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Why the blower fan motor has sis wires plz explain me

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If you meant 'six' wires... then a small course on motor design would be helpful. Everything needs at least 2 wires to run. Sometimes more are required if several speeds are needed. Also 2 extra wires are needed if a start winding is on only briefly while starting. Some motors require an external capacitor to change the capacitive reactance so as to offset the phase to help create a magnetic push between a stator and a rotor. I could explain a half dozen major motor design theories to you but perhaps another time.

Posted on Oct 16, 2013

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Posted on Jan 02, 2017

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Hello my ba xr8 2003 sedan a/c and heater fan is not working all fuses are good. I do hear the different air positions work doe when I push the button what is wrong can someone help plz


Faulty blower motor or relay. They also have a resister that can go bad, usually mounted close to the blower motor hooke up by wires and connector, should be able to trace wires from motor to resister fairly easy.

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I started my forced air furnace yesterday and it worked fine. Today the burner kicks on when the thermostat calls for it, but this morning the burner kicks on, but the fan won't start.


Hello there,
If the burner kicks on but the fan is not starting, then it simply means there is a problem with the blower motor. The problem most likely is that the motor is dusty and need to be cleaned out.
Once the motor sis cleaned out, have it greased and installed back and ensure the wiring is intact, then turn on the furnace and the fan will start to foll. If that does not solve the problem, then it means there is a problem with the blower motor and it meeds to be replaced.
All the best Elect_Comp

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A/c switch or relay on 2000 cherokee jeep My level on ac unit only works on number 4. Went to U Pull It got another unit and it only works on number. My next step is the relay plug but have no clue...


it sounds like the blower resistor/module is bad. It is located either behind the glove box or under the passenger side of the dash near the blower motor.

Manual climate control uses a blower resistor to control fan speed. it will have 5 wires going to it. A tan. lt green, lt blue, an 2 black with tan wires.

Automatic climate control will have three wires going to the blower motor module.

Heres a how to tip that may help explain what is going on
http://www.fixya.com/cars/r6571076-blower_motor_not_work

Jul 27, 2011 | 1999 Jeep Grand Cherokee

2 Answers

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

Blower motor won't work, even with new motor.


Hello Travis.
If yours is dual zone, I believe the resistor (blower control module) is a solid state. Did you check it using the fan speed selector and test the voltage output on the purple wire?
The gray black wire going into the resistor is a variable voltage output from the heater control panel. This signal is amplified by the resistor/blower control module.
The black wire out of the resistor also needs proper good ground.
There is a fuse in the underhood relay/fuse panel that feedback from the resistor output to the blower (purple wire) is also fed back to the heater control panel. Verify this fuse is good.

When blower motors go bad they will often absorb a lot of electrical current. This current has to go through the blower control/resistor and will often burn them out due to the heat developed from the high current load.
These resistors are also mounted in the airflow out of the fan motor to help cool them so if the fan is still drawing current and not blowing the resistor overloads and burns it out.
Not sure how you tested the resistor but I suspect yours is faulty.
If you would like more advise let me know.

KL


Jan 04, 2010 | 1993 Buick LeSabre

1 Answer

2001 Kia sportage blower motor resistor has been replaced twice and now failed for the third time. Blower motor will only work on high speed. How do I trouble shoot root cause. - Blower motor has also been...


hi there i was wonder can anyone help me i have replaced my heater blower resister has been replaced and now has stoped working again what is the problem can someone plz help me. the fan is working fine i ran a ground wire and it works but only on high and will not turn off

Dec 29, 2009 | Kia Sportage LX Cars & Trucks

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Air conditioner/heater blower fan on 1997 Buick Riviera not working. Regardless of whether it's on ''Auto'', Vent, Recirc, or Front Defrost button setting, even though I can see the fan level meter going...


it will be hard to diagnose with out having my hands on it but try this.

this vehicle is known for blower motor resistor failure.

under the dash on the passenger side next to the blower motor there is a resistor attatched to the blower motor case it will have a single plug with 5 or 6 wires in it, they are normally within a couple of inches of the blower motor, remove this resistor and look at closely for any signs of burning this is a common problem, you can buy one at any parts house, do not operate the motor with the resistor removed from its mounting hole or you will damage it.

if the resistor looks good than purchase you a test light and drop me a line and i will explain how to test the entire system its not hard to do.

wesleyschacht@hotmail.com

Jun 14, 2009 | 1997 Buick Riviera

1 Answer

1997 k-1500 4x4 silveraldo blower motor will not shut off


have you checked your upper and lower ball joints

Jan 24, 2009 | 1997 Chevrolet K1500

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