Question about 2006 Ford Ranger

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98 Ranger heater fan only works on High. Is it the switch? What is the complexity of repair?

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  • Ford Master
  • 635 Answers

It's the heater blower motor resistor change it and you should be good as new.

Posted on Oct 14, 2013


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Posted on Jan 02, 2017

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SOURCE: Fan switch only works on high

Hi! Look on the heater housing, you will find a terminal with a plug. Remove the plug, then the 2 screws, pull the unit out and replace it! Everything will work perfect! Frankster016

Posted on Nov 22, 2008

  • 2 Answers

SOURCE: '98 Ford Ranger fan function switch not working

I already posted my solution.

Posted on Jan 12, 2009

  • 7353 Answers

SOURCE: easy way to replace heater core on an 98 ford ranger

the dash must come out.

Posted on Oct 11, 2009

  • 76861 Answers

SOURCE: ac/ heater fan only works on #4 high . is it the

u will need to replace the blower motor resistor, it is located next to the blower motor under the hood on the passenger side

Posted on Nov 02, 2009

  • 258 Answers

SOURCE: 1996 Ranger 2wd interior fan blows hi spd only

Possible solution is to check the fan speed switch. These go bad and won't change the speed/ or function in the lower speeds.

Posted on Dec 29, 2009

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Heater works on high but not low or medium

This is called a fan speed sensor speed switch it is located on the passenger side foot area.You will need a proper size socket and flashlight it is in the heater box just above the feet speeds should be restored.are 2two inches long one inch wide remove the screws and the switch unplug it now replace it with your new one don't forget to plug it in now all your heater blower

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Why does my heater in my 2000 ford ranger only work on the high setting?

I assume that you are talking about the heater fan?

Your heater FAN has at least 3 settings, and for our purposes we will assume low,med and high

Low and medium run through a resistor High is wired direct
Either your resistor is bad or your fan is
I know it seems wrong that the fan could be shot but it could be pulling so many amps that it won't work in any other mode than high
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Apr 06, 2010 | 1998 Ford Ranger SuperCab

1 Answer

Windshield wipers only work on high on 98 ford ranger

Try replacing relay for wiper with another same relay from fuse block from another working accessory.Had same issue on friends Ford Ranger. Moved relays and cleaned harness connection at fuse block. Works fine.

Mar 14, 2010 | 1998 Ford Ranger SuperCab

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Fuse diagram for a 98' E-150 van specifically for heater fan

owner manual will tell you fuse layout. If you have only high speed, you have a bad resister. 4 wires.

Resistor —Heater Blower Motor Switch Removal
  1. Remove the battery (10655) ; refer to Section 414-01 .
  1. Remove the battery tray.
    1. Remove the screws.
    1. Remove the battery tray.
  1. Disconnect the heater blower motor switch resistor connector.
  1. Remove the heater blower motor switch resistor (18591).
    1. Remove the two screws.
    1. Remove the heater blower motor switch resistor.


Feb 26, 2010 | 1998 Ford Econoline

1 Answer

1996 Ranger 2wd interior fan blows hi spd only

Possible solution is to check the fan speed switch. These go bad and won't change the speed/ or function in the lower speeds.

Dec 29, 2009 | 1996 Ford Ranger SuperCab

1 Answer

Fan motor switch on 98 jeep cherokee only works on high

In many cases this is the result of the blower motor resistor having gone bad. They are often located in the housing that holds the blower motor but I cannot say 100% for sure with the Jeep Cherokee.

Dec 30, 2008 | 1998 Jeep Cherokee

1 Answer

Heater fan only works on high speed

it's much more likely that the resistor for the switch is bad. I don't know where it is on that truck, try getting a service manual for ~ $15 before you spend too much time trying to find it.

Jul 21, 2008 | 1994 Ford Ranger Supercab

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