Question about 1992 Buick LeSabre
Blower switch drops from hi speed to next lowest plus the other speeds will work but sometimes will come back on then off.I have not found a short
If your Buick has "automatic HVAC" (you set a temp and it stays there) you do not have a resistor but a electronic controller. The common failure on these is the blower stays on when the key is turned off. In either case, the part is usually located on the engine side of the duct work. it will have wires/connectors and be in the airflow of the blower.
Posted on May 12, 2014
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Posted on Jan 02, 2017
the hvac selector switch in the dash may be the problem.You need to remove the switch and look at the connector on the back of switch,see if there are any burnt wires at the connector or switch.It's all electronic and the switches have been known to burn out on this and other model.
Posted on May 26, 2009
The resistors are located in the firewall just above the blower motor. they have a heavier gadge wire going to it. As for the water if it is not antifreeze then you have a leak in your cowl area by the lower windshield. I ran in to this problem on several gm cars such as yours it can be deficult to find good luck
Posted on Oct 20, 2009
Testimonial: "Iccjester, thanks for the information it was very helpful much appreciation Mike S 1999 Buick Century"
Yes it is the blower Motors Resistor board. It is up behind the blower motor, just under the glove box. You have to remove the black KICK panel with its two "Push Pins" that will break too. There are 3 screws holding that resistor board in, the back two are a bear to get to. Good luck.
Posted on Feb 26, 2010
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