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Regina Rogers Posted on Oct 16, 2019
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Where is the location of the blower motor resistor on 2008 buick lucerne

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Jeff Armer

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  • Buick Master 3,418 Answers
  • Posted on Oct 16, 2019
Jeff Armer
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Is the heater / A/C system manual or automatic ? It doesn't really matter , both systems have a blower motor control module , not a resistor .

https://www.youtube.com/watch?v=8NXjUlDwZs0

Your best bet , take it to a qualified repair shop .

5 Related Answers

A

Anonymous

  • Posted on Nov 05, 2008

SOURCE: location of blower resistor

The 96 LeSabre Custom and LeSabre Limited use an electronic module in place of a blower resistor.
It is under the hood on the firewall on top of the heater plenum, but below the relay rack.
They tend to short and run on high until the module burns out and then it quits.
The same part is used on many high-end GM cars from 92 to 96. The electronic module has two connectors on it. (If yours has only one plug it is a real resistor pack and not electronic.)

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Anonymous

  • 71 Answers
  • Posted on Dec 01, 2008

SOURCE: location of blower resistor

The resistor is located on the blower housing on the firewall under the hood under the relay center boxes.

emissionwiz

Marvin

  • 85242 Answers
  • Posted on Mar 10, 2009

SOURCE: Low speeds on Blower Motor do not work.

this is caused by a burnt out blower motor speed control resistor module.

Anonymous

  • 4 Answers
  • Posted on May 30, 2009

SOURCE: have to change blower motor resistor where is it located

Located behind glovebox. 2 screws and 2 plugs. very simple

Robert Debison

  • 412 Answers
  • Posted on Jun 12, 2009

SOURCE: help with location and replacing blower motor resistor

depends on what year van..1996-2000,located in engine compartment just above right strut tower at firewall..2001-2007..located behind glove box

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2007 Buick Lucerne CX 3.8. Blower motor not coming on.

Question edited for clarity, 'year make model' should be first as it is the most important piece of information and allows the site scipts to suggest the category.
Question moved from Misc to make model category.

The climate control is controlled from the Body Control Module. You will need an auto electrician with a pro grade scan tool computer to check the data network for the heater controls.

https://www.google.com/search?q=2007+Buick+Lucerne+CX+3.8.+Blower+motor+not+coming+on

https://www.google.com/search?q=auto+electrician+near+me

..
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I hav a 2008 buick Lucerne the blower motor will not work.i have replaced the motor,blower motor resistor,checked all fuses and still no blower motor.

Nowhere did you say you had checked the motor power supply - the typical heater motor circuit supplies the motor with power and provides a ground through the switch via the resistor for lower speeds and direct for high speed.

With late model fully computerised cars, switching duties are usually carried out by a black box at commands from the dashboard switch. Sometimes the circuits are unconventional which is why a circuit diagram is very desirable before troubleshooting.
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Heater blower not working on my 2007 buick lucerne. Is it a fuse?

Could be ! could also be the blower motor is bad or blower motor control module .
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What are you using to test this control signal ? Were you on right wire ?
Blower Motor Control Processor The blower motor control processor is an interface between the HVAC control module and the blower motor. The blower motor speed control, battery positive voltage and ground circuits enable the control processor to operate. The HVAC control module provides a pulse width modulation (PWM) signal to the control processor in order to command the blower motor speed. The processor supplies 12 volts to the blower motor through the blower motor voltage supply circuit. The control processor uses the blower motor ground as a low side control to adjust the blower motor speed.

Chevy Trailblazer EXT Blower Motor Won Turn Off The blower motor in this video don't shut off , but he show's how to test the PWM signal right !
Your blower motor control module is probably bad , or HVAC control panel is bad , or a wiring problem !
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I don't believe their is a relay necessarily. sounds to me like the resistor bank in the air ducting close to the heater motor in the dash
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