Hopefully the below pictures will be of use to those with electric window problems.
These are taken from the 1991 wiring diagram green book, i would imagine the circuit design has rarely changed over the years, the colour of wire might have done.
General layout of where the power window loom lays in the car and the various connectors, so you'll be able to do fault tracing or continuity testing for each section.
Detailed wiring diagram of the power window circuit, with examples of how the power runs through the circuit to help you understand how they work.