Retained Accessory Power, 2000 Cavalier

take the radio out if u can, there are a couple wires u can tap into but u cant tap more than one remote wire into a single wire as it cant handle the load (something like that, i had origionally put the amp and X-over remote wire to the same source but it wouldnt play, so i just ran a seperate wire.  i tapped into a yellow and blue wire...not the prettiest job but it works.  this Install was on a sunfire but the setup is the same as i have a friend with an '01 cavalier, the difference is that geting the dash off to remove the deck is a pain in the cavalier, but once its off its only 4 bolts to the deck.  just to make sure though take a voltmeter and test the wires with the door closed and car off and also with the car on, just to make sure.