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Well, my AC doesn't respond to anything. I disassembled the center console and then switched out the entire switch module. It still doesn't work.... and if i jiggle the wire that's connected in back (theres two, its the one on the left) it starts to choose its own settings by itself. It's really bad because the AC is stuck on, and it isnt exactly the warmest time of the year. I also noticed that at night, the climate control cluster doesn't light up except for on the right side where the fan speed is. I'm assuming it's all from that damned left connector. What is wrong with it? Anyone know what I can do? Wiggling around the cord really doesnt do much, and I don't want to take apart the dash for the life of me.
 

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The CCU from a 123, they look the same from the outside, has four bulbs One each for the temp wheel, the fan switch, and two for the other buttons.
 
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