Question about 1989 Buick Century
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Posted on Jan 02, 2017
Fan will be under dash on passengers side , Removing glove box might be needed, Gm also uses a blower resister ro control fan speeds. First check your fuse and then check and make sure your getting 12 volts to the terminal at the blower, You could have a blown fuse, a bad switch, or a bad resister , if your getting voltage to blower motor then most likely it will be the motor. These are not to difficult to change. I hope this helps, please be aware I can only guess at what the problem is from my past experience.
Posted on Dec 18, 2008
SOURCE: cannot find cooling fan relay
check the owers manual for location usualy in the main electrical box under the hood. they are just a pull out plug with 4 prongs some times 5 pull straight back youll b fine
Posted on Apr 28, 2009
SOURCE: Cooling fan not activating
On most vehicles, there is a thermostatic switch located on the bottom tank of the radiator that controls the electric fan.
When AC is turned on, this switch is bypassed so its failure is 'cured.'
These switches aren't terribly expensive nor difficult to replace but ensure you don't lose coolant on the ground while replacing the switch since the stuff is tasty and toxic to animals.
If you like to be able to research and or repair minor problems like this, you might consider buying the Haynes manual for your car. This will also let you approximately access what a repair might cost for labor if you can see the degree of difficulty yourself.
Haynes Buick manual
These are available at auto parts stores often cheaper than the online price. We have on for (and IN) each vehicle we own since they can be lifesavers now and then.
Posted on Feb 27, 2010
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