ac to non ac wiring
Photo, description of plug shape, and wires colors
Have you looked in the service manual?
73 is the first year of the "new style" diagrams for A bodies. I think the index is page 8-154. There's a chart listed in the index that shows all connectors and their location. If you can't find it post back
You can download one here which will give you an electronic one. You can take screeshots if necessary and post photos of specific areas
http://www.forabodiesonly.com/mopar/showthread.php?p=1970088617
There was a similar thread on this the other day