works. But in order to save my settings when I turn off the car I need the yellow wire. Does anyone know what fuse makes the yellow wire active.

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  • lieberadam Jan 08, 2009

    My stock Radio was not installed when I bought the car. I had a friend take out my old stereo so that he could have it. The yellow wire was hooked up to the yellow wire on aftermarket stereo before. I'm not sure if a fuse is broken or a wire got pulled out. There is only one live wire and that is when the car is on. The yellow wire does nothing and I have no free wires except for the sub wires. I was told there was a fuse that is should be used for the yellow wire but im not sure which. If I do run a new wire, how do i get it from my battery to my radio.

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Your stock radio should have had a wire that does this. It may not be yellow so look up the wiring diagrams for your car. If you can't find it by doing that, then look up a diagram of your use box. Sometimes there's a diagram on the back of the fuse panel cover or somewhere around there that tells you what fuses are from what. You can then run a new wire if you have to.

Posted on Jan 08, 2009

  • J.T. Pickering Jan 08, 2009

    Ok... The good news is that you do have the ignition switched wire
    working properly. That's the complicated one. You should first try to
    run a new wire from the fuse box. Look toward the back of the box and
    figure out which fuse is for the radio. You might even see the other
    end of the missing yellow wire if it got cut off or broken or
    something. Then you can use that. If not, you'll have to run another
    wire directly from the + terminal of the battery itself. You will have to find a place to run it through your firewall (look for the spot where all the other wires go from the engine bay into the cabin) and use that. And you should use an inline fuse on this wire if your deck doesn't have a fuse built in.



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