I recently bought a xdma 6630 headunit from dual av to replace my factory stereo in my 1999 toyota camry. I wired everything according to the instructions and had to use a toyota manual to find the ground, constant, and switched wires. Now my problem is that whenever i turn the volume up relatively loud (nothing that'll deafen you ears) the sound stops working. Its not like it gets distorted the sound just clicks off. The stereo stays on and the only way i can get it to work again is to detach the wire harness from the back and plug it back in, turning it off and on doesn't fix the problem. I've checked the fuses in the car and the fuse on the back of the stereo but they are fine. I just don't really understand what could be the problem, any suggestions? I also just replaced my 6 1/2's in the front and the 6x9's in the back