Question about Rockford Fosgate Punch 301S Car Audio Amplifier

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My amp will only turn on if the remote wire is connected to the remote and also touching the power terminal but if you do it like that then it wont shut off when you turn the car off please help

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The remote wire is meant to turn on the amp when it gets power.
Normally this is supplied by the REMOTE output on your AM/FM/CD/DVD dash device.
If the output on your car stereo is no longer providing power to the remote switch output, look for other things that only have power when the car is on.
The currend draw to the amp from the remote line is miniscule, and you can pretty much meter the fuse panel for things that only have power when the key is in the ACC or ON position, such as the in dash radio power line or some other suitable line.
Ideally you'll want something that supplies 12V in the ACC, and ON positions of the key, but not in the OFF position of the key.

Posted on Apr 09, 2011

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Posted on Jan 02, 2017

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Hello jarhead455,

It sounds like the remote terminal on your sub amp is not properly connected. The KDC-X493 has a wire to turn on a remote amp (Blue/White) and a wire for a power antenna (Blue). If the blue wire is connected to the amp remote terminal, the amp will only turn on when the tuner source on the receiver is selected. If the correct wire is connected, the problem is most likely in the receiver.

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No idea!!


Have you checked the on-board fuses on the amp?

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