rear speaker wires

[cwlemu]

I might be asking a tough to answer question. When I bought my trike it had a CD player, subwoofer and amp in the trunk.It was a major mess of wires and just plan junk.It was installed with no reguard for the original wiring. The person who installed it did not take any measures to ever reverse the install.I have figured out most of the factory wiring.The area I am having is the rear speakers.There were no wires that I can find connected in there conversion.I want to hook up the rear speakers but cant find the wires.What color are they?Where are they located?
Also does any body know what kind of speakers came from the factory? my rear speakers are sony. My front apeakers are wierd looking big apeakers.
Im hoping i dont have problems with the helmet to helmet portion of the system. Any help will be appreciated.

 

[Gold Rush]

PM Sent

 

[cwlemu]

pm sent