Wiring Diagrams Manuals
24 manuals, free to read online
1967Wiring Diagrams1967 GMC Truck Wiring Diagrams 1500–9500X-6705
1968Wiring Diagrams1968 GMC Truck Wiring Diagram ManualX-6805
1969Wiring Diagrams1969 GMC Truck Wiring DiagramsX-6905
1970Wiring Diagrams1970 GMC Truck Wiring DiagramsX-7005
1972Wiring Diagrams1972 GMC Truck Wiring DiagramsX-7205
1973Wiring Diagrams1973 GMC C/K Truck Wiring Diagrams (C/K 10–30 pages)X-7305
1974Wiring Diagrams1974 Chevrolet/GMC C/K and G Truck Wiring DiagramsST-352-74
1975Supplement1975 Chevrolet Light and Medium Duty Truck Wiring SupplementST-352-75
1976Wiring Diagrams1976 Chevrolet/GMC C/K Truck Wiring DiagramsST-352-76
1977Wiring Diagrams1977 Chevrolet C/K Truck Wiring DiagramsST-352-77
1978Wiring Diagrams1978 Chevrolet Light Truck Wiring DiagramsST-352-78
1979Wiring Diagrams1979 Chevrolet Light Truck Wiring DiagramsST-352-79
1980Wiring Diagrams1980 Chevrolet Light Truck Wiring DiagramsST-352-80
1981Supplement1981 Chevrolet Advance Information Shop Manual Supplement (Wiring)ST-356-81A
1982Wiring Diagrams1982 GM CK LIGHT TRUCK Wiring Manual 1B 1GST-386-82
1983Wiring Diagrams1983 GM Wiring Manual CK P G 10–30 and STST-386-83
1984Wiring Diagrams1984 GMC C/K Light Duty Truck Wiring ManualX-8430
1985Wiring Diagrams1985 Chevrolet/GMC C/K Truck Wiring DiagramsST-352-85
1986Wiring Diagrams1986 Chevrolet/GMC C/K Truck Wiring DiagramsST-352-86
1987Wiring Diagrams1987 Chevrolet/GMC Light Duty Truck Wiring ManualST-350-87
1988Wiring Diagrams1988 Chevrolet/GMC Light Duty Truck Wiring ManualST-350-88
1989Wiring Diagrams1989 Chevrolet/GMC R/V and P Truck Wiring DiagramsX-8940
1990Wiring Diagrams1990 Chevrolet R/V and P Truck Electrical Diagrams and DiagnosisST 350-90EDD
1991Wiring Diagrams1991 GMC R/V and P Electrical Diagrams and DiagnosisX-9140