Question about 1999 Buick LeSabre
You can hear all the other stuff working when pressing the buttons,opening and closing sounds, heat seeps out the vents only thing not working is the blower fan for the heater
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Posted on Jan 02, 2017
it will be hard to diagnose with out having my hands on it but try this.
this vehicle is known for blower motor resistor failure.
under the dash on the passenger side next to the blower motor there is a resistor attatched to the blower motor case it will have a single plug with 5 or 6 wires in it, they are normally within a couple of inches of the blower motor, remove this resistor and look at closely for any signs of burning this is a common problem, you can buy one at any parts house, do not operate the motor with the resistor removed from its mounting hole or you will damage it.
if the resistor looks good than purchase you a test light and drop me a line and i will explain how to test the entire system its not hard to do.
Posted on Jun 14, 2009
I believed the a/c blower is a relay activated. So no fuse getting blown to make it to go bad. Try to locate such relay (the ID label is found inside the relay cover assembly). Swap it with an identical one before making a trip to auto part store.
Posted on Jun 04, 2009
This could be several things. First I would check that the thermostat is not stuck open. This will condition will make the car run cold when it is cold outside.
If this is not the case........and I'm assuming you've already checked that the antifreeze is full, make sure that the heater valve is working. If it is frozen in place then it won't move and won't allow the warm water to circulate through the heater core.
I'm basing my answers on a standard Lesabre. Yours may not have the standard climate control.
Posted on Feb 15, 2010
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