Question about 2005 Buick LaCrosse

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Blower motor not working on 2005 buick lacrosse cxl

Replaced relay. Must be blower motor. where is it located?

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  • Buick Master
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Blower operation is handled by the HVAC control module which gets its power from the 10A HVAC fuse in the instrument panel fuse block. There is a blower motor control processor that gets its power from the 30A BATT MAIN 4 fuse in the underhood fuse block. The HVAC control module sends speed signals to the blower motor control processor which turns on the blower motor at the selected speed. Note that there is no relay involved. If you check the fuses and check the path to the blower motor you may find that the motor is OK and the trouble is somewhere else

Posted on Oct 16, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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Salvador Quintanilla

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SOURCE: Blower motor will not shut off. 2005 Buick LaCrosse

There is a bulletin for this fix.The bulletin number is 05-01-39-001A.This pertains to the blower motor staying on after key is shut off.What you will have to do is replace the blower motor resistor module and install a capacitor in the wiring.Part number is 25073556 for the capacitor.The blower motor is on the right side under the dash.Just remove the insulator panel and you should be able to see it if you look up into the dash.Or turn it on and listen for the blower motor.Disconnect the connector to the blower motor control module.Find cavity a and c.Cavity a is negative and cavity c is positive.C is red and A is black.Splice the positive lead of the capacitor to the red wire and the negative to the black wire.You should use splice sleeves and solder the wire on.Hope this helps.Good luck.

Posted on Dec 19, 2009

fierojohn48

  • 1 Answer

SOURCE: blower motor not working all fuses good.2003 buick

I just replaced the blower motor resistor on my 2003 Rendezvous. I bought the resistor at the GM dealership for $48 (AC Delco). The part number was 25928168. The fan now works in all five speeds.
For electrical parts, I only trust the dealership for the latest revised components.

Posted on Aug 26, 2011

Anonymous

  • 1 Answer

SOURCE: where is the blower motor relay located on the

how much would a new motor for a 1997 bruick would be?

Posted on Jan 22, 2010

techbuster

INDIRA KUMAR

  • 5081 Answers

SOURCE: Where are blower resistor and relay located on 1995 Park Avenue?

For most common location, open hood and look near cowl for a plug near the air conditioning box just forward of the windshield wipers. It should have several wipers and the resistor itself protrudes downward into the box held in place with two screws. Screws have 7mm, 8mm, or 1/4 inch hex head.

If not: look near blower itself under the dash on the passenger side. The resistor should protrude upwards into the HVAC housing near the blower.

Posted on Sep 17, 2009

Testimonial: "That was quick! Thanks! Perhaps in passenger compartment versus engine compartment!"

John Donahue

  • 593 Answers

SOURCE: where is the blower motor relay located on a 1997

There are 2 relays for the blower. The low blower relay and the high blower relay. They are both located
under the hood in the center of the firewall.
The low will have 4 wires from it, one lt. blue and 3 brown. The high will have 5 wires 1 purple(to blower mtr.) 1 black 1 dk blue 1 red and 1 orange.
Also, the blower resistor is in the same area if needed. Hope this helps.

Posted on Feb 11, 2010

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Blower motor will not shut off. 2005 Buick LaCrosse


There is a bulletin for this fix.The bulletin number is 05-01-39-001A.This pertains to the blower motor staying on after key is shut off.What you will have to do is replace the blower motor resistor module and install a capacitor in the wiring.Part number is 25073556 for the capacitor.The blower motor is on the right side under the dash.Just remove the insulator panel and you should be able to see it if you look up into the dash.Or turn it on and listen for the blower motor.Disconnect the connector to the blower motor control module.Find cavity a and c.Cavity a is negative and cavity c is positive.C is red and A is black.Splice the positive lead of the capacitor to the red wire and the negative to the black wire.You should use splice sleeves and solder the wire on.Hope this helps.Good luck.

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1 Answer

My blower motor won't shut off


I had the same issue. Brought it back to dealer and they replaced the blower itself. Below is the bulliten


Models:
2005 Buick Allure (Canada Only), LaCrosse
2004-2005 Pontiac Grand Prix

Supercede:
This bulletin is being revised to update Step 5 of the service procedure. Please discard Corporate Bulletin Number 05-01-39-001 (Section 01 - HVAC).
Condition
Some customers may comment on an inoperative or intermittent Heating, Ventilation and Air Conditioning (HVAC) blower motor. Others may comment that the blower motor speed may momentarily drop or that the blower motor continues to run after the key is turned off.
Cause
This condition may be caused by a voltage spike from the wiper motor. The voltage spike may cause a logic lock up in the blower motor control module that may be either momentary or permanent.

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Where is the power steering refill cap on a 2005 buick lacrosse cxl?


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Blower motor not working all fuses good.2003 buick rendezvous cxl


it may be a loose electrical connection on the blower motor or the switch itself.

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