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High blower fan stopped working - now only goes up to "4", not "5".

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BAD RELAY FOR HI FAN AND NEED TO CHECK S/W TO FOR BAD SPOTS.

Posted on Jun 28, 2009

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01 grand.prix ac fan switch only works on high. has a duel temp controller when you turn fan off the only way fan comes back on is to move the temp controller levers


Hi!!
When the Blower Motor Resistor (controls blower speeds) goes bad, the blower motor works only on HIGH SPEED. REPLACE IT.
BLOWER MOTOR RESISTOR Removal & Installation
  • Disconnect negative battery cable.
  • Remove right lower instrument panel insulator panel.
  • Disconnect blower resistor connector located behind right side of dash.
  • Remove blower resistor screws and blower resistor.
To install, reverse removal procedure
Good Luck!! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa!!

Feb 18, 2011 | 2001 Pontiac Grand Prix

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Heater blower stopped working?


Hello,
You may want to try your fan on all speeds. If it will work on high, you have a bad resistor for the fan motor. ( high speed doesn't go through the resistor ).
If it doesn't work on any speed, I would check the following;
1. Make sure the fuse isn't blown for the fan blower motor.
2. Check, or have checked the wires between the fan control switch and the fan blower motor.
3. Have the fan control switch checked.
4. Have the fan blower motor checked.

I hope this helps you.

Feb 03, 2011 | 2002 Buick Rendezvous

1 Answer

Fan motor doesn't work on 1-3 but works on 4 for the A/C and Heater. Is it a fuse or switch problem?


It's your blower motor resister. It is located on or near the blower motor. This, when it goes bad, will cause your fan to only work on high.

Sep 03, 2010 | 2005 GMC Canyon

3 Answers

I have a 2002 Elantra. Yestreday the lower fan speeds on the air conditioner fan stopped working (positions 1,2,3). The High speed (position 4) works. Any ideas how to correct?


The blower motor resistors or fan switch itself are defective.
High speed has no resistors B+ goes straight to blower motor.

Jun 03, 2010 | 2000 Hyundai Elantra

1 Answer

Fan blower stopped working


Hi Retta_roche,
This circuit is controlled through the switch. In the high position,it by-passes the blower resistor.So if the blower is off in the high position, and the fuse is good, you need to check the switch,blower motor or the wiring.Since the switch physically feels different,start there. Pull the switch and ground pin #4 blk/org wire with the key on. If the fan works,the switch is bad. You need to check the connector at the blower motor for evidence of a burn. If you find the connector burned,you will need to replace the motor and the connector. I am sending the wiring diagram to help you. If you need anything else,drop me a line. Thanks,Chuck d442985.gif

May 16, 2010 | 2000 Ford Focus

1 Answer

The fan in my truck only turns on on high speed.


A bad blower motor resistor will cause it. It is located ny the blower motor p.s. below dash.

Sep 28, 2009 | 2000 Chevrolet Silverado

2 Answers

A/c fan only works on the highest setting...not the lower ones


A/C fans only really have (2) speeds. (0)Off... and (4)On. Settings 1,2,and 3 are governed by a series of two resistors which in combinations (one, the other...then both) can limit the speed of the fan. When the circuit with these resistors goes bad, the middle speeds of your fan will cease to work. Since the highest setting is unresisted it will never stop working... unless your fan fails.
The solution is economical as these are simple inexpensive parts. For simplicity, the panel with the resistors is typically located in the dash, right behind the speed selector knob. It may be an integral component with the knob assembly depending on your manufacturer. Replace the assembly, or simply the resistors if you are lucky. On the bright note, it doesn't sound like you need to mess with your blower moter... its fine.

Cheers, unclouded.

Jul 07, 2009 | 2002 Chevrolet Tahoe

2 Answers

Blower fan has stopped working except on high


The motor still works. A DC motor is speed controlled with a resistor. Luckily, the resistors that do this are mounted on the motor housing. See the following link. The resistor pack is quoted as costing about $10.
http://www.automotivehelper.com/topic294308.htm
Steve

Jun 23, 2009 | 2006 Chrysler Sebring

1 Answer

2005 yukon blower fan works intermittently


The speed switch for your fan is probably bad, GM is bad for this. When you turn your fan on, slowly go from low to high to see if there is a difference in each. The high normally goes first, then the low, followed by the two other ones. I hope this helps.

Jun 21, 2009 | 2004 Chevrolet Tahoe

2 Answers

Camry 1991 4 cyl.LE.Blower fan in dashboard stopped working


heater fan speed switch located in heater box by passengers feet up in heater box one plug on it cant miss two screws hold it in!!!!

Dec 27, 2008 | 1995 Toyota Camry

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