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Electric Cooling Fans
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Electric Cooling Fans
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Component Locations
System Tests
On Vehicle Inspection
Testing Fans At Low Temperature - Below 181°F (83°C)
Testing Fans At High Temperature - 185-194°F (85-90°C)
Testing Fans At High Temperature - Above 194°F (90°C)
Circuit Tests
Cooling Fan Ecu
Component Tests
Cooling Fans
No. 1 Cooling Fan Relay
Continuity
Operation
No. 2 Cooling Fan Relay
Continuity
Operation
No. 3 Cooling Fan Relay
Water Temperature Sensor
Wiring Diagram