I just bought some 6 1/2 pioneers and the speaker harness for my front doors of my 04 impala. I have the sound system with the stock amp. when i took my doors apart i found a speaker and a seperate tweeter next to it. when i removed the speaker i found the wires soldered right to it, there was no plug, and there were 4 wires, 2 to the tweeter and 2 to the 6 1/2 speaker. I didnt want to pull the wires off the speaker and hook up the pioneers only to find out that they wouldnt work, im thinking you cant replace the stock speakers with the sound system i have?? Has any one else run into this?