A/C fan control stopped

[cdahlen]

The control switch for the A/C, heater fan has partially stopped. The #2 position doesn't work but #3 &4 positions work. How do i fix this?

 

[Hamfisted]

Always post the year and model of your vehicle if it's not in your signature line.

It's most likely the speed control ballast there in the side of the HVAC box behind the glovebox. If you have EATC the part is Motorcraft YH1829 .

EATC Blower Speed Control Ballasts at Rock Auto













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[cdahlen]

Sorry about that, thought i put the year in. Its 2011 , xlt

 

[cdahlen]

Thanks. What does eatc mean? Also its a 2011 xlt

 

[Hamfisted]

Thanks. What does eatc mean? Also its a 2011 xlt

EATC is electronic automatic temperature control, found on the Eddie Bauer and Limited models. I believe you would just have manual temperature control "knobs" in the XLT right ? In that case your's takes a slightly different ballast resistor, but it's still stuck in the side of the box behind the glovebox.


Motorcraft YH1715 Blower Ballast Speed Control Module at Rock Auto

 

[Yupster Dog]

How do i fix this?

Check the plug and wire harness for melted parts. Famous for needing the wire harness as well.
So if the plug will not come out it has melted together.

 

[cdahlen]

Thanks, yes i dont have the auto.

 

[Will Williams]

I'm having AC issues with my 2007. How did you test for this?

 

[cdahlen]

I'm having AC issues with my 2007. How did you test for this?

If your asking me,only the fan speed control #2 stopped working,

 

[99WhiteC5Coupe]

Check the plug and wire harness for melted parts. Famous for needing the wire harness as well.
So if the plug will not come out it has melted together.

https://static.nhtsa.gov/odi/tsbs/2019/MC-10163573-0001.pdf