Question about 1997 Buick LeSabre

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Blower motor stopped.

Blower motor fine. Can't locate the heater relay. Is it possible it could be the resistor. Are there any tricks to removing those three 7/32 bolts that hold the resistor unit in place, too tight against the firewall.

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I used a 1/4 inch universal with a shallow 7/32 or 5 mm socket and a 5 inch extension. It is not fun to get to the bolts but it can be done. Good luck if this helped give me a rating.

Posted on Dec 24, 2008

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My heater blowers dnt work and i need to knw where i can locate the resister blocks for my heater blowers so i can ghange them


Its located under dash,or near glove box.

The dash panel lower side has to be out.

HEATER BLOWER MOTOR


Its faulty blower motor resistor. The low and medium speed on blower motor is controlled by resistor and its actual speed is high. So because resistor is not working, blower motors actual speed which is high is working.


It can be faulty blower motor or faulty blower motor resistor. Get the blower motor inspected. If it's faulty it has to be replaced.


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For blower motor testing and replacing, check the link below: ----

Blower motor Testing/replacing for all vehicles?

http://repairhelpcenter.blogspot.in/2012/02/blower-motor-replacing-for-all-vehicles.html

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These will help.

Thanks.

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I have a 2000 grand prix 3.8 with heater problems. i have changed the heater core, thermostat, resister, blower, the 2 relay switches and heater fan. there still is very little air coming thru.. any...


The blend door may not be working properly. It is actuated by a vacuum motor.

or the following part may be bad:

Blower Motor Control Module Removal & Installation To Remove:
  1. Remove the insulator from the right side of the instrument panel.
  2. Disconnect the connectors from the blower motor resistor and blower motor.
  3. Loosen the two forward screws and remove the rear screw of the resistor assembly.
  4. Remove the blower motor resistor assembly.
To Install:
Install the blower motor resistor assembly. Install the rear screw and tighten the forward screws. Connect the electrical connectors to the blower motor and resistor assembly. Install the insulator under the right side of the instrument panel.
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Jan 21, 2011 | 2000 Pontiac Grand Prix

1 Answer

Need to replace ac/heater fan resistor I am not sure of the location does anyone know? Thank You


The Blower Motor Resistor is located on the passenger side firewall, not far from your A/C's H-Valve (or expansion valve), going inside of the vehicle. The blower motor resistor has a 4 or 5 way black connector plugged into it and this is the only visible portion of the Resistor you will see. Remove the wiring connector and remove the 2 or 3 screws with an 8 mm or 5/16" socket (8 mm and 5/16" are the same). Once the screws or fasteners are removed, just pull the blower motor resistor out of the firewall and if you look at it, it will have various coils of wire on it, sometimes it will show burnt coils, but you can always check the various coils with an Ohm-meter.

Aside from that, install the new Blower Motor Resistor and Voilà! Your inside Blower Motor should work just fine.

A brief note here, if your fan doesn't work when the fan switch is on High, then it's not the Blower Motor Resistor, but possibly the Blower Motor itself. Should this occur, please get back to me insofar as how to replace the blower motor and why the blower motor's wires have to be twisted...even with the new blower motor fan.

Best of Luck,

"00 Buck"

"Still living on the Right Side of Dirt..."

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1 Answer

Access location of front heater blower motor


It located behind the dash on the Passenger side.
And yes you can easily do this yourself saving you alot of money! Have you first checked the Front Blower Motor Relay located in the IPM Relay and Fuse Box located inside the engine compartment? Remove the cover. The location identification is located on the back (inside) side of the Cover. You can switch-out a similiar size and shape Relay and check the operation. If the Blower now works then the Relay was bad and needs to be replaced. The Motor and Resistor cost alot more money than the Relay.
Before we do this: What is the Motor doing? Nothing? OR DOES IT WORK ON HIGH ONLY? If the Motor works on High only then it is not the Motor but the Blower (Fan) Motor Resistor. This is located near the Motor. It is identified by 3 to 4 wires going into it. Remove the two (2) retaining nuts/metal screws and remove. Disconnect the wiring connection and replace. I don't want you to replace the Motor and find out you wasted your money when it was the Resistor.
It could be also both the Motor and the Resistor.
Direction to remove/replace the Blower Motor:
1. Disconnect the Negative cable from the Battery and wait two minutes. This is to de-energize the Air Bag System which you will be working near.
2. Remove the Glovebox.
3. Remove the four (4) hex screws holding on the Blower Motor Cover.
4. Remove the three (3) nuts/screws holding in the Blower Motor. Make sure you support the Motor, as it will drop down.
5. Disconnect the electrical connection.
Installation is the reverse of the above.
Check operations before putting the Glove Box Back on.

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4 Answers

I HAVE AN 06 H3 HUMMER the heater was blowing fine when I shut the car off ok, when I got back in and started it the heaters blower stopped. I have checked all fuses and relays and they are fine I even...


I just solved this problem on my 06 H3. My fan just stopped working on all settings. My problem was the resistor pack. It internally shorted and burned the harness. Once you locate the parts it is only like a 30 min fix. Under the glove box is the blower motor. There is one red plug, that is for the resistor pack. Under that are two screws holding the resistor pack in. Check to see if the red plug is burned, if it is, replace it. Then replace the resistor. The harness to replace also has two other connectors at the blower motor(one for a relay that is beneath the blower motor and one that actually powers the fan). The harness (for an 06 H3) is part 25867517 List Price $28.68 and the resistor is part 10397098 List Price $37.72. Hope this helps..

P.S. The motor is a regulated ground don't apply power to this wire. The Brown wire is 12V+ and the Orange wire is regulated ground. Here is the diagram.

http://www.justanswer.com/view_image.aspx?href=/uploads/Larrycarley/2008-09-04_124041_blower_diagram_1.gif

Jan 16, 2009 | 2008 Hummer H3

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