To use the stock sub with an aftermarket head unit you need to take the two large pink wires that are on the stock head unit connector and hook them to a relay output.
Run +12V to the relay input and control the relay with the remote output of the aftermarket head unit.
In stock form the sub amp gets it's power from the head unit, But aftermarket remote turn-on's do not have the current amps to run the sub amp. Others have taken the two wires and run them to accessory power as well but occasionally this will cause a humming in the sub if the stereo is off.
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Happiness isn't around the corner...
Happiness IS the corner.ZZ4 Powered !![This message has been edited by Oreif (edited 04-28-2008).]