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When the AC is turned on, the cooling fans would operate immediately.
When the Ac is turned off, the cooling fans would not work until the engine coolant reaches the temperature required to activate the water temperature switch, located at rear of engine.
If it is confirmed that the fans do not work after the coolant temperature is high, check if the water temperature switch is disconnect.
If connection is good, disconnect the coupler and use a jumper wire to bridge the connector wire. Turn ignition on and if fans work, replace the temperature switch.
Wednesday, January 6th, 2010 AT 8:16 AM