Wiring diagram for electrically operated exterior rear view mirrors: 1 - fuse box in the passenger compartment; 2 - relay and fuse box in the engine compartment; 3 - outside mirror switch; 4 — mirror folding control unit; 5 - left outside mirror; 6 - right outside mirror; 7 - mirror heating element; 8 — electric motor for turning the mirror in the vertical plane; 9 — electric motor for turning the mirror in the horizontal plane; 10 — mirror folding motor
[The text of the article was obtained from the website: ChevyMan]