I have an 07 type s tl and ive installed an amp and 2 12's.I first installed them to tap into the back subwoofer power with a high low module then tried to run it in the front off the stock amplifer wires.I have some interference when the car is on and when i open one of the doors the sound goes away.Can anyone help me out.

 

Have you disconnected the ANC microphones? There are two of them...one in the front, and one in the back.

 

Ub mean the ones for bluetooth? I had a friend do it but i dont think he has done that.how do i go about finding dem

 

I was the FIRST that I know of, that went through this...

There's 2 small microphones you have to unhook. The interference is coming from the "active noise cancellation" that is only on the TL-S.

Pop off the cover up by the sunroof controls, and unplug the SMALL microphone in there. The 2 big ones are for the bluetooth and voice commands, leave those alone.

Then, there's one more in the BACK in the upper headliner... same thing, pop out, and disconnect...

Feedback GONE!

 

I agree with the other posts that this may be caused by the ANC microphones which are disabled when you open the door. It seems like others with the TL-S are having this problem. However, I had a simmilar problem with '06 that ended up being related to the stock sub still being plugged in.

When I finally isolated the problem, I realized that what was happening was that when the aftermarket sub was turned on (receiving signal from the stock sub still plugged in) it was actually moving the factory sub causing the coil to put interference into the signal line, thereby causing the aftermarket sub to produce a feedback tone.

The problem would always stop when I openend the doors because the air pressure in the cab would be released and the factory sub would not be affected anymore. I blame the free-air design of the sub. Anyways, in my specific case, simply unplugging the stock sub (yet still pulling signal from that wire) solved my problem. Hope this helps.

 

Ok guys we looked in the car and found the two microphones and disconnected it and it did the job.Thanks for all of ur feed back and help.