Question about Pontiac Sunfire
Fan motor runs in all speeds but wont turn off via the dial or the car turned off
Posted by Anonymous on
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Posted on Jan 02, 2017
fan motor has a thermal switch which turns on the fan as soon as the engine heats up. what happened there is that the switch is stuck on the closed position which keeps the fan on all the time. you should go to a garrage and have the part changed.
Posted on Jul 22, 2008
it is called blower motor resistor , should be close to blower motor , you will see a plug type connector with two screws , remove the screws and there should be a resistor inside the cover for the motor, swap with new and reassemble
Posted on Feb 19, 2009
sounds like the sensor is becoming questionable or a hi resistance ground in this part of the blower sensor circuit
Posted on Oct 05, 2009
SOURCE: I also have a 2004
There are two probable causes for this problem.
The first is the fan power relay is sticking in the closed position and drawing power even with the key off. When you disconnect the battery the relay resets itself and you are back to "normal" until you run the cycle over again.
You noted that your SAAB has manual climate controls. It still may be a good idea to check the BCM harness ground connections. BCM is the "Body Control Module". I do not have a wiring diagram available for your car so can offer no additional advice other than to say that millions of dlooars are spent in the USA every year due to dirty or loose ground connections on computer and module harnesses.
All the best.
Posted on Nov 21, 2010
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