International Harvester Shop Manual

International Harvester Gasoline Model 454
International Harvester Gasoline Model 656
International Harvester Gasoline Model 666
International Harvester Gasoline Model 686
International Harvester Gasoline Model 70 Hydro
International Harvester Gasoline Model 80 Hydro
International Harvester Diesel Model 454
International Harvester Diesel Model 474
International Harvester Diesel Model 766
International Harvester Diesel Model 786
International Harvester Diesel Model 826
International Harvester Diesel Model 886
International Harvester Diesel Model 966
International Harvester Diesel Model 986
International Harvester Diesel Model 1026
International Harvester Diesel Model 1066
International Harvester Diesel Model 1086

Wiring diagrams for 766, 966 and 1066 models.