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...sure sounds like a relay or temp sensor... swap all the matching relays around with matching ones in the relay box. The cost is zero. Start with the easy stuff. Has to an electrical issue..?
 

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Yes. Check all of the fuses, relays, wiring, connectors, associated with the cooling fan circuit.
The Body Control Module is what ultimately controls the on/off/speed functions of the fan.
 

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Are you try to change the temperature sensor?: is this sensor who says to the fan start,...through the ECU
 
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