Haynesonline.com sells auto repair manuals for Honda Civic, Civic Si and Civic Wagon covering the years 1984 through 1991. The Honda Civic Haynes Repair Manual includes complete information on wiring diagrams, electrical systems, engine repair, routine maintenance and other information regarding basic maintenance and repair.
Some auto parts retailers, such as AutoZone, provide select wiring diagrams for 1987 Honda Civic and other Honda models. The diagrams include engine wiring for Honda Civic sedans, wagons and hatchbacks from the model years 1985 to 1987, and chassis wiring for model years 1986 to 1987. Manual repository sites, such as ManualsLib, also provide wiring diagrams and schematics for infotainment systems.