Normally the wiring harnesses on cars are not labled with their functions like you just described. They are also not normally color coded in the way you are describing. So I assume what you're describing is a third party harness adapter that's already installed in there. Which is fine. The wire connections should be as follows:

Black - earth
Connect to black ground wire on empeg

Orange - illumination
Connect to the headlight sense wire on empeg (I forget the color but it should be labeled)

Yellow - memory
Connect to the yellow permanent power wire on empeg

Blue - antenna remote
If you have a tuner module, it will have an antenna remote wire that comes off of the extension cable, use that. If you do not have a tuner module, do not connect this wire to anything.

Pink (salmon?) - +12v ignition
Connect to the orange ignition-sense wire on empeg.

Quote:
And also where the P. Con Ignition wire from the amp should go

I do not know what you are describing with that wire. Is it on the amplifier or is it in the dash harness?

The amplifier should have its own power line going directly to the car battery through a weatherproof fuse block in the engine compartment. The blue amp-remote wire from the amplifier should connect to the blue amp-remote wire on the empeg.