GL1500 Radio Help. Any Professional Radio Installers Out Here?

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Without going into too much detail, I would like to know if there is a female adapter for the main connector that plugs into the radio. I know that Scosche and Metra make all different configurations. The main harness is a white 18 pin connector. It is a two row setup with 2 notches in the bottom and the 2 top corners ar angled. Here is the configuration but it is not drawn to scale: http://www.gwrra-mi.org/chapter/B/Library/Honda%20Goldwing%20GL1500%20Radio%20External%20Wiring%20Diagram.pdf

I am trying to keep from hacking into the main harness. I want to keep the factory wiring intact. If anyone has any ideas, I would be grateful.