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snivijamie 02-03-2012 03:54 PM

02 Focus, heater does not work at all
Hi all,

I came across this site a few days ago when I decided to tackle the task of getting my wife's heater to work again. I followed the steps to replace the blower motor resistor, thinking that would likely be the cause...but alas, I was wrong!

In the beginning the fan/heat would only work on the number 4 setting but over time it has stopped working completely. I replaced the resistor this morning with no luck of getting it back on. I then took out the radio unit and unplugged the harness from the back of the dial switch to test if it was getting power. No power at all. Everything else in the cluster seems to be getting power fine except the switch that actually turns the heat/fan on and off. From there I went under the hood to check the fuse which is fine, no signs of being blown or faulty.

So now I'm wondering what to do next. Could there be a short in the wires or might it be something else? I'm not much of a car guy and can only accomplish these fixes with nice detailed instructions as you have all provided in the past. Can someone try to take a stab at pointing me in the right direction? It's getting awfully cold to be driving in New England without any heat...the temp this morning was 20 degrees...much too cold to have our kids in the car and take them to/from school.

Any help would be greatly appreciated! Thanks in advance!!!


m626er 02-03-2012 06:12 PM

what you may have to do is follow the wires to the blower motor, with that if there is no short you may have to replace the whole blower motor.

MattB488 01-26-2013 12:08 AM

This is really old I see, but your switch will not have power since it is on the ground side of the circuit.

sailor 01-26-2013 12:28 AM

MattB488 - Not sure how you dug up this old one, but your answer is exactly what I was thinking when I started to read it....

MattB488 01-29-2013 09:59 PM

I was having problems with my heater and stumbled upon the solution and then I searched and posted to try and save others frustration in the future. I spent hours on end trying to figure it out.

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