Question about 1998 Ford F150 Regular Cab

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Friend has a ford f-150 fan work on defrost but other times doesnot is this s relay prob. or could there be something else , is there another relay near the fan ?

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No there is a restster near the blower motor, but if it works on other settings but not defrost this would be a vacume problem

Posted on Dec 09, 2008

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I have a 2003 Ford F-150 FX4 5.4 and the AC only blows out of the defrost and help


Dustin, Sound like vacuum loss to position switch. Defrost is the default position when vacuum is lost in vent control system. Check any and all vacuum lines and connections under hood first, especially any that run through firewall. Check the attached links,instruction and guides, Good luck
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Heater not working on 2010 f-150


If both heater hoses are hot, and the radiator is full of coolant, it may be a blend door problem under the dash.
The blend doors direct air thru the heater core and out thru the vents.
It may still be under Ford warranty.

Jan 16, 2013 | 2010 Ford F-150

1 Answer

Dodge Stratus R/T fan doesn't come on while car is running and car is getting hot.


FAN NOT WORKING


It can be issue with faulty motor or its faulty fan control relay.


Bother are to be inspected.

Test volt at fan relay and fan motor.

-------------

For more help, I suggest you to go through the troubleshooting links mentioned below:-----

Click the link below: ------

How to replace Cooling Fan on Acura Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-cooling-fan-on-acura-car.html

--------------

OBD Code P1490 low speed fan relay ckt open-short

http://schematicsdiagram.blogspot.com/2012/11/obd-code-p1490-low-speed-fan-relay-ckt.html

---------------

Engine cooling components working?

http://repairhelpcenter.blogspot.com/2011/11/engine-cooling-components-working.html

----------

How does Vehicles Engine cooling system works?

http://repairhelpcenter.blogspot.com/2011/11/how-does-vehicles-engine-cooling-system.html

---------------

Hyundai Sonata cooling fan not working

http://schematicsdiagram.blogspot.in/2012/02/hyundai-sonata-cooling-fan-not-working.html

-------------

Fuel pump relay and cooling fan relay troubleshooting on 1997 ford thunderbird?

http://repairhelpcenter.blogspot.com/2011/10/fuel-pump-relay-and-cooling-fan-relay.html

--------------

Fan belt routing diagram for 2004 Volkswagen Jetta?

http://carbeltrouting.blogspot.com/2011/12/fan-belt-routing-diagram-for-2004.html

---------

Timing belt, drive belt, serpentine belt, accessory belt, fan belt, engine belt routing diagrams for all types of car models?

http://carbeltrouting.blogspot.in/2012/02/timing-beltdrive-beltserpentine.html

-------------

A/C, heater, defroster fan, not working?

http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html

---------

Blower fan not running on Isuzu trooper?

http://technoanswers.blogspot.in/2012/02/blower-fan-not-running-on-isuzu-trooper.html

---------

How to replace blower motor fan assembly on 2000 GMC Yukon?

http://repairhelpcenter.blogspot.com/2012/01/how-to-replace-blower-motor-fan.html

----------

Heater AC or defroster fan not working on KIA?

http://technoanswers.blogspot.in/2012/02/heater-ac-or-defroster-fan-not-working.html

------------

These will help.

Thanks.

Nov 27, 2012 | Cars & Trucks

3 Answers

Fan won't work


It can be issue with faulty motor or its faulty fan control relay.
Bother are to be inspected.Test volt at fan relay and fan motor.-------------
For more help,i suggest you to go through the troubleshooting links mentioned below:-----Click the link below:------

How to replace Cooling Fan on Acura Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-cooling-fan-on-acura-car.html
--------------

OBD Code P1490 low speed fan relay ckt open-short
http://schematicsdiagram.blogspot.com/2012/11/obd-code-p1490-low-speed-fan-relay-ckt.html
---------------

Engine cooling components working?

http://repairhelpcenter.blogspot.com/2011/11/engine-cooling-components-working.html

----------

How does Vehicles Engine cooling system works?

http://repairhelpcenter.blogspot.com/2011/11/how-does-vehicles-engine-cooling-system.html

---------------

Hyundai Sonata cooling fan not working

http://schematicsdiagram.blogspot.in/2012/02/hyundai-sonata-cooling-fan-not-working.html

-------------

Fuel pump relay and cooling fan relay troubleshooting on 1997 ford thunderbird?

http://repairhelpcenter.blogspot.com/2011/10/fuel-pump-relay-and-cooling-fan-relay.html
--------------

Fan belt routing diagram for 2004 Volkswagen Jetta?

http://carbeltrouting.blogspot.com/2011/12/fan-belt-routing-diagram-for-2004.html
---------

Timing belt, drive belt, serpentine belt, accessory belt, fan belt, engine belt routing diagrams for all types of car models?

http://carbeltrouting.blogspot.in/2012/02/timing-beltdrive-beltserpentine.html
-------------

A/C, heater, defroster fan, not working?

http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html
---------

Blower fan not running on Isuzu trooper?

http://technoanswers.blogspot.in/2012/02/blower-fan-not-running-on-isuzu-trooper.html
---------

How to replace blower motor fan assembly on 2000 GMC Yukon?

http://repairhelpcenter.blogspot.com/2012/01/how-to-replace-blower-motor-fan.html
----------

Heater AC or defroster fan not working on KIA?

http://technoanswers.blogspot.in/2012/02/heater-ac-or-defroster-fan-not-working.html
------------These will help.Thanks.

Nov 27, 2012 | Cars & Trucks

1 Answer

Relay switch fan digram 1996 ford thunderbird lx v8


The relay for the radiator fan is inside a controller which is in the engine compartment. You can check online auto parts stores to get a picture of the controller. It runs around $150.

Aug 17, 2012 | 1996 Ford Thunderbird LX

2 Answers

My 1999 Cavalier overheats when you turn the defroster off. Its like the cooling fan wont kick on, and the radiator has been replaced. Could it be the computer?


mist likely you had the oil changed recently and they knocked off the wire to the sending unit that tells the fan when to come on - the fan only comes on all the time - -when the AC is on or as you state the defrost is on . I hope you have a regular mechanic as he will be a hands on friend if you ask him.

Dec 26, 2009 | 1999 Chevrolet Cavalier

1 Answer

2003 Ford Expedition XLT FX4 MAIN FAN CONTROL SWITCH


That usually means the circuit board for the fan motor is Burt out big job prob to replace dealer may be.

Jan 22, 2009 | 2003 Ford Expedition

1 Answer

F-150 fan / relay problem ,fan will wk only on defrost ?


there is not one near the fan i beleave this is not a relay you need to replace if your fan does not work you need to replace the resister whitch is a circuit board that is attached to the wire that plugs in to the blower motor

Dec 09, 2008 | 1998 Ford F150 Regular Cab

2 Answers

Ford focus 2003


well, check the fuse/relay then you will need to remove the control panel to access the switch then check the switch its self in all positions with a volt meter. if none of those things have found the prob then you prob have a bad blower motor. most likely its a fuse/relay usualy or a switch. when a motor goes it usually will still blow on high. if its out completely it ususaully smells like burnt tape.dont worry its prob something simple and cheap, ie fuse/relay. Let me know MrRodneyLong@gmail.com

Jul 13, 2008 | 1991 Ford Mustang

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