I have a non-electric window L series and I have a set of 4 electric window doors ready to put onto the car complete with the switches on the doors, and the main switch cluster on the driver's door....but I don't have the electric control unit for in the car. I think theres a little box usually located under the drivers seat with a wiring harness? But I haven't spent any time tracing stuff in my touring wagon to compare - hoping somebody can just volunteer the information so I dont have to

Basically just need to know what to grab from a wreck to make this work.
thanks in advance!