Question about Car Audio & Video
My car radio has no mute function but the phonemute. Now I want to put in a button to activate the phonemute without connecting a phone to the radio. Can anyone tell me what kind of signal the radio needs? Is it just 12V DC on the phonemute connector?
Thanks for your help
Try applying either 12v dc or ground via a 10 kohm resistor - the resistor should prevent too much current flowing.
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Posted on Apr 02, 2008
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Posted on Jan 02, 2017
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