Question about 1989 Buick LeSabre

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Buick Lasaber heater fan not working

Blower works with jumper wires, where is the blower relay?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 57 Answers

SOURCE: Air conditioner/heater blower fan on 1997 Buick

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.

wesleyschacht@hotmail.com

Posted on Jun 14, 2009

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dgjtex
  • 405 Answers

SOURCE: Heater/AC Fan does not work in our 1998 Buick Century

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

StormStrikes
  • 104 Answers

SOURCE: I have a 1995 Buick LeSabre. The heater blower motor is inop in o

There are actually two possibilities for your issue. First is the blower motor resistor as you stated as a possibility. The blower motor resistor is usually located inside the blower motor housing unless the blower motor is mounted horizontally and is accessible from the engine bay (which I do not believe is the case in your Buick) in which case the blower motor resistor is going to be located in close proximity to the motor.

The other possibility is that the ignition switch is going bad. Now, this may seem strange at first, but GM ran much of the power for the accessories through the ignition switch and as a result, carbon builds up on the contacts and starts to affect the operation of the accessories. However, I dont think this is the case in your issue as that is normally accompanied by issues with other accessories like the radio and such.

I think it is more likely that the blower motor resistor is bad in your case. I believe your blower motor is located on the passenger side, against the firewall close to the center console. If you contort yourself in a way where you can look at the bottom of the blower motor housing you may see a connector on the bottom, or a small access panel. If so, that is likely the blower motor resistor.

Posted on Dec 31, 2008

  • 1596 Answers

SOURCE: 1995 Buick Lesabre- heater blower

Notes Electronic Automatic (RPO C68)/ Dual Zone Air Conditioning (RPO CJ2) 62396444

Posted on Jan 09, 2009

EnginEar
  • 57 Answers

SOURCE: location of fan blower relay

On most GMs, the fan relay is inside of the fan housing. It uses the fan to keep it cool, because the resistors generate a lot of heat. These resistors go bad usually one at a time until all you have left is high speed. You have to remove the fan and there it is! It is a big pain to be upside down, but with a light and a mirror, you can see it easily.

Posted on Apr 12, 2009

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Jan 30, 2016 | 1977 Buick Electra

1 Answer

My heater/air conditioning fan stopped blowing. Checked fuses, they are fine. No power to fan.


cooling fan relay could be bad,check relay by making a fuse jumper wire.look at the relay control circuits on relay look for control circuits terminal number 85 and terminal 86 hook fuse jumper wire terminal 85 on relay to good ground and take terminal 86 on relay hook up a jumper wire touch battery positive terminal relay should click if not, relay bad.

Sep 08, 2012 | 1995 Buick LeSabre

1 Answer

1993 buick park avenue heater won,t work.checked all fuses an relays


i beleive you did more than that.? you,ll probably find all have a common earth , chech and remove it , clean with a wire brush and replace, also chance the fuse you removed and replacer reguardless of it,s appearence , ensure its put back in the correct location,peter.

Sep 03, 2012 | 1993 Buick Park Avenue

1 Answer

1998 buick century my heater and ac fan only work on high i'm told it's the blower relays where are they located


they are not relays its a blower motor resistor a one piece unit usually held in by two bolts and an electrical connector either under the passenger side dash or behind glove box

Aug 03, 2012 | 1990 Buick Century

1 Answer

The cabin blower not working.


Not sure what vehicle you have, I wont beable to give you specifics. Using a jumper wire, unplug heater motor and applie 12v jumper wire and ground if 2 plug connector. If the fan does not come on, replace the fan motor. If not, you will have to investigate wiring.
Next, remove a/c relay and see if the a/c pump stops. If it stops you have a bad relay or you have a control wire grounded.

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1 Answer

I just put a new heater blower on my car there is power running to it but it wont turn on


DID YOU HOOK UP THR GROUND WIRE .. IF YOU DID YOU STILL PROBILY DON'T HAVE A GOOD GROUND SO MAKE SURE IT GROUNNDED WELL YOU HOOK A JUMPER CABLE TO THE NEG SIDE OF THE BATTERY AND THEN TOUCH THE OTHER END OF THE JUMPER TO BARE METAL ON UR NEW BLOWER IT SHOULD START IF YOUR GROUND IS BAD MAKE SURE YOU HAVE YOUR FAN SWITCH ON WHEN YOU CHECK THE GROUND ,,, OK CHECK YOUR FUSE AND OR RELAY IF THIS DON;T WORK .... BUT USSALLY ITS JUST THAT THE NEW MOTOR IS NOT GROUNDED GOOD ENOUGH ..

Mar 04, 2011 | 1999 Buick Century

1 Answer

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Check the blower relay,and the blower switch.

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1 Answer

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It sounds like either a blower relay or the blower motor went bad.If you can run a jumper wire from the battery to the blower and the blower works then its the relay thats bad

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1 Answer

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Could be the fuse or the relay control,unhook blower motor and use a jumper wire with 12volts to make sure the problem is not the fan motor.then check the fuse,relay,and lastly the blower motor resistor

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1 Answer

Cruse control


Does your blower fan work on your heater/ac or your rear defrost work it could be the igniton switch were you put the key in. Turn the car on and off several times once you notice the cruise will not work and see if it starts to work if it does than it is the ignition switch this just happen to my 2003 century.

Sep 14, 2008 | 2003 Buick LeSabre

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