2001 Ford F150 Heater Fan Only Works On High

All you need to do is to replace the resistor ford part number.

2001 ford f150 heater fan only works on high.

The fix is to replace it. I have a 2001 f150 my fan speed control only works on high i have replaced the switch and its still doing the same. Call the ford dealer get the part like 10. I have replaced my resistor and that did not correct the problem.

At the time i thought the problem must be something else then since it still worked the same as with the old resistor. 4l3z 19a706 aa or napa part number. It mounts under the dash on the firewall on the passenger side. Most commonly the fan will only run on the highest setting.

At the time i thought the problem must be something else then since it still worked the same as with the old resistor. Dude the reason the fan only works on high is because the resistor is bad. Normally when a heater blower motor only works on the high setting it is caused by a defective blower motor resistor pack. But i have since learned that the resistor is bypassed on the high setting.

If your blower only operates on its highest speed chances are you have the series type of blower motor resistor. In very rare instances it can also be a. This happens very often to ford pickup truck or suv. The resistor is normally found behind the glove box next to the blower motor.

I have replaced my resistor and that did not correct the problem. This is the most common failure mode. I have a 2010 ford f150 over the past year the a c heater blower has gone from working on all levels 1 thru 4 to just working on high. What answered by a verified ford mechanic we use cookies to give you the best possible experience on our website.

Correcting the problem is straight forward and requires replacement of the small resistor. This is a well documented problem and is caused by a failing blower motor resistor. If your 1997 2003 ford f 150 a c heater fan only blows on high or doesn t blow at the lower speeds you most likely have a failed blower motor resistor. But i have since learned that the resistor is bypassed on the high setting.

I have a 2010 ford f150 over the past year the a c heater blower has gone from working on all levels 1 thru 4 to just working on high.