PCM 3.0, 987.2 w/Bose: Need wiring diagram! No sound!
 

Anybody have a complete wiring diagram for a 987.2 (2009-2012) PCM3.0 audio system w/Bose?

Diagnosing a non-operational factory Nav + Bose setup. Radio fires up, thinks it's playing music, but no sound. Already found the dead fuse in slot E4 and now have 12V at the amp... but still nothing.

Wiring diagram would be super helpful. I'd like to start pinning out all the wires, make sure at least everything is connected.

Also, there is an 18-way socket on the amp that is not plugged in, in my car. Can anyone comment on what's contained specifically in that plug? (Long story short: my car is a complete .1 to .2 conversion, including electronics/interior/harnesses so I'm wondering if a harness is missing from my car...)

For reference, a photo (not mine) of the amp in the car... it's the middle plug I'm wondering about. (In the photo, the amp is photographed upside-down. The connector on the far right is the optical connection, the one on the far left, the big one, I have in the car, it contains the 12v line... but I don't have anything that plugs into the 18-pin smaller connector in the middle).

https://i.ebayimg.com/images/g/Qv8AA...gH/s-l1600.jpg