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Blower control switch

Fan not blowing heat, how do I install a blower control switch?

Posted by Anonymous on

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Posted on Jan 02, 2017

wracefans24
  • 1985 Answers

SOURCE: front blower short power to ground causing 12+

have you replaced the blower motor resistor yet,it is a printed circuit that has a floating ground.it is where the blower motor wires plug in to.if you unhook the motor wires and use your ground and hot wire on the motor it should test normal,

Posted on Jan 16, 2010

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3 Answers

I have new blower motor. it dosen't stop running


Could be a bad blower motor resistor,mounted by the blower.

Sep 28, 2016 | 2002 Dodge Ram Pickup 1500

1 Answer

HEATER NOT WORKING


The complete removal is shown in this youtube video.
http://www.youtube.com/watch?v=vLdMYx6fhic

So you're getting heat but no blower to circulate the heat, right? It's also possible the fuze is blown to the blower motor, the switch that adjusts the speed of the motor could be damaged, or its resistors that limit voltage, to control speed could be "open" (burned up). I would check many of those before replacing the fan..

The heat is controlled by a valve that allows water to circulate through the heater core. If the fan is blowing cold air, check the valve, or blow water back and forth through the heater core to clean it out.

Jan 05, 2014 | 2000 Chevrolet Malibu

1 Answer

Hi , I have a 2009 Ford E250 van and all of a sudden the switch that controls the blower motor doesnt activate the blower. I have heat if the vehicle is moving , but its not blowing heat from the vent


There is a fuse, may not be solely for the blower but it has to be fuseed! Anyway I would suggest checking all fuse's both inside and outside boxes first then locate blower relay swoop with the one next to it and test blower if its stil not working its the fan speed switch! They gave trouble on previous models! ! You'd be very unlucky for a 2009 fan motor to fail...good luck.

Jan 22, 2013 | Cars & Trucks

1 Answer

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

1 Answer

Does not.over heat runs great blower blows fine, fan speed switch is fried.so.it only runs on high but every now.and again it'll blow heat then strait back to cold. The temp on the car.stays perfectly...


First the switch this may not be bad switch it sounds like a bad blower resistor, this is what controls the speeds, the loss of heat may be low coolant level or a bad blend door actuator, depending on the heat/ac system in the van it may also be a bad vacuum leak in the engine compartment, some models use actuators to control system and some use vacuum, if the system looses vacuum the door will close until vacuum is restored, hope this helps.

Sep 12, 2010 | 2001 Nissan Quest

1 Answer

FAN BLOWER (FOR A/C AND HEAT) ONLY BLOWS ON THE HIGHEST SETTING. IS THERE A FAN SPEED CONTROL OR RELAY THAT CAN BE REPLACED, OR IS IT SOMETHING ELSE?


Hello leebarker
The blower moter switch or the blower moter controler can cause this
problem. Remove the plug from the switch, use a 12v test light to locate
the 12v power wire in the plug. Next with a small jumper wire bring power from the 12v contact to the low and medium speed contacts on
the plug if the blower changes speed replace the switch if it still only
has high replace the controler. The blower controler is located on the
passenger side end of the heat-a/c box near the blower moter.
By the way the key must be in the on position for this test.
I hope this helps. Good luck.

Jul 10, 2010 | 2002 Jeep Grand Cherokee

2 Answers

A/c heater won't blow... Blower works even replaced with new blower but still won't blow... Is there a relay to replace? The fuse for a/c is good


did you check to see if the a/c belt is still on the a/c puller ? if so then try a flush of all hoses.

Oct 25, 2009 | 1998 GMC Blazer

2 Answers

No air or heat blowing from vents


if the fan is blowing this could be a problem with the climate controll switch that changes the direction of air from floor to defrost to vents, some are vacuum controlled through a vacuum operated mechanism that opens and closes a door in the vents which redirects the air to different places.

Mar 24, 2009 | 1999 Volvo S80

1 Answer

Heat/AC blower not blowing air


heck the blower fan speed control resistor, it is located near the blower motor, they are cheap to replace and the most common cause of this issue

Nov 24, 2008 | 2002 Pontiac Bonneville

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