Does nayone know where the BOSE factory amp in the trunk is grounded at? (What side etc.)

My speakers keep making a klicking sound and produce no music so I am assuming it is a ground issue. Checked the fuses etc and they are fine. Any other thoughts to fix this would be helpful. Head unit etc. are fully operational.

04 MT BOSE speakers....

 

If the intermittent sound is coming from the doors, then that may be where your problem is. Search for Bose Amp and scan through the door amp related threads. There's a relay in the amps that's prone to failure. I'm in the middle of replacing mine.