After installing my HU my rear left speaker isn't producing any audio at all(I am going to uninstall the HU and recheck the connections). Could someone please tell me which 2 wires are responsible for that specific speaker. I read on another site that the wires are
Left Rear Speaker Wire (+): Light Green/Red
Left Rear Speaker Wire (-): Black/Yellow

But I do not see them in this pic.

 

You have them connected correctly BUT You do need to connect that power antenna lead from the car harness to the head units antenna control. If you don't, the antenna amplifier wont turn on and your radio reception will be less than desirable. If you soldered those wires, unwrap and double check the connection for the rear speakers. Before doing that I would check the balance and fade on the headunit to make sure they are set correctl.
Also for grins and giggles make sure there are no bent pins.

Those colors the other site could be correct but its probably refering to the color of the wires at the speaker, or on the OEM plug, the one you are connecting that wiring harness too, not the aftermarket wiring harness you are using.

Rear left speaker is green(+) and green/black(-)

 

I used those color wires to connect my 07 Z.
what year is your Z? i hear some say different years are a little different but idk how true that is..

 

The Antenna connection is connected properly, this is just a pic taken from the avic install guide. But are these the left rear speaker wires, that are circled in red in the pic below.

 

Yes, the green are for the left rear.

 

So I just reconect those wires, and there's still no audio, I'm thinking that that speaker is prob. blown

 

Any Ideas

 

Switch the wires to the right side and see if the problem follows the wires or speaker.