Wiring

What car do you have.
It’s a 74 dart but it has an after market wiring harness that’s wired up for the most part in terms of being turn key ready but the distributor ignition coil and alternator are not wired up and I don’t know how to wire them and I’ve searched for weeks trying to find a video or a diagram but there is not a single one that I could find they all are just for how to time and install the distributor but not how to wire it and I have no idea if I even have an engine control module in the car as I don’t know what It looks like it’s like all the videos I’ve seen just assume that the people watching know what everything is and knows where the tires go but I do not know