The first generation CR-X was sold in some regions outside Japan as the Honda Civic CR-X. The name “CR-X” and what its acronym stands for is widely disputed, the most popular being “Civic Renaissance model X”.
The following manual contains detail information about 1990 Honda CR-X wiring diagram and electrical circuit system. Each electrical circuit section has a circuit schematic or wiring diagram, a component location index, and a system description. Certain complex circuits also has system operation charts, quick checks, and troubleshooting procedures. This manual is divided into sections as follows: how to use this manual, component location, troubleshooting precautions, main fuse box, dash fuse box, major power lines with color, power distribution component location, headlight switch, ground distribution, ignition system circuit and schematic, starting system, charging system, PGM-FI component location index, coolant fan, horns, rear window defogger, blower control, air conditioning fan and compressor control.
Find more information about Honda CR-X Wiring Diagram and Electrical System here (free download – source: hondatech.info).