The 2002 Land Rover Defender windows are controlled by power window switch. The Power windows work only when the car is on start mode. The following schematic illustrates the 2002 Land Rover Defender RHD Windows Wiring Diagram and Electrical System Schematic. It consists of battery, fuse box under seat, switch ignition, relay and motor windows. (click image to enlarge)
Power is fed from battery into the door (20 amps fuse box satellite through ignition relay) on the driver’s side. This is transferred through the control panel for the window switch to a contact point located at the middle of the switch of each of four windows.