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I have a 91 legacy the fan does not work i have replaced head unit. i have taken out the blower motor and tested it and it works Here is the kicker, when i drive it does not come on but if i drive the car for over half an hour it kicks on

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Check or have checked the blower motor resistor.

Posted on Dec 11, 2008

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2010 DODGE caravan a/c blower fan inop have replaced reistor and control head rear fan works have checked all relays and fuses


Hi Jim, I will try my best to help you. First off, let see what we are losing at the blower motor. Three things I want you to do. #1-With a multi-meter check the power side at the blower motor connector and see if you have a full 12 volts. #2-With a test light hooked to the battery positive terminal, check the ground side at the blower motor connector to see if you have a good ground, the test light should be good and bright. #3-With the multi-meter set on ohm's check across the actual blower motor connector a resistance reading of up too 7 ohms is OK, but if you have a reading above like 14 to 22 ohms then replace the motor. Hope this helps and have an awesome day Jim!

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I have a 91 toyota cressida the heat only blows hot when car is in motion what could be my problem please help its cold


Your blower motor may not be functioning. When you turn the interior fan on with the car at a standstill, then does it work?
Test for power to the unit. If power is present, then replace the blower motor.
If power is not present, then check the blower motor control switch (fan switch).

Nov 12, 2012 | Cars & Trucks

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I have a 91 c2500 that wont blow heat or ac. The head unit lights up and says the fan is on but no air flow/


It may be a disconnected or blocked vacuum hose first place to check is on your radiator. The heater hose is the 2nd hose just below the radiator cap. Then follow it's path to the heater core to assure it is connected, all while checking for leaks or possible blockage.

Nov 05, 2011 | 1991 Chevrolet C2500

1 Answer

The heater fan blower motor isn't working and fuses are good but someone had taken off a add on security sys.t also have no power at the fan speed switch


First check the blower motor relay swop one in the fuse box with the same number on it or listen for a click when you turn the switch on if you here a click then its good.So if the relay is good then check the connection on the blower motor resistor by performing the wiggle test or replace the blower motor resistor.These resistors are known for over heating causing this problem.

Nov 01, 2011 | 1991 Honda Accord

1 Answer

My legacy keeps overheating it has new thermostat new radiator and new head gasket what could it be


Hello, if this car has an electric fan for cooling the fan may not be running. Also many of these fans have more than 1 speed and usually the high speed is always on for an air conditioner.

I am not familiar with your brand, but there are temperature relays to trigger the fan. With the work done on this motor you must have disconnected some wiring. If you have a water temperature sender make sure you are using the wiring for the cooling fan and not the dash gauge. There are usually 2 water sensors.

I would check with a parts store to see if they are different sending units. Test the fan motor. It is possible that the fan was the major problem to begin with.

Feb 09, 2011 | 1997 Subaru Legacy

2 Answers

I just replaced the blower motor in my 91 G20 van, but it is still not working, what do I check next?


check the fusable link to the lead hot wire to the blower motor. it is embedded in the wiring and maybe blown

Feb 25, 2010 | 1982 Chevrolet G20

1 Answer

1995 subaru legercy heater


there is a resistor located under the dash which controls the settings for the fan if this has overloaded or blown up the blower motor wont work

Jul 19, 2009 | 1995 Subaru Legacy

1 Answer

Blower fan does not work on low or medium only on high. Lx model has auto climate control. wondering if it is blower motor, blower resister, or control (bad contacts). All buttons work on climate control....


Sounds like the problem is more with the blower motor assembly itself. The blower motor have micro-proccers built itnto them which comunicate with the control heads and do the actual regulating of the fan motor. Dealers have computers with diagnostic software which allows them to monitor what is happening in the eletronic controls of the vehicle. Electronic diagnostics without the diagnostic software makes it very diffecult to pinpoint the actual item causing the problem.

Jan 01, 2009 | Hyundai Motor 2003 Sonata

1 Answer

Heater Fan/Blower does not work.


what you need is a blower motor resistot

Dec 04, 2008 | 1997 Isuzu Rodeo

1 Answer

Fan blower stopped working


I had the same problem and Ia m working to resolve it.
You need to remove the blover under the glove box it's very easy to remove. 1) remove the glove box, 2) the metalic suport that it's hold by 4 screws and finally remove the 3 screws that holds the blower. Take it off and remove the coverplate of the motor ( 2 screws) and
check the brushes. In my case they were worn out. So you need to buy a new motor with the blower aprox $50 or try to replace the brushes.

Oct 17, 2008 | 1994 Subaru Legacy Outdoor

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