Question about 1999 Chrysler LHS

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Replace blower motor

The fan is not working at all

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Check relays and fuses first.

Posted on Jul 11, 2014

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2 Answers

2004 crown vic. only 63K miles on her. AC/heat fan was sporadically working, now its done. AC was nice and cold, working fine. Is the fan a hard replacement if I were to find one at a parts yard?


Try to check the power and ground on the blower fan. If you missing the ground on the blower fan connector than most likely it is the blower fan resistor (controller), it is located under the hood close to back firewall behind left cylinder head.

Aug 17, 2015 | 2004 Ford Crown Victoria

1 Answer

2003 Toyota Corolla AC Blower/Fan will not turn on, I replaced the Blower/Fan a few weeks ago,


A/c compressor works fine and the blower motor works and shutdown right? it is the problem with the blower resistor or with blower motor relay. try to direct the resistor irrespective of the speed. hope the problem may be solved.

Jun 05, 2014 | 2003 Toyota Corolla

1 Answer

2002 grand caravan blower motor intermittent replaced resistor


in review
the fan speed resistor is new
you bench tested the blower motor
12 volts test ..only runs it at full speed
if cabin filer want changed the blower motor would run hotter

could be the motor brushes or bush/motor bearing when slowed
you might want to inspect the brushes and clean the dust out of the motor
if no better
does that have climate control ?
might be the fan switch itself or the earth isnt so good

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Apr 01, 2017 | 2000 Dodge Grand Caravan

1 Answer

I have only high speed on my ac/heat switch. have replace acdelco blower motor resistor 2 times already. works for a while and quits. whatelse do I need to check etc?.


If you have replaced the blower motor resistor block twice all ready, i would be replacing the blower motor itself. When the blower motor is drawing too much current it burns out resistors for lower fan speeds in resistor block, but doesnt blow fuse for fan. Also check for leaves and stuff in fan when removing fan.

Jul 18, 2011 | 2006 Isuzu i-280

1 Answer

Heater fan works for a while then cuts off till it cools down




What can go wrong with a blower motor?
There are several things that may cause your blower motor to stop working. The simplest cause would be a blown fuse. If you replace the fuse and it quickly blows again, then you probably have an electrical short. Disconnected wires on the exterior of the blower motor can also cause it stop working, and if your blower motor gets dirty, it can get clogged or muddy which keeps the fan blades from spinning.

How do I test my blower motor?
When you are troubleshooting your blower motor, it is best to start by running the air conditioning or the heater to see if you can hear the sound of the fan. If you can hear the fan, it could be clogged or corroded with dirt. If you do not hear the fan, then you may have a bad resistor, blown fuse, or a loose wire. Next, you should replace any blown fuses in your car's fuse panel and try to start the blower motor again. If another fuse blows right away, you have an electrical short. If it doesn't blow out and the motor is still silent, then something else is wrong. In the case where the fuse lasts for a little while as the fan spins but then the fuse blows again, that usually means you need to replace the brushes on the motor. Finally, you can pull the motor out and visually inspect it for loose wires. If you don't see any and still want to test, try hooking it up to the battery to see if the motor will start. If all these tests still find you with a dead blower motor, it's definitely time to replace it.

How do I replace it?
Usually located under your vehicle's instrument panel, the blower motor can be removed and replaced. You'll need to disconnect the blower motor connector and remove the retaining screws holding it into place. Detach the fan retainer clip from the motor shaft that's located in the center of the blower wheel. You may need to save that piece if you are not replacing the whole motor. Inspect your new motor to ensure nothing is broken and the blades can properly spin. Re-attach the fan retainer clip, the retaining screws, and the connector so you can test your new blower motor out.

Dec 13, 2010 | 2001 Chevrolet Silverado 1500

1 Answer

My 1988 Ford Tempo's heater fan is not working. I can feel heat at the windshield vents,but the fan wont come on. I have jumped the fan speed switch with a paper clip--and blew a fuse--and checked the...


your circuit is simple--I will paste it below. suspect the blower has shorted and caused the switch to burn up. remove the blower and hotwire it to the battery to see if it works. If not, replace the blower. Then run continuity tests on the swoitch and replace switch if bad. If you have questions, please let me know. Here is procedure for taking blower out:


REMOVAL & INSTALLATION With Air Conditioning

  1. Disconnect the negative battery cable.
  2. Remove the glove compartment door and glove compartment by removing the retaining screws and bolts. Push the sides of the glove box in to free the drawer from dash panel.
  3. Loosen the instrument panel at the lower right hand of the glove compartment opening. This is on it necessary if the panel is in the way of the motor housing.
  4. Remove the retaining screws securing the ducting around the blower motor.
  5. Remove the clip securing the blower motor fan blade to the motor arm. Remove the fan blade from the motor.
  6. Remove the blower motor mounting plate from the evaporator case by unscrewing the retaining screws.
  7. Rotate the motor until the mounting plate clears the edge of the glove compartment opening and remove the motor.
  8. Remove the wire harness from the rear of the motor.
  9. Inspect the fan blade for broken edges or cracks. Replace if needed.

To install:
  1. Connect the wire harness to the rear of the blower motor.
  2. Install the motor into the case and secure with the retaining screws.
  3. Position and fasten the fan blade to the blower motor arm. Secure with the clip.
  4. Secure the blower motor outer housing to the duct assembly with the retaining screws.
  5. Install the instrument panel at the lower right hand side if removed earlier.
  6. Install the glove compartment door and glove compartment.
  7. Connect the negative battery cable.
  8. Run blower motors to make the motor works correctly.
Without Air Conditioning
  1. Disconnect the negative battery cable.
  2. Remove the right ventilator assembly.
  3. Remove the hub clamp spring from the blower wheel hub. Pull the blower wheel from the blower motor shaft.
  4. Remove the blower motor flange attaching screws located inside the blower housing.
  5. Pull the blower motor out from the blower housing (heater case) and disconnect the blower motor wires from the motor.

To install:
  1. Connect the wires to the blower motor and position the motor in the blower housing.
  2. Install the blower motor attaching screws.
  3. Position the blower wheel on the motor shaft and install the hub clamp spring.
  4. Install the air inlet duct assembly and the right ventilator assembly.
  5. Connect negative battery cab
  6. Check the system for proper operation.

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Oct 21, 2010 | 1988 Ford Tempo

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..."

Jun 05, 2010 | 2001 Dodge Caravan

1 Answer

Ford explorer heater fan not working


If this occurs in all positions, check fuse, check for power at the fan motor, if power in all positions replace motor. if no power at fan and fuse is good, check blower motor resistor and blower motor control switch. Replace as required

Oct 10, 2009 | 1999 Ford Explorer

2 Answers

Blower fan resistor module replaced, worked for 2 days quit again


HIGH RESISTANCE IN THE BLOWER MOTOR CAN CAUSE YOUR PROBLEM, OR A BAD RESISTOR.
THERE IS NO REAL GOOD WAY TO CHECK THE RESISTANCE OF THE BLOWER MOTOR.

Jul 16, 2009 | 2005 Chevrolet Malibu

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