There is a calibration procedure for the controllers that you might have to go through so the AC control module will learn the upper/lower limits of the controls. I couldn't find it on line, but a quick call to their tech line will get you the info you need. Basically, you have to ground the gray wire (by the relays) in a certain sequence while moving the controller knobs. Only takes about a minute to do.
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Chris
1968 Camaro SS
LS3/T56
Full of DSE and Holley parts
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