Farmall 706 Wiring Diagram - Farmall & International Anybody have a good, clean wiring diagram to help a person out wiring the 706 gas? One with all the bells and whistles. Is there some place online? The diagram that came with the new wiring bundles isn't the best. Bob Case (706) - FARMALL TRACTOR (1/63-12/67) Parts Diagrams Case IH: Case (706) - FARMALL TRACTOR (1/63-12/67) Parts Diagrams (706) - FARMALL TRACTOR (1/63-12/67) CATALOG SEARCH. Note: Use keywords or part numbers instead of full sentences for best results. To View The Parts Diagram, Please Login or Sign 706 electrical diagram - Farmall & International Harvester I've been rewiring my 1964 gas 706 and am looking for a wiring diagram on the air filter restriction indicator and sensor circuit. Also I am looking for a schematic for the cigarette lighter so I can see where it is supposed to get it's power from. Farmall Tractor Wiring Harness - Yesterday's Tractors Farmall Wiring Harness, Main - Main cable with battery ignition for gas tractors: M, MV (serial number FBK229911 and above), Super M, MTA (serial number F501 to F28174 and L-500001 to L-504801). Cloth covered harness is manufactured to restoration standards.