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1999 ford f250 blower fan not working no heat

Replaced blower motor, resister, all fuses and relay. still no blower motor operation

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  • Cars & Trucks Master
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Do you have power and ground at the motor ?
If not, you would need to get a wiring diagram to trace the circuit back to the source. You did not mention the blower switch on the dash.
I am assuming you mean the blower motor is not running, or do you mean the motor is running but no air is coming out of the vents ?

Posted on Jan 08, 2013

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Posted on Jan 02, 2017

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  • 261 Answers

SOURCE: Heater Fan/Blower does not work.

what you need is a blower motor resistot

Posted on Dec 04, 2008

  • 5 Answers

SOURCE: 1999 KIA Sportage, 2WD. No heat, fan, A/C

did you check the switch to the control cluster ? incase you dont know what im talkin about the switch that turns it on and off and adjusts speed? if its not that then do you have a blown fuse becouse the blower moter has an independant fuse some times in the fuse box there may be 2 1 in the car and the other under the hood try that let me know if its fixed

Posted on Dec 13, 2008

  • 8 Answers

SOURCE: 2000 ford explorer fan blower only works intermittently

On ford vehicles the blower motor resistors are the most common problem when this happens.

Posted on Dec 21, 2008

  • 7 Answers

SOURCE: Blower motor stopped working.

ok to the left of the steering wheel by brake pedal remove fuse panel and look for no. 3 location blower relay after that your going to look for no. 8 blower fuse 40amps after that look for no. 28 its a 10amp fuse this is blower coil relay but if you have puddle lights that fuse is good also runs them !! Hope this helps you out !! Rick from nwi auto acdelco & ford parts dealer !

Posted on Mar 04, 2009

  • 7353 Answers

SOURCE: Blower motor on 96 Isuzu Rodeo does not blow on

if fuses are good, check for power at blower motor, when truck is running and a/c on. the resistor and the switch provide ground, so the blue/white wire should have power, and the blue/black wire should have NO power, if it does have power, then most likely the resistor is bad. if it has no power and the motor doesnt run, the motor is bad.

Posted on Oct 20, 2009

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1 Answer

My 1999 f250 blower motor only works on high


You probably need a blower motor resistor , it work's through a relay for high speed an resistors lower the speed for low , medium etc... Videos on youtube on how to test ! How to Install Replace Heater AC Fan Speed Resistor 99 07 Ford F250 F350...

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I have a 1999 buick Lasebra the heat or fan is not working what could it be


Well it could be any one of a few things ! There are two blower motor relays , two fuse's an the blower motor resistor, but wouldn't think that is the problem unless you have high speed blower operation ! But then again don't know if we are even talking about the same fan ? heater fan not cooling fan ?

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2000 Ford F250 Disel: Nothing works on the panel for the a/c heater. The fan does nothing when you change speed there is nothing that comes out, there isnt any heat or cool, and when you turn the dial...


Pull the wires from the blower. Throw 12 volts and a ground to it(red is B+). If it comes on, it is good. Replace the controller. If it was the relay, some sort of blower speed would have happened. There are other wires to check, but you would have to loose other things to go this direction. Like accessory and ignition.

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A/c relay location for 1999 ford exployer


Ac/clutch relay should b under hood
I'm assuming u mean blower motor resister behind glove box area..fan speed has no relay/fuse..just control unit/blend doors/blower motor basically

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1999 ford taurus fan blower not working if it is the fuse where on the inside is it located?


The first thing you want to do is take a test light and probe the wires right at the blower motor and make sure you are getting power there. If you are not getting power there then its possibly a relay or fuse but if you do get power at blower motor then replace motor and presto you have heat and air.

Jan 28, 2011 | 1999 Ford Taurus

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No air blowing 1998 Ford E350


blower motor location is in the heater box down by the passengers feet the fan relay in out under the hood in the power fuse box check this first
check to see if the blower motor turns you can do this by removing the three screws the motor and squiral cage will come out spin it if it moves freely putit back replace the switch assembly

Mar 03, 2010 | 2002 Ford E350

1 Answer

Blower motor doesnt work at all..getting no pwer to the blower motor or switch


Check the fuse for the blower motor,and the relay.The relay maybe in with the resister on this model,it is located near the blower motor.

Feb 09, 2010 | 2004 Ford F250

1 Answer

Blower Motor doesn't work in Heat or AC in a 1999 Ford F250 Super Duty.


If it is not workring at all, including all speeds then i would say blower motor is broke and needs replaced. But first check your fuse panel for a blown fues. It is located under your steering column. Your book will tell you which fuse runs it. Then try unhooking the wire harness from the blower motor so that the motor is not connected to anything. Run a groung wire to the ground side and a hot 12 Positive wire to the other wire and see if it comes on. If it does not then replace it. If it does then you need to look elsewhere.... IE switch, resistor pack relay, or even possibly wiring.

Jan 23, 2010 | 1999 Ford F250 Regular Cab

1 Answer

My Blower motor for my heater on a 99 ford escort is not working.Is it the motor or resister that is gone??the fuses look ok where is the resister located can you send a diagram


look in passenger foot well on blower case for 4 wire connector.



Behind right side of I/P, A/C-heater plenum


resister bad would still allow high speed. may be blower motor.

  • The blower motor does not operate/does not operate correctly
  • Open fuse.
  • Tripped circuit breaker.
  • Circuitry open/shorted.
  • Heater blower motor switch (18578).
  • Heater blower motor switch resistor (18591).
  • Blower motor relay.
  • Blower motor.




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Jan 16, 2010 | 1999 Ford Escort

1 Answer

Air and heat not blowing air through vents


Either Your fan switch is burned out or you blower motor is no good, your blower motor is on the passenger side under the dash. Before you replace any parts you need to check your fuses and relays under your hood and in the car. Usually if your fan switch goes bad you will still get some air blowing thru the vents, so my guess would be blower motor, If its not a blown fuse or relay.

May 28, 2009 | 1999 Cadillac DeVille

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