Originally Posted by phil_the_thrill

i went to put my pioneer headunit into my car a while back. i bought the harness from crutchfield but when i hooked it only half my speakers are working. i turn the balance all to the right and it plays but i turn it all the way to the left and nothing. so i figured it was my headunit since it was like 2 years old. so i bought a new panasonic headunit and its doing the same thing. the blue wire and the blue with a white strip are the amp trigger wires correct? anyone else run into this problem or have any suggestions?