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    kwest883's Avatar
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    New power wire for radio, how do I run it?

    A buddy of mine bought an 87 mustang, and the wiring for the stereo is a mess, I've deciphered most of it, the only problem is, the power wire is coming straight off the battery, which means its live all the time, and if I hook that up, it'll drain the battery

    So I've got to run a new power wire that will switch off when the car is off, so how do I do that, do I go from the back of the fuse panel?







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    Re: New power wire for radio, how do I run it?

    FYI, the radio has a constant 12v and an ignition 12v. This is so the radio can retain memory.



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    Re: New power wire for radio, how do I run it?

    I know that, but with the constant 12v only it won't turn off with the car, so for the ignition 12v can I just run it from the back of the fuse box?




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    Re: New power wire for radio, how do I run it?

    Quote Originally Posted by kwest883 View Post
    I know that, but with the constant 12v only it won't turn off with the car, so for the ignition 12v can I just run it from the back of the fuse box?
    Just find an ignition hot wire under the dash.. splice it into that and fuse it... I miss my mustangs, but i don't miss the speeding tickets.




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    Re: New power wire for radio, how do I run it?

    Quote Originally Posted by kwest883 View Post

    So I've got to run a new power wire that will switch off when the car is off, so how do I do that, do I go from the back of the fuse panel?
    there should be a factory wire running to the deck hole that is switched. might be yellow/black but not positive. anyway, if you find no switched power make sure all the fuses are good and none are missing where they are supposed to be some. also the cig light might be switched so you can tap off that if it is.




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    Re: New power wire for radio, how do I run it?

    Digital (or even analogue) Multi Meter for the win.




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    Re: New power wire for radio, how do I run it?

    Even a 5$ test light would help you find that wire.




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    Re: New power wire for radio, how do I run it?

    lick you fingers and SQUEEZE the wire you're testing and ground




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    Re: New power wire for radio, how do I run it?

    connect the ignition wire to the fuse box. i used the wiper fuse. i had to do that in my audi since there is no stock ignition wire.



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