Where can you get a free wiring diagram for a 1986 Chevy Monte Carlo ss?
go to the library and get a chiltons repair manual for Chevy 1986.
Most auto parts stores sell "Hayne's" vehicle specific manuals. They cost from 15 to 20 bucks. The last section in the book before the index contains all the wiring diagrams for your vehicle. Its very user-friendly and has saved me many times. Wiring diagram of what system? 4 speed auto tansmission wiring diagram?