Question about 1997 Buick LeSabre
Locate the relay for the heater/ac control. it is likely located in the fuse panel under the dash and replace it. the second culprit may be the resistor block that controls the speeds of the fan. it is located in the ductwork under the dash close to the fan itself. fairly easy to spot as there will be a wiring harness plug that goes to it. two to three bolts hold it in place. they have a tendency to rust and may possibly be shorting out. check the relay first tho
Posted on Sep 28, 2010
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Posted on Jan 02, 2017
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