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Discussion in 'Electronic Basics' started by Joel Sandler, Jul 24, 2003.

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  1. Joel Sandler

    Joel Sandler Guest

    I have a GPS unit with an audio output (stereo) and a car stereo with a
    GPS/Phone input. The GPS input is switched thru the ground, when the ground
    is opened the audio mutes and the GPS audio is played over the speakers.
    How can I create a switch the senses the audio, opens the ground and allows
    the audio thru?

    Any help is appreciated.
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