1959 aftermarket air conditioning control settings

[59TBRDMAN]

I just purchased a 1959 Thunderbird with Vintage after market air conditioning. None of the three knobs on the blower unit are labeled. I know the left knob is on/off and blower speed. The middle is temp. control. I have no idea what the one on the right does. Also the previous owner had no idea how I now run the heat and defrost since the original controls were replaced and covered up by this Vintage unit. Any help please?

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[biddle]

How is anyone supposed to know what your post is about when you title it "1959"? Your post title has been revised.

 

[cokefirst]

That is an aftermarket unit made by Vintage Air. You may want to contact them and see if they can send you the operation manual for your unit.

 

[Tom Alpers]

The left knob is for Fan, the center knob controls Heat, the right knob is for AC.

 

[59TBRDMAN]

Thank you so much. How do I engage defrost or heat? There is a toggle switch on the under side of dash to the left of blower unit just below the wiper switch. Is this related to this Vintage system?