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I have a Ford Focus & the Heater Blower is not working. I have traced this to a blown 30amp fuse, However, when replacing the fuse it blows when the Blower switch is turned on. I have changed the

I hope this is not the Blower itself as this looks a major job

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Blower motor U/S so its dash completely out ,but check the wiring as much as you can before you go any further it may be chaffed somewhere ??

Posted on Dec 10, 2014

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Ford Focus 2000. Blower not working at all. Switch burnt out and removed. Tested connections showing 12.5 volts on both terminals at blower motor. Should one be an earth?


The green with orange trace comes from fuse F64 30amp. battery junction box. The black with red trace goes to a splice , S24 . from there it changes color to black with blue trace which goes to the blower motor resistor and it also has from the splice a black with orange trace that goes to the blower switch . The switch provides the earth . On high speed the switch directs the current path to ground from the black with orange trace . All the other speeds come through the resistor to ground through the switch . At the connector for the blower switch the black wire is the ground or earth ,how ever you look at it. The switch being burnt indicates high resistance (loose connection ) maybe. Voltage drop test the electrical circuit .

Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia

Jun 26, 2017 | Ford Cars & Trucks

1 Answer

Heater defroster fan will not work in 2003 Ford


posible you have a bar blower motor

Oct 19, 2014 | 2003 Ford Focus

1 Answer

2000 Ford Focus Heater fan not turning on. Blows


Hi John,

This should be fairly simple. I have uploaded a PDF file to Filesonic.com that contains both the Power Distribution Diagram for Fuse #64 and the Heater Circuits for your 2000 Ford Focus. You can download this file for FREE at the link below. Please note that if you do not have an account with Filesonic, you can still downdload the file for free, but you must use the "Slower Download" link at the bottom of the page. You will then see a timer running in about the center of the page. Once the timer runs out, it will give you a captcha code to enter in order to start the download. This file will only be available on Filesonic for 3 days, so you might want to save a copy to your computer for future reference.

http://www.filesonic.com/file/3040758464/2000_Ford_Focus_Heater_Circuits.pdf

Once yo have the file, you can clearly see that the ONLY thing that is powered by that fuse is the blower motor. That makes this task very easy.

Most likely, the blower motor itself (or the solid state circuits built into it) are shorted. Here is how we PROVE it before going out and buy a blower motor:

1. Unplug the blower motor connector. Replace the fuse with the connector disconnected. If the fuse blows, then the GREEN/ORANGE wire between the fuse and the blower motor is shorted to ground. You will have to follow this wire from the blower motor back to the fuse block to find out where it is shorted.

2. If the fuse does not blow, then take a test light (make sure it uses an incandecent lamp - the LED type will not work for this purpose) and connect it between the GREEN/ORANGE wire (ignition switch ON) and the BLACK/RED wire at the blower motor connector. Using the blower motor speed control switch, the lamp should not light at all with the switch in the OFF position. Then it should light and get brighter with each step as you move the switch toward the HIGH position. If this all works as described, then we have just proven that all of the circuits are good and that you need to replace your blower motor.

3. If anything does not work exactly as described, tell me what it is doing that is different, and we can continue diagnosis if needed.

Hopefully, this is all the information you need, but if you do need anything else, please let me know.

Please also remember to take a moment and rate my service through the FixYa web site.

Thank you for your patronage,

-Dave (dttech)

Nov 05, 2011 | 2000 Ford Focus

1 Answer

A/C and Heater Problem


Well,you eliminated the resistor,so it probably means the blower motor has shorted out.Either that or something has gotten into the blower wheel and jammed it. If you can bypass the resistor and just put 12 volts into the motor,do it.But don't hold it long,as a direct short can cause a fire without a fuse to blow for safety.
In other words,prepare to buy a new heater blower motor. don-ohio

Nov 05, 2011 | 2000 Ford Focus

1 Answer

Ford focus 07plate Electric windows, rear wiper, washer jets,heater(blower). Just stopped working this morning?


Try checking the fuses in the fuse box under the steering column area by the drivers side front seat. The fuse that controls the functions for the back window area might be bad, blown or need replacement.

Sep 14, 2011 | 2007 Ford Focus (3 Door) Hatchback

1 Answer

The blower motor stopped working, so I replaced the 30A heater fuse which was blown. Tried the blower again, and the fuse blows within a minute. Now when I try to replace the fuse with the battery...


disconnect the blower motor. if the fuse is ok then, the blower motor is bad. if the coolant leak is on the passenger floor, you may have a heater core leaking, although you may also smell a sweet odor from it.

Dec 20, 2010 | 1994 Ford Escort

1 Answer

Why is my heater not working in my ford focus. all fuses are fine?


If it doesn't blow at all, and/or you only feel a small amount of air coming through the vents (not forced), it may be the blower motor switch.

Sounds as though the fan motor could have failed (the noise), if you have fitted a new resistor pack and the fuse is OK, probe around with a multi-meter tracing the supply (12Volts to ground) through switch to the fan. The heater/aircon blower is fuse 64 - 30amp (if I dont mistake). If the motor itself is shorting out then this would blow this fuse. Try a 12v feed direct to the motor terminal and see if it works.

Hope this helps.

Nov 30, 2010 | Ford Focus Cars & Trucks

3 Answers

Heater blower does not work on my ford focus


the heater blower on my ford focus only works on 1,2,3 it works on 4 can anyone help

Nov 26, 2009 | 2000 Ford Focus

1 Answer

1997 ford escort, heater blower and wipers don't work


Disconnect blower motor & try another fuse....if it don't blow fuse then blower motor shorting out..

Apr 06, 2009 | 1997 Ford Escort

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