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I just installed an amp to my 2017 base with 6 speakers. I tapped acc 12v from cig. in the fuse box for remote amp turn on. Stock radio has about 5min+ delay off when you take the key out but cig (or any others in driver side fuse box) doesn't. So when I turn off the engine, the radio is on but no sound. Does anyone have a solution for this?
 

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Drives : Nissan NV200 Flies : Rans S6ES
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Does anyone have a solution for this?
Yeah, you could use the power supply for the aerial amplifier as the remote amp turn on.
That power supply comes from the radio itself so it'll be live as long as the radio is powered up.

Personally, I'd use the aerial amp supply to control a relay then let the relay control the amp.
That might be over kill but I don't know how much current your amp remote circuit draws and
Hyundai don't tell us how much current the aerial amplifier switch inside the radio can source.
Better to err on the side of caution and fit a relay between the two, IMO.
 
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