Chevrolet truck fuse box diagrams. 1973 - 1979 fuse box diagram. !980 - 1987 fuse box diagram. Great resource if the lettering is worn off yours
2650-1991-77 InVision 1973-1987 CHEVY TRUCK DIRECT FIT DIGITAL DASH Fits 1973 to 1987 C & K series Trucks (includes Suburbans, Blazers, or what is known as "Squarebody Trucks". (1984 to 1987 models will have an unused wiper switch hole at the lower left of the dash bezel that can ...