Question about 2006 Dodge Magnum
Bobblevinsbu, You need to check the fuses first, especially the maxi fuses in the engine compartment. If these are good then try switching the fan relay with the horn relay. They are usually the same number so it is okay to do this. When you do this try the horn and if it works then the relay is fine. You should switch them back again and try the horn once again. If the relay and fuses are okay them disconnect the fans and apply direct power to them from the battery using jumper wires. If the fans operate while using this method then they are fine. If not then the fans need to be replaced. Finally the PCM gets a signal fron the engine coolant temperature (ECT)sensor located near the upper radiator hose where it connects to the engine. When this signal is recieved by the computer it will command the fans to turn on. If this is faulty then it needs to be replaced. First try to jiggle the wires going to the sensor when the engine is hot and you think the fans should be on. If you have a tester that will test resistance then probe the sensor pins and check what the readings are when the engine is hot and cold. There should be a significant difference. If not then the sensor needs to be replaced. Also try turning the AC on (engine running) and check the fans, they should be working when you do this. Good luck with this.
Posted on Apr 11, 2011
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Posted on Jan 02, 2017
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