If you supply it with any 12v the amp should work. It does need to be wired correctly.

What Do I Do With The Unused Wire For Ceiling Fan
Where does the remote wire go. If you cant find a remote wire from the hu you can use a switch. Well the remote wire is what runs from the back of the deck to the amp and that wire sends a signal telling the amp to turn on and off. When the amplifier senses this voltage it turns the amplifier on. The remote turn on wire receives voltage from the factory electrical system when the ignition is in the accessory or on position keep reading this document for the complete explanation. On aftermarket stereos its usually a blue and white wire. The remote power wire needs to be connected to a wire that goes hot either when the car is turned on or the radio turned on.
You might want to recheck how you connected up your stereos harness. That is your best bet because it wont go hot turn the amp on until the radio is turned on. This is to signal external components such as amplifiers or power antenae to. The remote wire is for powering on the amp. If there is only one blue wire then what id do is connect up the amps remote turn on wire to the stereos switched ignition wire yellow on the gm harness red on the stereos harness and run it through a switch so you can kill it when you turn the stereo off. The remote wire will tell your amplifier to turn on whenever the stereo is powered up usually whenever the vehicle is turned on.
I think this is where. The turn on wire also called the remote wire is located behind the stereo. To wire a switch to your amp you need wire the 12 connection on your amp to the remote on your amp. Did you try the speaker output lead from the factory amplifier. This voltage is transferred through the remote turn on wire to the amplifier turn on circuit. I have heard the blue remote wire goes onto the the wiring harness.
Posted on monday august 04 2003 2138 gmt. The remote wire coming out of your car stereo constantly sends a low voltage signal while the stereo is turned on. On my harness for the headunit it has a loose blue lead with a little piece of paper say att at the end. Step 7 install the remote turn on wire.