Engine cooling system fan connection diagram: 1 - fuse box in the passenger compartment; 2 - main relay; 3 - relay and fuse box in the engine compartment; 4 — low speed fan relay; 5 - high speed fan relay; 6 - Low speed fan resistor; 7 — ECU; 8 - refrigerant pressure sensor; 9 - air conditioner switch; 10 - coolant temperature sensor; 11 — electric motor of the cooling system fan
* with ECU MR-140
** with ECU HV-240
(The material was created based on information from the website: ChevyMan.ru)
