72 dart wiring harnesss - pictures

started putting in the harness. Course I had to pull the old one out. Took about an hour cause I labeled everything as I went since this is my first and hopefully last time doing this. I had some cut wires and some that weren't connected to anything. Does anybody know where I can get a wiring diagram for a 72 dodge dart?
There was a small black box that I know is not OEM. I took some pictures of it. It was connected to the coil and had a red hot wire to the starter solenoid and what i think is the blower for the heat/ac unit. I think it's a switch but not sure. It should be last picture that I uploaded. What do you guys think?

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