Question about 2010 Ford F-150

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Blower motor The heater blower runs continuouly on my 2010 Ford F150 Lariet. I think it's the blower motor resistor but I can't find it's location can you help?

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Ford has a habit of putting the resistor inside a vent air supply pipe, so it gets an airflow, near to the heater box, left hand side under dash.

Posted on Dec 31, 2013

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The parts store can tell you depending on make and model..

Posted on Dec 31, 2013


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
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click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

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SOURCE: location of blower motor resistor

in china

Posted on Jun 16, 2008

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SOURCE: Heater fan only works on high speed 4.

sounds like the switch is bad. Test the power coming in to the connector and use jumpers to get the fan to operate at all 4 speeds. if it works then it the switch.

Posted on Nov 22, 2008

  • 235 Answers

SOURCE: where is the resistor for

under the dash on passenger side. take the under dash pannel off and then you should be able to see it. its put in a hole in the heater/ blower motor case and has a 4 wire connector, unplug connector and then remove resistor.the wire colors should be 2 black and blue wires 1 black and yellow and 1 black.

Posted on Jan 14, 2009

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SOURCE: Blower fan runs high only on 2006 Ford Explorer

if you have manual control climate control then the system has a blower motor resistor . if you have automatic climate control then the system has a blower motor speed control. in eather case the part is under the dash in the heater box. depending on the system you have, buy the part and then look under the dash for like part, you will half to remove the under dash panels to be able to see. the part will be on the heater box somewhare.

Posted on Jan 22, 2009

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SOURCE: where is the blower motor resistor located on a

On Your Truck Im Not 100% Sure But Most Are In The Heater bow Right Behind The Glove Box

Posted on Aug 17, 2009

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2 Answers

Where is the resister located

on the firewall close to the blower motor usually

Feb 29, 2016 | 2010 Ford F-150

1 Answer

The heater ac blower motor only runs on #4 setting on dial. will not run on the slower settings. How do I fix this problem? this is an F150 4X4 2004 model. Fuses are good. It just started doing...

sknepp777, It sounds like you have a bad blower motor resistor. Look on the airbox located in the engine compartment and find a wire harness that has four or five wires. This is your resistor and is held in by two small screws. The blower motor will work only on high speed when the resistor is bad as a default. Replace the resistor and this will solve your problem. Good luck with this.

Jun 13, 2011 | 2004 Ford F150

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How do you replace the blower motor speed control resistor on a 1998 F-150 Ford?

located on passenger side of truck in cab under glove compartment.remove plug to resistor. remove two screws that secure resistor to heater housing. remove resistor, rreplace with new resistor. inser screws and replace plug also make sure fuse for heater is ok.

Jun 13, 2010 | 1998 Ford F150 Regular Cab

2 Answers

I am looking to locate heater fan resistor plug under neath hood heater fan is not working

The blower motor resistor is in the blower itself.

Here are some pictures to help you locate it. These are taken looking under the glove box
The blower motor resistor is to the left of the pigtail shown in the picture. Check the end of that wiring harness also, it could be damaged as well

Jan 09, 2010 | 2003 Ford F150 Regular Cab

1 Answer

My heater is not working 1985 f150 4.9l

try the blower motor resistor thats a common problem, hope this helps.

Nov 28, 2009 | 1985 Ford F150

1 Answer

2003 Ford F150 Heater fan problem

The problem is the Blower Motor Resistor Pack is defective. Purchase the Pack so you will know what you are looking for. It can be located in a few locations. It can be behind the glove box, behind the kick panel on the passenger side, or next to the blower motor. I am almost certain yours is located behind the glove box but not 100% sure. Hope this helps you.

Nov 16, 2009 | 2003 Ford F150 Regular Cab

2 Answers

F150 1997 ford heater fan only blows on hight

Plan on finding a melted blower motor resistor. Usually when the blower goes single speed, the blower motor resistor is the cause.

You can find it on the passenger side, looking up behind the dash / Glove box area.
In this picture the passenger side kick panel ( where the inertia fuel switch is at ) is on the right hand side of the picture.

This is what it might look like when you get it out :
The blower motor only has the 1 fuse and blower motor relay on it. If it works on high, those are OK..

Parts should be less than 75.00 total from a dealer, and it is a metric socket and lay on your back on the passenger side floor repair, real easy and quick.

Nov 16, 2009 | 2004 Ford F150

3 Answers

Where is the heater blower motor resistor located on a 2000 F150 XLT, 4.6 V8

Just a picture to confirm what coly_coli posted, no new information

This is the wiring harness for the blower motor resistor, the actual resistor is mounted in the blower duct. If you follow the harness to the left ( towards the driver's side ) it is on the connector on that end.

Nov 08, 2009 | 2000 Ford F150 Flareside SuperCab

2 Answers

F150 2004 blower working only on high position.

this is because your blower motor resisters are burned out for speeds 1,2 & 3. High speed does not have a resister.

Replace the resister. If it goes a 2nd time, it is because your blower motor is failing & drawing too much current.

it is behind the glove box I think. It is in the plenum case where air blowing on it keeps it cool.

Easy repair. May need to access throught glove box which should open all the way down when you squeeze the sides in.

Go to for a discounted resister.
Please rate as solved problem if this is what you needed.

Manual Climate Control System Outputs
Blower Motor Switch Resistor
Blower Motor Resistor Coils 9ba1105.gif Blower Motor Thermal Limiter 47afe58.gif The heater blower motor switch resistor has the following features:
  • The assembly is located on the passenger side of the plenum assembly behind the glove compartment (06010).
  • Three resistance elements are mounted on the resistor board to provide four A/C blower motor speeds.
  • Depending on the heater blower motor switch position, series resistance is added or bypassed in the A/C blower motor circuit to decrease or increase A/C blower motor speed.
  • An overheating protective device (thermal limiter) will open the resistor coil circuit when the temperature reaches 121°C (250°F), interrupting the blower motor operation in all speeds except HI.
  • The thermal limiter cannot be reset and is not serviceable.

Mar 23, 2009 | 2004 Ford F150

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