A/C compressor not engaging when switched to MAX

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jscott

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Still trying to get my ac working well.  I noticed today the compressor was engaging when on fresh but when switched to max it did not.  What shall I look at first to fix this?

 
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Hemikiller

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The AC clutch is engaged with a microswitch on the dash control assembly. If that switch is out of adjustment, it may disengage when you move the lever to MAX. There is also a deicing switch in the same circuit, that's mounted to the AC box and has a sensing bulb in the evaporator. 

 
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jscott

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The AC clutch is engaged with a microswitch on the dash control assembly. If that switch is out of adjustment, it may disengage when you move the lever to MAX.
That would be in this assembly, correct?   

ac panel.jpg

 

jscott

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You are correct!  I just finished installing this rebuilt unit today and now all controls work like they should.  Max air now engages and the 2nd fan speed, which I did not have with my old unit, also is working.  Now to pack up my old one and send it back for the core money.   https://www.ebay.com/itm/164701938353

 
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