Originally Posted by longtran
my as in my rear amp in the trunk? what if i change it out to an aftermarket amp?
You could test the analog outputs of the CIC once connected, but you will need a balanced signal compatible amp or converter to hear anything, and you will need to add RCA plugs to the speaker wires like this:
I would say, get the FSC codes first if there is no Nav display once you connect everything. That will give you the sound as well.