Question about 2003 Chevrolet Cavalier

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Fan keeps running in my cavalier and drains the new battery i just bought. Relay switch bad maybe?

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I believe You have a bad blower motor resistor.You can find this resistor close to the blower motor.There will be a 2 wire connector that goes from the resistor to the blower motor.Good luck.

Posted on Nov 18, 2009

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Good chance the relay has gone bad and needs to be replaced. The heat from the current has damaged the relay and is seized to the close loop position causing the fan to keep running, Just remove the relay so the fan will not drain the battery over night, Good luck friend. 

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either the fan switch that controls the relay is stuck on or the relay itself is stuck in the on position

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i would deff check the relay i had a problem with my relay going out on my 04 but i just ran my fan to a togle switch so i can turn it on and off when i want it on when im in dead stop situations like traffic and also when your ac is on the fan has to be on or your ac will cut on and off to keep your car from really over heating in a hurry if your not moving, but i also run my car at the track and it helps to keep it cooler when racing down the drag strip.

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