The Location of a Cadillac Fan Sensor | It Still Runs The fan sensor, or cooling fan control switch by its more popular name, controls the operation of your Cadillac's radiator fan. When the coolant within the radiator reaches a specified temperature, the sensor activates the fan. Your Cadillac actually has two cooling fan control switches. Depending on 2003 Cadillac DeVille-Blower Motor Control Module - YouTube Mar 20, 2016Important. Remove Battery AND FUSE for Airbag before performing this procedure. Check Cadillac Service Manual for complete instructions. Thanks for watching!
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