Where is the window relay for a 1990 Lexus ls400?

The window relay for a 1990 Lexus LS400 is located in the engine compartment fuse box. To access it, open the hood and locate the fuse box on the driver's side near the battery. Inside the fuse box, you'll find the window relay, which can be identified by the diagram on the cover. Always consult the vehicle's manual for specific details and diagrams.